Substance abuse treatment as part of a total system of community response
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Research Harold D. Holder report Substance abuse treatment ABSTRACT as part of a total system of H. Holder: Substance abuse treatment as part of a total system of community community response response Treatment of substance abuse in many communities throughout the world is often separated from other social and health responses to alcohol and other drug harms. Current responses Introduction exist like silos within the community. Existing approaches to substance use and In addition, there are population-level abuse in most countries have generated a policy approaches concerning the complex but not always complimentary set distribution and sales of alcohol and of separate programs and approaches in com- the restrictions on and enforcement munities, normally labeled as treatment or of illegal drugs which also exist only prevention. Treatment of substance abuse is loosely connected to treatment (or often separated from other social and health prevention for that matter). A systems responses to alcohol and other drug harms. approach to substance abuse and Current government programs can exist like related problems is described in silos or separate closed systems such that even which evaluation addresses both within the recovery/treatment organizations clinical patient needs as well as there are many alternative approaches, pro- overall performance demonstration. grams, and policies which often compete for Effectiveness can be measured both government funding and public support. This by population level reductions in use observation is based on a number of reviews and associated problems, a second of treatment systems. See Rist et al. (2005) for level of accountability, i.e., documented a review of new developments in alcoholism reductions in problems of at risk groups treatment patterns in Europe which illustrates or clients whose drinking or drug use patterns place them at risk for future Acknowledgment problems, and a third level of response Presented at “Models, implications and mean- for individuals with clearly identified ings of alcohol and drug treatment systems” (a substance-related problems, which thematic meeting of the Kettil Bruun Society for requires intervention at the person Social and Epidemiological Research on Alcohol) level (typically called treatment). Thus Stockholm, Sweden on 7–9 October 2009. within such a comprehensive system, Submitted 29.04.2010 treatment and prevention would lose Initial review completed 20.05.2010 their separate identities and would be Final version accepted 09.11.2010 employed according to local needs and NORDIC STUDIES ON ALCOHOL AND DRUGS VOL. 27. 2010 . 6 549
Substance abuse treatment as part of a total system of community response the potential to achieve some of these points. desired effects where the Currently in most countries, there are many agencies, min- overall system is required istries, and organizations providing services and programs to select the mix of related to substance abuse. The cross-national review of al- strategies which maximizes coholism and drug abuse treatment services in Europe and effectiveness at each level. other countries by Klingemann et al. (1992) and Klingemann and Hunt (1998) as well as organizational analyses complet- ■ Key words ed by Durkin (2002) find that substance abuse programs are substance abuse treatment not typically organized to provide either systematic clini- system, prevention, cal evaluation nor performance evaluation overall. Further evolution model, population Warner (2008) finds that very few of existing substance -level effects abuse treatment services are providing overall health screen- ing and thus are not evaluating their programs in terms of effects on either total population or at risk sub-populations. Similarly local prevention efforts operate separately from one another, compete for funding among themselves as well as exist largely independent of treatment with the same com- munity. For example, simply having law enforcement (or the judicial system) identify and mandate treatment services for convicted persons is not the same as operating and evaluat- ing treatment within a total system. As Holder et al. (2005) have documented, prevention programs for substance abuse may be co-located within the same organization for treat- ment. Due to this diversity prevention efforts may not typi- cally operate as though part of a common system. In addition, there are population-level policy approach- es concerning the distribution and sales of alcohol and the restrictions on and enforcement of illegal drugs which also exist only loosely connected to treatment (or prevention programs for that matter). This is especially in the Nordic countries, specifically Finland, Norway, Sweden, and Ice- land, which have a long tradition of using public policy as a means to reduce substance abuse harm. See reviews of these policies and their history in Holder et al. (1998) and Trolldal et al. (2000). Over time approaches to substance abuse have been ei- ther person-specific interventions in reducing substance abuse by individuals (this is typically the domain of treat- ment) and purposeful efforts to reduce subgroup or popu- lation-level substance abuse and/or associated problems by education or environmental/policy interventions (typically the domain of prevention). There is clear evidence of harm 550 NORDIC STUDIES ON ALCOHOL AND DRUGS VOL. 27. 2010 . 6
