IMPROVING CARE AND PROMOTING HEALTH IN POPULATIONS: STANDARDS OFMEDICALCAREINDIABETES-2022 - OF MEDICAL CARE IN DIABETES-2022

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S8                                                                                 Diabetes Care Volume 45, Supplement 1, January 2022

                                              1. Improving Care and Promoting                                                        American Diabetes Association
                                                                                                                                     Professional Practice Committee*
                                              Health in Populations: Standards
                                              of Medical Care in Diabetes—2022
                                              Diabetes Care 2022;45:S8–S16 | https://doi.org/10.2337/dc22-S001

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1. IMPROVING CARE AND PROMOTING HEALTH

                                              The American Diabetes Association (ADA) “Standards of Medical Care in Diabetes”
                                              includes the ADA’s current clinical practice recommendations and is intended
                                              to provide the components of diabetes care, general treatment goals and guide-
                                              lines, and tools to evaluate quality of care. Members of the ADA Professional Prac-
                                              tice Committee, a multidisciplinary expert committee (https://doi.org/10.2337/
                                              dc22-SPPC), are responsible for updating the Standards of Care annually, or more
                                              frequently as warranted. For a detailed description of ADA standards, statements,
                                              and reports, as well as the evidence-grading system for ADA’s clinical practice rec-
                                              ommendations, please refer to the Standards of Care Introduction (https://doi
                                              .org/10.2337/dc22-SINT). Readers who wish to comment on the Standards of Care
                                              are invited to do so at professional.diabetes.org/SOC.

                                              DIABETES AND POPULATION HEALTH

                                               Recommendations
                                               1.1 Ensure treatment decisions are timely, rely on evidence-based guidelines,
                                                   include social community support, and are made collaboratively with
                                                   patients based on individual preferences, prognoses, comorbidities, and
                                                   informed financial considerations. B
                                               1.2 Align approaches to diabetes management with the Chronic Care Model.
                                                   This model emphasizes person-centered team care, integrated long-term
                                                   treatment approaches to diabetes and comorbidities, and ongoing collab-
                                                   orative communication and goal setting between all team members. A
                                               1.3 Care systems should facilitate team-based care, including those knowl-            *A complete list of members of the American
                                                                                                                                     Diabetes Association Professional Practice
                                                   edgeable and experienced in diabetes management as part of the team,
                                                                                                                                     Committee can be found at https://doi.org/
                                                   and utilization of patient registries, decision support tools, and commu-         10.2337/dc22-SPPC.
                                                   nity involvement to meet patient needs. B
                                                                                                                                     Suggested citation: American Diabetes Asso-
                                               1.4 Assess diabetes health care maintenance (see Table 4.1) using reliable            ciation Professional Practice Committee. 1.
                                                   and relevant data metrics to improve processes of care and health out-            Improving care and promoting health in
                                                   comes, with attention to care costs. B                                            populations: Standards of Medical Care in
                                                                                                                                     Diabetes—2022. Diabetes Care 2022;45(Suppl.
                                                                                                                                     1):S8–S16
                                              Population health is defined as “the health outcomes of a group of individuals,         © 2021 by the American Diabetes Association.
                                              including the distribution of health outcomes within the group”; these outcomes        Readers may use this article as long as the
                                              can be measured in terms of health outcomes (mortality, morbidity, health, and         work is properly cited, the use is educational
                                                                                                                                     and not for profit, and the work is not
                                              functional status), disease burden (incidence and prevalence), and behavioral and      altered. More information is available at
                                              metabolic factors (exercise, diet, A1C, etc.) (1). Clinical practice recommendations   https://diabetesjournals.org/journals/pages/
                                              for health care providers are tools that can ultimately improve health across          license.
care.diabetesjournals.org                                                            Improving Care and Promoting Health in Populations   S9