Substance abuse treatment as part of a total system of community response reduction strategies for substance abuse such services and programs or policies be (Ritter & Cameron 2006) which may or modified to take advantage of best scientif- may not be utilized in practice. Wells et ic evidence of potential impact. For exam- al. (2006) provide insights as to why sub- ple, Fuller et al. (2007) in a review of ex- stance abuse treatment programs do not isting substance abuse treatment programs operate or link with prevention efforts find a significant gap between evidence- (even with demonstrated effectiveness). based practice (EBP) innovations and their These authors find the lack of funding in- adoption. Further they identify 6 elements centives for actually operating prevention which are critical to the adoption and initiatives and the lack of accountabil- maintenance of evidence-based practices ity for overall effects on substance abuse in their programs including program eval- problems as key factors. This is echoed by uation for individual care as well as over- Merrill et al. (2006) which when looking all documentation of performance which at a large national school-based preven- can be used as feedback to staff to improve tion effort find that the program is not or- overall performance. ganized to select evidence-based strategies As discussed in Babor et al. (2010), the nor to document overall effectiveness as provision of treatment is part of a compre- a part of policy requirements. Further see hensive approach to alcohol-related prob- discussions in Lisansky-Gomberg (2003), lems and in terms of the reduction of hu- Brienza and Stein (2002), Tonigan (2003), man suffering, and treatment can be con- and Babor et al. (2010) concerning treat- sidered as a form of prevention. Further, ment services and prevention approaches Babor et al. (2010) concludes that when as well as Holder (1998a) concerning treat- provided in response to early risky drink- ment cost-effectiveness. ing to reduce further alcohol problems, it Over the past 25 to 30 years, a substan- is called secondary prevention and when tial body of scientific data and literature implemented to reduce the further damage on the epidemiological, etiology, treatment of heavy, dependent drinking, when it is and prevention of substance abuse has ac- initiated to control the damage associated cumulated. From these data a better under- with chronic drinking, it is called terti- standing of the factors that either enhance ary prevention. Anderson and Baumberg or diminish the incidence, prevalence, (2006) have concluded that while preven- and consequences of substance problems tion policies have been proven to be ef- has emerged. What is missing is not sci- fective in lowering alcohol problems and entific information on which to base effec- harm at the population level, there is lim- tive treatment and prevention responses to ited evidence of the efficacy of individual substance abuse. What is missing is an ap- interventions reducing population-level proach to stimulate evaluation of effects of alcohol problems alone. Both Anderson specific interventions or overall effective- and Baumberg (2006) and Babor et al. ness or a group of interventions in terms of (2010) propose a mix of treatment, preven- population level effects. In most instances, tion and policy interventions in a compre- there is little or no consistent documenta- hensive approach to reducing harm. This tion of effectiveness nor requirement that is also reflected by Humphreys et al. (1997) NORDIC STUDIES ON ALCOHOL AND DRUGS V O L . 27. 2010 . 6 551
Substance abuse treatment as part of a total system of community response who discuss the limitations of current be an organizing frame work with the re- evaluation approaches in government- quirement to utilize existing scientific sponsored substance abuse treatment and evidence to identify practices and inter- describe approaches to evaluation which ventions most likely to make the system can both support clinical needs (effects effective and to make evaluation a natural for individual patients) and which can be part. This is not a description of “ideals” relevant to public policy (see also Moos & or even a replacement of current treatment Finney 1983; McClellan et al. 2000). and prevention approaches in practice. The goal of this paper is to present a Rather this approach identifies key func- systems approach to substance abuse tions which can support both an evalua- treatment and prevention in which the tion of effectiveness and enable the system documented reduction of abuse and re- to improve over time and which could be lated harms both at the individual patient applied to existing programs and interven- level as well as overall effectiveness are tions. For example, a systems approach to essential in system design. A systems ap- public education can identify the essential proach to evaluation is about establishing functions necessary to effective education a means to evaluate both individual and including necessary funding to support population-level effects, and integrating activities, alternative educational delivery evaluation as a part of natural operations. structures, measurement of student learn- Complex systems are designed to achieve ing and improvement, and overall man- specific outcomes. Three essential levels agement processes. However, the specific of evaluation for this system are proposed. shape and location of schools, content of Also one example of such an actual system classroom teaching, certification of teach- which uses all three levels as described ers, and testing of students are to be devel- and currently exists (in one form or an- oped specific to the goals and objectives of other) in every developed country. Further the system and the community or culture key steps to develop such a systems ap- in which it exists, i.e., seeking alternative proach are given as well as illustrations of operational approaches to achieve system logic models for drinking and driving and functions. methamphetamine treatment and preven- Are there elements of this systems ap- tion which provide alternative examples. proach to substance abuse already exist- Thus this paper describes how evaluation ing? As Lisansky-Gomberg (2003), Brienza of outcomes can be inherent such that the and Stein (2002), Tonigan (2003), Babor et system seeks to improve over time, i.e., al. (2010), Rist et al. (2005), Humphreys adaptation based upon success or failure. et al. (1997) and many others have de- (See Costello 1975) scribed many essential ingredients of suc- cessful treatment and prevention exist in A systems approach practice and there have been a number of for reducing substance use studies which both assess existing serv- and abuse ices and suggest appropriate alternatives A systems approach to reducing substance to improvement as cited above. Thus this use and abuse problems is proposed to paper is not proposing totally new ideas 552 NORDIC STUDIES ON ALCOHOL AND DRUGS V O L . 2 7. 2 0 1 0 . 6
Substance abuse treatment as part of a total system of community response (or ideals) which have not been consid- the second level is a type of “early inter- ered previously. What may be considered vention” component for the system and as unique in this paper is an emphasis on might include brief intervention deliv- population-level as well as individual- ered via existing general medical or health level evaluation of effectiveness and an services (see Wutzke et al. 2001; Babor & expectation that services, programs, ap- Higgens-Biddle 2000) or targeted educa- proaches, and policies will be designed tional or support programs, e.g., as might and implemented utilizing the best avail- be delivered for disadvantaged children, able scientific evidence, and that the or youth, or families with risk profiles specific goals of such a system would be (Lisansky-Gomberg 2003). In practice, clearly defined and management held ac- interventions at this level (depending countable. upon the population being served) could mix smoking prevention with moderate Standards for performance drinking interventions or diet education evaluation within a systems to reduce obesity with heavy drinking approach prevention. Interventions here could also Evaluation of effectiveness is proposed to counsel persons whose drinking and/or occur with three general levels of account- drug use patterns puts them at risk for ability as illustrated in Figure 1. Thus the future problems. The point here is not to first level of accountability is the reduc- specify specific types of interventions but tion of specific substance abuse problems rather to provide incentives to support for the entire community (this has been system management to seek the most cost described by Holder 1998b; 2001). A sec- effective mix of services for this level, ac- ond level of accountability would be re- counting for the characteristics and needs ductions in problems in subgroups whose of the population being served. members have clearly identified social or A third level for the system is a reme- health problems or have risk for future dial response to the identified current substance related problems. In this way, problems of individuals who are clearly 1 Universal or Community Wide Approaches Strategies which target the entire community Example: Drinking and driving detterence 2 indicated or identified approaches Strategies which target subgroups with “risk” profiles Example: First DUI Offenders 3 targeted approaches (treatment) Strategies which work with individuals with identified problems Example: Multiple DUI offenders Figure 1. Levels of evaluation in a systems approach to substance abuse NORDIC STUDIES ON ALCOHOL AND DRUGS V O L . 27. 2010 . 6 553