populations; however, for optimal out-        Survey (NHANES), with younger adults,         4. Clinical information systems (using
comes, diabetes care must also be             women, and non-Hispanic Black individ-           registries that can provide patient-
individualized for each patient. Thus,        uals less likely to meet treatment               specific and population-based sup-
efforts to improve population health          targets (4). Certain segments of the             port to the care team)
will require a combination of policy-         population, such as young adults and          5. Community resources and policies
level, system-level, and patient-level        patients with complex comorbidities,             (identifying or developing resources
approaches. With such an integrated           financial or other social hardships, and/         to support healthy lifestyles)
approach in mind, the American Diabe-         or limited English proficiency, face par-      6. Health systems (to create a quality-
tes Association (ADA) highlights the          ticular challenges to goal-based care            oriented culture)
importance of patient-centered care,          (5–7). Even after adjusting for these
defined as care that considers individual                                                       A 5-year effectiveness study of the
                                              patient factors, the persistent variability
patient comorbidities and prognoses; is                                                     CCM in 53,436 primary care patients
                                              in the quality of diabetes care across
respectful of and responsive to patient                                                     with type 2 diabetes suggested that the

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                                              providers and practice settings indicates
preferences, needs, and values; and                                                         use of this model of care delivery
                                              that substantial system-level improve-
ensures that patient values guide all                                                       reduced the cumulative incidence of
                                              ments are still needed.
clinical decisions (2). Furthermore, social                                                 diabetes-related complications and all-
                                                 Diabetes poses a significant financial
determinants of health (SDOH)—often                                                         cause mortality (10). Patients who were
                                              burden to individuals and society. It is      enrolled in the CCM experienced a
out of direct control of the individual       estimated that the annual cost of diag-
and potentially representing lifelong                                                       reduction in cardiovascular disease risk
                                              nosed diabetes in the U.S. in 2017 was        by 56.6%, microvascular complications
risk—contribute to medical and psycho-
                                              $327 billion, including $237 billion in       by 11.9%, and mortality by 66.1% (10).
social outcomes and must be addressed
                                              direct medical costs and $90 billion in       In addition, the same study suggested
to improve all health outcomes (3). Clin-
                                              reduced productivity. After adjusting         that health care utilization was lower in
ical practice recommendations, whether
                                              for inflation, the economic costs of dia-      the CCM group, which resulted in
based on evidence or expert opinion,
                                              betes increased by 26% from 2012 to           health care savings of $7,294 per indi-
are intended to guide an overall
                                              2017 (8). This is attributed to the           vidual over the study period (11).
approach to care. The science and art of
                                              increased prevalence of diabetes and             Redefining the roles of the health
medicine come together when the clini-
                                              the increased cost per person with dia-       care delivery team and empowering
cian makes treatment recommendations
                                              betes. Therefore, ongoing population          patient self-management are funda-
for a patient who may not meet the eli-
                                              health strategies are needed in order to      mental to the successful implementa-
gibility criteria used in the studies on
                                              reduce costs and provide optimized care.      tion of the CCM (12). Collaborative,
which guidelines are based. Recognizing
                                                                                            multidisciplinary teams are best suited
that one size does not fit all, the stand-
                                              Chronic Care Model                            to provide care for people with chronic
ards presented here provide guidance
                                              Numerous interventions to improve             conditions such as diabetes and to facili-
for when and how to adapt recommen-
                                              adherence to the recommended stand-           tate patients’ self-management (13–15).
dations for an individual. This section                                                     There are references to guide the imple-
provides guidance for providers as well       ards have been implemented. However,
                                              a major barrier to optimal care is a          mentation of the CCM into diabetes
as health systems and policy makers.                                                        care delivery, including opportunities
                                              delivery system that is often frag-
                                              mented, lacks clinical information capa-      and challenges (16).
Care Delivery Systems
The proportion of patients with diabe-        bilities, duplicates services, and is
                                                                                            Strategies for System-Level Improvement
tes who achieve recommended A1C,              poorly designed for the coordinated
                                                                                            Optimal diabetes management requires
blood pressure, and LDL cholesterol lev-      delivery of chronic care. The Chronic
                                                                                            an organized, systematic approach and
els has fluctuated in recent years (4).        Care Model (CCM) takes these factors
                                                                                            the involvement of a coordinated team
Glycemic control and control of choles-       into consideration and is an effective
                                                                                            of dedicated health care professionals
terol through dietary intake remain           framework for improving the quality of        working in an environment where patient-
challenging. In 2013–2016, 64% of             diabetes care (9).                            centered, high-quality care is a priority
adults with diagnosed diabetes met                                                          (7,17,18). While many diabetes processes
individualized A1C target levels, 70%         Six Core Elements.The CCM includes six        of care have improved nationally in the
achieved recommended blood pressure           core elements to optimize the care of         past decade, the overall quality of care
control, 57% met the LDL cholesterol          patients with chronic disease:                for patients with diabetes remains sub-
target level, and 85% were nonsmokers                                                       optimal (4). Efforts to increase the qual-
(4). Only 23% met targets for glycemic,       1. Delivery system design (moving             ity of diabetes care include providing
blood pressure, and LDL cholesterol              from a reactive to a proactive care        care that is concordant with evidence-
measures while also avoiding smoking             delivery system where planned visits       based guidelines (19); expanding the role
(4). The mean A1C nationally among               are coordinated through a team-            of teams to implement more intensive
people with diabetes increased slightly          based approach)                            disease management strategies (7,20,21);
from 7.3% in 2005–2008 to 7.5% in             2. Self-management support                    tracking medication-taking behavior at a
2013–2016 based on the National               3. Decision support (basing care on evi-      systems level (22); redesigning the organi-
Health and Nutrition Examination                 dence-based, effective care guidelines)    zation of the care process (23);
S10   Improving Care and Promoting Health in Populations                                    Diabetes Care Volume 45, Supplement 1, January 2022