Substance abuse treatment as part of a total system of community response manifesting substance abuse problems. planned way, i.e., general strategies backed Thus these clients are engaged in treat- up by subgroup-specific strategies which ment approaches or modalities which are further backed up by individual strate- have demonstrated effectiveness, i.e., gies. This occurs in public safety efforts to are evidence-based, to reduce individu- reduce drink driving. See Figure 1. At the al substance abuse problems. There are first level, population level countermeas- many possible treatment and recovery ures for drink and driving are designed to approaches which the system might uti- reduce overall incidents of driving after lize based on best scientific evidence, de- and during drinking. Such countermeas- pending upon the potential or actual ef- ures have been shown to have effects in fects realized in reduced problems within reducing traffic crashes at the population the client population. For example, see level, including the use of random breath Raistrick et al. (2006). testing, lower limits for legal blood alco- While these three levels roughly corre- hol concentration (BAC), suspension of spond to the public health model of pri- driving licenses, and routine enforcement mary, secondary, or tertiary prevention, (Babor et al. 2010). Individual drivers do such a comprehensive system treatment come to the attention of the police as a re- and prevention would be employed ac- sult of routine surveillance (enforcement) cording to local needs and the potential to but also as a result of breath testing in con- achieve overall desired effects, i.e., reduce junction with a traffic crash. Most arrested population-level substance abuse prob- drinking drivers are “first time offenders” lems. Thus a type of “backup” would be who have not previously been arrested for created in which the failures of more gen- drinking and driving or have not had a eral or universal strategies (people who traffic crash related to drinking. These first fall out, drop out or resist, or have unique time offenders rarely repeat or are rear- individual needs) could be served via rested as the original arrest and sanctions more customized strategies. In this case, are sufficient to reduce future problems, reducing existing barriers to recovery or i.e., a general intervention program assess- increase the demand for recovery serv- ment appears to be sufficient in reducing ices would be essential. For example, if a recidivism in this population of risky driv- community had a large number of female ers. This is an example of a second level drug dependent users for whom existing system response. services were not effective, then a specif- A highly significant group within the ic service intervention which accounted drink driving population is multiple of- for gender and social background factors fenders who are arrested several times, might be necessary. continue to drink and drive, and come to the attention of the police (largely because One example of an existing of their overall exposure to detection and system which utilizes all three the many driving trips while impaired). performance standards Individually they have a much higher risk Such a system for reducing substance for traffic crashes. This subgroup clearly abuse problems actually exists in an un- requires a specific mix of incarceration 554 NORDIC STUDIES ON ALCOHOL AND DRUGS V O L . 2 7. 2 0 1 0 . 6
Substance abuse treatment as part of a total system of community response and other sanctions and rehabilitation as which is not a substitute for percentage of they are often less affected by more gener- underage persons who actually drink over al population strategies to prevent drink- the past 30 days. Similarly, the monthly ing and driving or by the second level of number of alcohol-dependent clients en- remediation. Thus, this local set of re- rolled in services is not the same as per- sponses to alcohol-involved traffic crashes centage of clients who are actually absti- provides a simple example of the concept nent after 30 or 90 days. of how general universal prevention can Step 2: Identify key intermediate or be used to affect most of the population at intervening (causal) variables: These are risk (general driving population) backed the variables or factors that have been up by programs/strategies to reduce future empirically shown to affect the selected risk of alcohol-involved traffic crashes. outcome(s) and moderating variables that are known to enhance or diminish the How could such a relationship of the intervening variables comprehensive system be with outcomes. Three types of scientific designed? research can be identified in supporting In order to plan and design such a system, a scientifically informed system: Descrip- the following, suggested steps are pro- tive and observational research illustrates posed: that a particular variable(s) is generally re- Step 1: Identify alcohol or other lated to the use of a particular substance drug-related outcomes which are to be or associated problem. Associative or re- achieved: Outcomes for the system can be lational research examines the association proximal, intermediate, or distal outcomes of one or more specific variables with sub- (i.e., final outcome of interest). Interven- stance abuse and/or associated problems, tion or longitudinal research determines i.e., this variable appears often with a spe- whether substance abuse and/or associ- cific problem or similar problems. Such ated problems change as a result of alter- variables are documented in Holder et al. ing (either through intended change by (2005) along with a summary of scientific planned prevention or unplanned natural/ empirical evidence. unintentional change) specific outcomes, Step 3: Develop a logic model: A logic either at the individual person level, at the model is a display of a sequence of steps small targeted group level, or at the popu- that describes the conceptual framework lation level. Outcomes could be identi- used to define and address a problem fied at many points in a system plan, here through implementing programs, prac- outcome primarily refers to distal or final tices, or policies. (see Rogers 2005; Weiss outcome(s) for which the system is ac- 1972). A Logic Model is not an ideal, i.e., countable. Outcomes should be measured this is the only way for a system to be de- in terms of changes in behaviors or events signed. Rather a logic model can be an es- of interest. For example, changes in at- sential evaluation tool to display the best titudes toward serving alcohol to minors available scientific evidence about key are not a substitute for actual changes in variables and their relationships neces- behaviors related to not serving minors sary to be effective at the client level and NORDIC STUDIES ON ALCOHOL AND DRUGS V O L . 27. 2010 . 6 555
Substance abuse treatment as part of a total system of community response population level for a specific substance cluded). For example, evidence that the abuse problem. (Conrad & Randolph 1999; drug availability (ease of access of alcohol Millar et al. 2001; Rossi et al. 2004) and tobacco increases use) could provide While there are many forms of logic empirical support that ease of access to il- models, the logic model recommended licit drugs is a key variable. See documen- here includes a specification of 1) the tation by Holder and Treno (2005). system goal or goals to be achieved, i.e., If there is no direct empirical evidence specific alcohol and/or drug related be- of the intermediate variable to substance havior or events which is (are) to be re- abuse problem, the relationship could be duced or changed (as shown in Step One presented in theoretical terms—that is, above), 2) the intermediate (sometimes reasoned argument, based upon other re- called “causal”) variables which need to search evidence from such variables in be changed (or considered) in order to other conditions that can be generalized to achieve the system goal, and 3), the inter- the case or situation. In addition, the rela- vention components or activities designed tionship of each intermediate variable to to change key or targeted intermediate any other key intermediate other variable variable(s). Thus a logic model is expected is also shown and the research evidence to specify the causal linkages among key presented, for example, intermediate variables, and between inter- mediate variables and intervention com- Low alcohol prices › high risk drinking › ponents that can affect these intermediate alcohol relation harms variables, and the linkages between all of these and the desired changes in alcohol Motivational interviewing › abstinence › and drug outcomes. See Birckmayer et al. reduced medical care (2004) for documentation of key variables in substance abuse which are used in the Step 4: Select the specific variables which examples below. are to be targeted for intervention: This The relationship of any intermediate identifies key variables which are (or there variable to the outcome and to other vari- is empirical evidence of a potential) to be ables should be based upon the research changed through purposeful intervention. evidence of the relationship of the inter- Rarely does a treatment or prevention in- mediate variable to the specific substance tervention simply reduce an outcome di- abuse problem being addressed by the rectly, i.e., a key intermediate variable or a system. In some cases, direct empirical cluster must be affected in order for a com- evidence of the relationship of the inter- munity level or individual level problem mediate variable to another variable may to be reduced. Because few intermediate not exist as shown in the causal model. variables are easy to change, typically mul- In these situations, the relationship is tiple components or activities are needed. presented in theoretical terms—that is, However, more important than the number reasoned argument, based upon other re- of components or activities is the efficacy search evidence that can be generalized or demonstrated potential to be effective to the situation (research citations are in- of each component or activity. That is, one 556 NORDIC STUDIES ON ALCOHOL AND DRUGS V O L . 2 7. 2 0 1 0 . 6