      implementing electronic health record          Telemedicine                                    needs of the intended populations,
      tools (24,25); empowering and educating        Telemedicine is a growing field that may         including addressing the “digital divide,”
      patients (26,27); removing financial bar-       increase access to care for patients with       i.e., access to the technology required
      riers and reducing patient out-of-pocket       diabetes. The American Telemedicine             for implementation (51–54).
      costs for diabetes education, eye exams,       Association defines telemedicine as the             For more information on DSMES, see
      diabetes technology, and necessary medi-       use of medical information exchanged            Section 5, “Facilitating Behavior Change and
      cations (7); assessing and addressing psy-     from one site to another via electronic         Well-being to Improve Health Outcomes”
      chosocial issues (28,29); and identifying,     communications to improve a patient’s           (https://doi.org/10.2337/dc22-S005).
      developing, and engaging community             clinical health status. Telemedicine
      resources and public policies that support     includes a growing variety of applications      Cost Considerations for Medication-Taking
      healthy lifestyles (30). The National Dia-     and services using two-way video, smart-        Behaviors
      betes Education Program maintains an           phones, wireless tools, and other forms of      The cost of diabetes medications and
      online resource (https://www.cdc.gov/          telecommunications technology (44).             devices is an ongoing barrier to achiev-

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      diabetes/professional-info/training            Increasingly, evidence suggests that vari-      ing glycemic goals. Up to 25% of
      .html) to help health care professio-          ous telemedicine modalities may facilitate      patients who are prescribed insulin
      nals design and implement more effec-          reducing A1C in patients with type 2 dia-       report cost-related insulin underuse
                                                     betes compared with usual care or in            (55). Insulin underuse due to cost has
      tive health care delivery systems for
                                                     addition to usual care (45), and findings        also been termed cost-related medica-
      those with diabetes. Given the pluralis-
                                                     suggest that telemedicine is a safe             tion nonadherence. The cost of insulin
      tic needs of patients with diabetes and
                                                     method of delivering type 1 diabetes care       has continued to increase in recent
      how the constant challenges they expe-
                                                     to rural patients (46). For rural populations   years for reasons that are not entirely
      rience vary over the course of disease
                                                     or those with limited physical access to        clear. There are recommendations from
      management (complex insulin regi-
                                                     health care, telemedicine has a growing         the ADA Insulin Access and Affordability
      mens, new technology, etc.), a diverse
                                                     body of evidence for its effectiveness, par-    Working Group for approaches to this
      team with complementary expertise is
                                                     ticularly with regard to glycemic control as    issue from a systems level (56). Recom-
      consistently recommended (31).
                                                     measured by A1C (47–49). Interactive            mendations including concepts such as
                                                     strategies that facilitate communication        cost-sharing for insured people with dia-
      Care Teams
                                                     between providers and patients, including       betes should be based on the lowest
      The care team, which centers around
                                                     the use of web-based portals or text mes-       price available, the list price for insulins