Substance abuse treatment as part of a total system of community response very effective prevention intervention or lidity”. This is where planners and man- activity may be more important than sever- agers must incorporate the evidence into al relatively ineffective activities. Further their planning with appropriate caution by directly measuring changes in key vari- and judgment about relevance to the local ables, it is possible to document (evaluate) situation and be prepared to modify the whether the strategies being implemented design based upon real world experience. are actually having an effect on targeted See discussion of treatment evaluation variable(s). challenges by Moos and Finney (1983). Step 5: Select the strategies, treatment Step 6: Design of overall system utiliz- modalities, policies or programs which ing the logic model: Creating interventions the system will undertake: This selection at all three levels for the system requires must be based upon the research evidence identifying possible interventions and that has been shown capable of affect- then selecting the particular intervention ing this intermediate variable. In review- components or activities that have suffi- ing research articles, one must ask” What cient strength to improve each or key se- are some of the elements of credible evi- lected intermediate variable(s) at the indi- dence?” Some strategies are stronger than vidual, small group, or community level. others and a combination of strategies to Which interventions (policies, programs, measure the same variable using differ- or program activities) have the greatest ent sources adds to the strength of the demonstrated impact upon each of the se- evidence. For example, self-report on be- lected intermediate variables? Is there suf- havior is often the most commonly used ficient evidence that these interventions measurement strategy, but for sensitive (policies, programs, or program activities) data, such as drug and alcohol abuse, self- are sufficiently powerful that they will report may not provide very accurate data. actually markedly change each selected Thus, adding another source of data such intermediate variable and what is the evi- as archival data on DUI arrests or emer- dence for this conclusion? gency room visits or collecting data from There are situations when no studies are others such as from a spouse or life part- available that evaluate a specific interven- ner, a teacher or friend can increase confi- tion, or effects of an intervention on the dence that the data are accurate especially targeted substance or population, i.e., no if the data are comparable. Note that most direct scientific evidence of effects. In this published studies of effectiveness of treat- situation, system planners may still desire ment or prevention under scientifically a specific intervention as part of a compre- controlled conditions emphasize “internal hensive approach to system programming. validity,” that is, the degree to which the What are some reasonable arguments that intervention could cause the changes de- can be made for such a selection? Such el- sired in the outcomes measured. They do ements as these are important to include: not typically address with such systematic • The proposed intervention is based rigor the degree to which the results are upon a similar theory, content and struc- generalizable to other populations, set- ture to other interventions that have em- tings, or circumstances, i.e., “external va- pirical evidence of effectiveness. For NORDIC STUDIES ON ALCOHOL AND DRUGS V O L . 27. 2010 . 6 557
Substance abuse treatment as part of a total system of community response example, evidence of limiting access to turally feasible, given the values and social tobacco products as a means to reduce and cultural context of the community, are youth smoking could be used to support they politically feasible given the existing a strategy to limit youth access to drugs, power structure, are they administratively even though there is little evidence of feasible, given the existing structure of specific effects from controlled research relevant organizations, are they techni- on a specific illegal drug which may be cally feasible, given the staff capabilities targeted. and program resources, and are they fi- • The proposed intervention has been nancially feasible, given reasonable esti- used by a community through multiple mates of costs and likely fiscal resources? iterations and data have been collected For these reasons, consultation with local indicating it is effective, though not us- practitioners and residents in the process ing a specific controlled research design. of translating the research to their culture • The intervention is based on published and context is an essential part of good principles