      the patient, should avoid therapeutic
                                                     saging and those that incorporate medica-       that closely reflects net price, and
      inertia and prioritize timely and appro-
                                                     tion adjustment, appear more effective.         health plans that ensure that people
      priate intensification of behavior change
                                                     Telemedicine and other virtual environ-         with diabetes can access insulin without
      (diet and physical activity) and/or phar-      ments can also be used to offer diabetes        undue administrative burden or exces-
      macologic therapy for patients who             self-management education and clinical          sive cost (56).
      have not achieved the recommended              support and remove geographic and                  The cost of medications (not only
      metabolic targets (32–34). Strategies          transportation barriers for patients living     insulin) influences prescribing patterns
      shown to improve care team behavior            in underresourced areas or with disabil-        and cost-related medication nonadher-
      and thereby catalyze reductions in A1C,        ities (50). However, there is limited           ence because of patient burden and
      blood pressure, and/or LDL cholesterol         data available on the cost-effective-           lack of secondary payer support (public
      include engaging in explicit and collabo-      ness of these strategies.                       and private insurance) for effective
      rative goal setting with patients (35,36);                                                     approved glucose-lowering, cardio-
      identifying and addressing language,           Behaviors and Well-being                        vascular disease risk–reducing, and
      numeracy, or cultural barriers to care         Successful diabetes care also requires          weight management therapeutics.
      (37–39); integrating evidence-based            a systematic approach to supporting             Although not usually addressed as a
      guidelines and clinical information tools      patients’ behavior-change efforts. High-        social determinant of health, financial
      into the process of care (19,40,41); solic-    quality diabetes self-management edu-           barriers remain a major source of health
      iting performance feedback, setting            cation and support (DSMES) has been             disparities, and costs should be a focus
      reminders, and providing structured care       shown to improve patient self-manage-           of treatment goals (57). (See TAILORING
      (e.g., guidelines, formal case manage-         ment, satisfaction, and glucose out-            TREATMENT FOR SOCIAL CONTEXT and TREATMENT
      ment, and patient education resources)         comes. National DSMES standards call            CONSIDERATIONS.) Reduction in cost-related
      (7); and incorporating care management         for an integrated approach that includes        medication nonadherence is associated
      teams including nurses, dietitians, phar-      clinical content and skills, behavioral         with better biologic and psychologic out-
      macists, and other providers (20,42). In       strategies (goal setting, problem-solving),     comes, including quality of life.
      addition, initiatives such as the Patient-     and engagement with psychosocial con-
      Centered Medical Home show promise             cerns (29). Increasingly, such support is       Access to Care and Quality Improvement
      for improving health outcomes by foster-       being adapted for online platforms that         The Affordable Care Act and Medicaid
      ing comprehensive primary care and             have the potential to improve patient           expansion have resulted in increased
      offering new opportunities for team-           access to this important resource. These        access to care for many individuals with
      based chronic disease management (43).         curriculums need to be tailored to the          diabetes, emphasizing the protection
care.diabetesjournals.org                                                               Improving Care and Promoting Health in Populations   S11

of people with preexisting conditions,             TAILORING TREATMENT FOR                          SDOH are not consistently recognized
health promotion, and disease prevention           SOCIAL CONTEXT                               and often go undiscussed in the clinical
(58). In fact, health insurance coverage                                                        encounter (75). For example, a study by
                                                    Recommendations
increased from 84.7% in 2009 to 90.1%                                                           Piette et al. (84) found that among
                                                    1.5 Assess food insecurity, housing         patients with chronic illnesses, two-
in 2016 for adults with diabetes aged
                                                        insecurity/homelessness, finan-
18–64 years. Coverage for those $65                                                             thirds of those who reported not taking
                                                        cial barriers, and social capital/      medications as prescribed due to cost-
years remained nearly universal (59).
                                                        social community support to
Patients who have either private or public                                                      related medication nonadherence never
                                                        inform treatment decisions,
insurance coverage are more likely to                                                           shared this with their physician. In a
                                                        with referral to appropriate
meet quality indicators for diabetes care                                                       study using data from the National
                                                        local community resources. A
(60). As mandated by the Affordable Care                                                        Health Interview Survey (NHIS), Patel
                                                    1.6 Provide patients with self-man-
Act, the Agency for Healthcare Research                                                         et al. (75) found that one-half of adults
                                                        agement support from lay
                                                                                                with diabetes reported financial stress

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and Quality developed a National Quality                health coaches, navigators, or
Strategy based on triple aims that include                                                      and one-fifth reported food insecurity.
                                                        community health workers
improving the health of a population,                                                           One population in which such issues
                                                        when available. A
overall quality and patient experience of                                                       must be considered is older adults,
care, and per capita cost (61,62). As                                                           where social difficulties may impair the
health care systems and practices adapt            Health inequities related to diabetes        quality of life and increase the risk of
to the changing landscape of health care,          and its complications are well docu-         functional dependency (85) (see Section
it will be important to integrate tradi-           mented, are heavily influenced by             13, “Older Adults,” https://doi.org/10
                                                   SDOH, and have been associated with          .2337/dc22-S013, for a detailed discus-
tional disease-specific metrics with meas-
                                                   greater risk for diabetes, higher popula-    sion of social considerations in older
ures of patient experience, as well as
                                                   tion prevalence, and poorer diabetes         adults). Creating systems-level mecha-
cost, in assessing the quality of diabetes
                                                   outcomes (72–76). SDOH are defined as         nisms to screen for SDOH may help
care (63,64). Information and guidance
                                                   the economic, environmental, political,      overcome structural barriers and
specific to quality improvement and prac-
                                                   and social conditions in which people        communication gaps between patients
tice transformation for diabetes care is
                                                   live and are responsible for a major part    and providers (75,86). In addition, brief,
available from the National Institute of
                                                   of health inequality worldwide (77).         validated screening tools for some SDOH
Diabetes and Digestive and Kidney Dis-
                                                   Greater exposure to adverse SDOH over        exist and could facilitate discussion
eases guidance on diabetes care and
                                                   the life course results in worse health      around factors that significantly impact
quality (65). Using patient registries and
                                                   (78). The ADA recognizes the association     treatment during the clinical encounter.
electronic health records, health sys-
                                                   between social and environmental fac-        Below is a discussion of assessment and
tems can evaluate the quality of diabe-
                                                   tors and the prevention and treatment        treatment considerations in the context
tes care being delivered and perform               of diabetes and has issued a call for        of food insecurity, homelessness, lim-
intervention cycles as part of quality             research that seeks to better under-         ited English proficiency, limited health
improvement strategies (66). Improve-              stand how these social determinants          literacy, and low literacy.
ment of health literacy and numeracy               influence behaviors and how the rela-
is also a necessary component to imp-              tionships between these variables might      Food Insecurity
rove care (67,68). Critical to these               be modified for the prevention and            Food insecurity is the unreliable avail-
efforts is provider adherence to clini-            management of diabetes (79,80). While        ability of nutritious food and the inabil-
cal practice recommendations (see                  a comprehensive strategy to reduce dia-      ity to consistently obtain food without
Table 4.1) and the use of accurate,                betes-related health inequities in popu-     resorting to socially unacceptable practi-
reliable data metrics that include                 lations has not been formally studied,       ces. Over 18% of the U.S. population
sociodemographic variables to examine              general recommendations from other           reported food insecurity between 2005
health equity within and across popula-            chronic disease management and pre-          and 2014 (87). The rate is higher in
tions (69).                                        vention models can be drawn upon to          some racial/ethnic minority groups,
    In addition to quality improvement             inform systems-level strategies in diabe-    including African American and Latino
efforts, other strategies that simultaneously      tes (81). For example, the National          populations, low-income households,
improve the quality of care and potentially        Academy of Medicine has published a          and homes headed by a single mother.
reduce costs are gaining momentum and              framework for educating health care          The rate of food insecurity in individuals
include reimbursement structures that, in          professionals on the importance of           with diabetes may be up to 20% (88).
contrast to visit-based billing, reward the        SDOH (82). Furthermore, there are            Additionally, the risk for type 2 diabetes
provision of appropriate and high-quality          resources available for the inclusion of     is increased twofold in those with food
care to achieve metabolic goals (70)               standardized sociodemographic varia-         insecurity (79) and has been associated
and incentives that accommodate person-            bles in electronic medical records to        with low adherence to taking medica-
alized care goals (7,71). (Also see COST CONSID-   facilitate the measurement of health         tions appropriately and recommended
ERATIONS FOR MEDICATION-TAKING BEHAVIOR, above,    inequities as well as the impact of inter-   self-care behaviors, depression, diabetes
regarding cost-related medication nonad-           ventions designed to reduce those            distress, and worse glycemic control
herence reduction.)                                inequities (63,82,83).                       when compared with individuals who
S12   Improving Care and Promoting Health in Populations                                     Diabetes Care Volume 45, Supplement 1, January 2022