of prevention and treatment systems planning. and discussion of the intervention de- The empirically confirmed relationships scription clearly incorporates these of intermediate variables to the distal out- principles come support the use of specific interven- tions. For example, Responsible Beverage It is essential that local knowledge of cul- Service (RBS) as an intervention to reduce ture, context, and politics be considered as overserving of alcohol at bars, restaurants, a part of the system planning process. The or pubs has been demonstrated to decrease advice of local practitioners who know the service to intoxicated patrons and under- community, population segments, and lo- age persons, reduce the number of intoxi- cal history of experience with such inter- cated patrons leaving bars, and decrease ventions are critical in order to combine the number of car crashes (See empirical and adapt the proposed interventions into evidence of such effects in Babor et al. a coordinated system. Thus, what is the 2010; Treno 2003). In addition, in keeping feasibility of proposed system policies, with a comprehensive systems approach programs and practices, i.e., are they cul- to reducing such outcomes, the logic mod- Examples of logic models We have few examples in practice of this proposed system approach to substance abuse treatment and prevention. However, it is possible to propose, for illustration only of the concepts of this paper, some examples of logic models. There are many possible models which could be explored or proposed. Thus these examples are not given as “ideals” but as simple illustrations. Figure 2 shows an example of logic model for reducing alcohol-involved motor vehicle crashes related to the key intermediate variables as specified. Based upon the empirical research, the key intermediate variables which impact drinking driv- ing and related harm are shown. See Babor et al. (2010), Voas et al. (2008), and Horwood and Fergus- son (2000) for empirical background for selection of key variables in this model as well as Birckmayer et al. (2004). 558 NORDIC STUDIES ON ALCOHOL AND DRUGS V O L . 2 7. 2 0 1 0 . 6
Substance abuse treatment as part of a total system of community response Alcohol sales & service DUI enforcement enforcement & sanctions Retail & economic availability (outlet density, hours, days Multiple Alcohol serving and First offencer drink offender of sale discount driving interventions pricingand taxes) sales practices drink driving treatmen programs Drinking Perceived risk Driving after drinking Alcohol-related of DUI arrest motor vehicle crashes Community norms – Alcohol promotion Comprehensive drinking Individual, family (adversiting, system for reduction Drinking context and peer factors sponsorship of of alcohol-involved (atmosphere designed commuity motor vehicle to minimize contrlos on events) crashes behavior) Figure 2. Logic model for a comprehensive system to reduce alcohol-involved motor vehicle crashes. el provides for an intervention with first ies on these variables specifically address- drink driving offenders (person arrested ing methamphetamine. See Birckmayer for drink driving for the first time) in order et al. (2008) for documentation including to reduce future drink driving events by empirical and theoretical rationale for this this subgroup as well as a set of strategies logic model. Also see documentation of to address the specific population of per- key variables for this logic model in John- sons who are arrested for multiple drink son et al. (2007) and Miller et al. (2009). driving offenses. Figure 3 illustrates a simple alterna- Summary and conclusions tive logic model for illicit drug use, e.g., The systems approach proposed here is a systems response to methamphetamine to identify elements or functions within including interdiction to reduce supply an actual system in which evaluation of and availability and a recovery (detoxi- treatment and prevention efforts can oc- fication and treatment) response to indi- cur. Further, these functions can be used vidual dependency. In this example, the to stimulate accountability for reducing logic model is derived from the empirical substance abuse problems and harm and evidence of similar intermediate variables to support the increased use of evidence- from other drugs, other than methamphet- based practices and policies. The effec- amine as the research evidence concern- tiveness of this system is to be measured ing key variables in this logic model is both by population level reductions in use limited and there are few published stud- and associated alcohol and drug problems, NORDIC STUDIES ON ALCOHOL AND DRUGS V O L . 27. 2010 . 6 559