      are food secure (89,90). Older adults            homeless population is estimated to be         health care. Without regular care, those
      with food insecurity are more likely to          around 8% (96). Additionally, patients         with diabetes may suffer severe and
      have emergency department visits and             with diabetes who are homeless need            often expensive complications that affect
      hospitalizations compared with older             secure places to keep their diabetes           quality of life.
      adults who do not report food insecu-            supplies and refrigerator access to prop-         Health care providers should be
      rity (91). Risk for food insecurity can          erly store their insulin and take it on a      attuned to the working and living condi-
      be assessed with a validated two-item            regular schedule. The risk for homeless-       tions of all patients. For example, if a
      screening tool (91) that includes the            ness can be ascertained using a brief          migrant farmworker with diabetes pre-
      statements: 1) “Within the past 12               risk assessment tool developed and             sents for care, appropriate referrals
      months we worried whether our food               validated for use among veterans (97).         should be initiated to social workers
      would run out before we got money to             Housing insecurity has also been shown         and community resources, as available,
      buy more” and 2) “Within the past 12             to be directly associated with a person’s      to assist with removing barriers to care.
      months the food we bought just didn’t            ability to maintain their diabetes self-

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      last, and we didn’t have money to get            management (98). Given the potential           Language Barriers
      more.” An affirmative response to either          challenges, providers who care for             Providers who care for non–English
      statement had a sensitivity of 97% and           either homeless or housing-insecure            speakers should develop or offer educa-
      specificity of 83%. Interventions such as         individuals should be familiar with            tional programs and materials in multi-
      food prescription programs are considered        resources or have access to social work-       ple languages with the specific goals of
      promising practices to address food inse-        ers who can facilitate stable housing for      preventing diabetes and building diabe-
      curity by integrating community resources        their patients as a way to improve dia-        tes awareness in people who cannot
      into primary care settings and directly          betes care (99).                               easily read or write in English. The
      deal with food deserts in underserved                                                           National Standards for Culturally and
      communities (92,93).                             Migrant and Seasonal Agricultural              Linguistically Appropriate Services in
                                                       Workers
                                                                                                      Health and Health Care (National CLAS
      Treatment Considerations                         Migrant and seasonal agricultural work-
                                                                                                      Standards) provide guidance on how
      In those with diabetes and food insecu-          ers may have a higher risk of type 2 dia-
                                                                                                      health care providers can reduce lan-
      rity, the priority is mitigating the increased   betes than the overall population. While
                                                                                                      guage barriers by improving their cul-
      risk for uncontrolled hyperglycemia and          migrant farmworker–specific data are
                                                                                                      tural competency, addressing health
      severe hypoglycemia. Reasons for the             lacking, most agricultural workers in the
                                                                                                      literacy, and ensuring communication
      increased risk of hyperglycemia include          U.S. are Latino, a population with a high
                                                                                                      with language assistance (102). In addi-
      the steady consumption of inexpensive            rate of type 2 diabetes. In addition, liv-
                                                                                                      tion, the National CLAS Standards web-
      carbohydrate-rich processed foods, binge         ing in severe poverty brings with it food
                                                                                                      site (https://thinkculturalhealth.hhs.gov)
      eating, financial constraints to filling dia-      insecurity, high chronic stress, and
                                                                                                      offers several resources and materials
      betes medication prescriptions, and anxi-        increased risk of diabetes; there is also
                                                                                                      that can be used to improve the quality
      ety/depression leading to poor diabetes          an association between the use of cer-
                                                       tain pesticides and the incidence of dia-      of care delivery to non–English-speaking
      self-care behaviors. Hypoglycemia can
                                                       betes (100).                                   patients (102).
      occur as a result of inadequate or erratic
      carbohydrate consumption following the              Data from the Department of Labor
      administration of sulfonylureas or insulin.      indicate that there are 2.5–3 million          Health Literacy and Numeracy
      See Table 9.2 for drug-specific and               agricultural workers in the U.S. These         Health literacy is defined as the degree
      patient factors, including cost and risk of      agricultural workers travel throughout         to which individuals have the capacity
      hypoglycemia, which may be important             the country, serving as the backbone for       to obtain, process, and understand basic
      considerations for adults with food inse-        a multibillion-dollar agricultural industry.   health information and services needed
      curity and type 2 diabetes. Providers            According to 2018 health center data,          to make appropriate decisions (67).
      should consider these factors when mak-          174 health centers across the U.S.             Health literacy is strongly associated
      ing treatment decisions in people with           reported that they provided health care        with patients being able to engage in
      food insecurity and seek local resources         services to 579,806 adult agricultural         complex disease management and self-
      that might help patients with diabetes           patients, and 78,332 had encounters for        care (103). Approximately 80 million
      and their family members obtain nutri-           diabetes (13.5%) (101).                        adults in the U.S. are estimated to have
      tious food more regularly (94).                     Migrant farmworkers encounter               limited or low health literacy (68). Clini-
                                                       numerous and overlapping barriers to           cians and diabetes care and education
      Homelessness and Housing                         receiving care. Migration, which may           specialists should ensure they provide
      Insecurity                                       occur as frequently as every few weeks         easy-to-understand information and
      Homelessness/housing insecurity often            for farmworkers, disrupts care. In addi-       reduce unnecessary complexity when
      accompanies many additional barriers             tion, cultural and linguistic barriers, lack   developing care plans with patients.
      to diabetes self-management, including           of transportation and money, lack              Interventions addressing low health lit-
      food insecurity, literacy and numeracy           of available work hours, unfamiliarity         eracy in populations with diabetes seem
      deficiencies, lack of insurance, cognitive        with new communities, lack of access to        effective in improving diabetes out-
      dysfunction, and mental health issues            resources, and other barriers prevent          comes, including ones focusing primarily
      (95). The prevalence of diabetes in the          migrant farmworkers from accessing             on patient education, self-care training,
care.diabetesjournals.org                                                               Improving Care and Promoting Health in Populations           S13

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