Substance abuse treatment as part of a total system of community response Community concern about Meth beliefs Community norms meth harm – attitudes (enforcement & use) – perceived social norms Enforcement – expectancies Meth production Price Meth Laws Meth associated (production use problems supplies, sale, Perceived risk & possesion) of arrest (production, sale Supply available or possession) for purchase Detox and treatment for meth dependency Figure 3. Metamphetamine logic model a second level of accountability or evalu- examples above. Some of the elements ation, i.e., documented reductions in the may be shared in common and many may problems of subgroups who have risk pro- be unique. Thus what makes a system is files, and recovery or relapse of individual the intentional design to address specific clients with clearly identified individual goals and to integrate all necessary ele- drinking and/or drug use problems. ments for goal achievement. The trust of The proposed design is such that the this paper is to extend beyond organiza- system evolves and adapts as it builds cu- tional boundaries and to seek ways to inte- mulative evidence of what works and why grate across system elements. Perhaps the it works and which kinds of interventions response to drink driving is a good exam- have the greatest impact. As research pro- ple of a quasi-functioning system (though vides more information about what kinds it could certainly be improved) which ex- of strategies affect specific intermediate ists across several organizations in most variables, the logic models can utilize in- communities or countries. creasingly effective actions. For such a comprehensive, self-adapting In this paper, a system is not necessarily system to be created in practice would a single organizational entity but rather an not require existing treatment and pre- integrated and interacting set of interven- vention organizations and agencies to be tions, programs and policies which work abandoned. Rather the key functions pre- together over time to achieve specific sented in this paper, if put into practice, goals. Thus within a single or across mul- would stimulate improved evaluation of tiple organizations, there may be several effectiveness at the individual, risk group, functioning systems, each with its own and population levels. If evaluation of unique collection of elements and per- effectiveness becomes an essential func- formance standards as illustrated in the tion, then low or non effective approaches 560 NORDIC STUDIES ON ALCOHOL AND DRUGS V O L . 2 7. 2 0 1 0 . 6
Substance abuse treatment as part of a total system of community response would need to be replaced with evidence- both accountability and support of routine based approaches which increase effec- evaluation, the viability of the proposed sys- tiveness. tems approach is limited. Why has existing organizations or agen- However, this does not mean that estab- cies which provide treatment and evalu- lishing operating systems, in which eval- ation, not incorporated these functions? uation of effects can not be created or is Some of the complex answers to this ques- technically infeasible. Perhaps the greatest tion are addressed in the introduction to this limiting factor is the will of government paper which reviews a number of assess- ministries and municipal agencies to actu- ments of contemporary treatment and pre- ally require this level of evaluation and ac- vention and the role of evaluation. Perhaps, countability of substance abuse treatment in a simplistic answer, governments do not and prevention in practice. require treatment or prevention efforts to be Harold D. Holder, researcher evaluated in practice and thus there is lim- Prevention Research Center ited accountability. Further, in a time of con- Pacific Institute for Research and Evaluation siderable unstable economic conditions, the Berkeley, California, USA cost and resources to support evaluation are E-mail: holder@PREV.org simply not provided. As a result, without REFERENCES Anderson, P. & Baumberg, B. (2006): Alcohol Birckmayer, J. & Fisher, D.A. & Holder, H.D. in Europe: a public health perspective. & Yacoubian, G. S. (2008): Prevention of London: Institute of Alcohol Studies Methamphetamine Abuse: Can Existing Babor, T.F. & Higgins-Biddle, J.C. (2000): Evidence Inform Community Prevention? Alcohol Screening and Brief Interven- Journal of Drug Education 38 (2): 165–183 tion: Dissemination Strategies for Medical Birckmayer, J. & Holder, H.D. & Yacoubian, G. Practice and Public Health. Addiction 95 S. & Friend, K. B. (2004): A General Causal (5): 677–686 Model to Guide Alcohol, Tobacco, and Illic- Babor, T.& Caetano, R. & Casswell, S. & Ed- it Drug Prevention: Assessing the Research wards, G. & Giesbrecht, N. & Graham, K. & Evidence. Journal of Drug Education 34 (2): Grube, J. & Hill, L. & Holder, H. & Homel, 121–153 R. & Livingston, M. & Österberg, E. & Rehm, Conrad, K. J. & Randolph, F. L. (1999): Creating J. & Room, R. & Rossow, I. (2010): Alcohol: and using logic models: Four perspectives. No Ordinary Commodity: Research and Alcoholism Treatment Quarterly 17 (1–2): Public Policy. Second Edition, Substantial- 17–32 ly Revised. New York: Oxford University Costello, R. M. (1975): Alcoholism Treatment Press and Evaluation: In Search of Methods. Sub- Brienza, R. S. & Stein, M. D. (2002): Alcohol stance Use and Misuse 10 (2): 251–275 use disorders in primary care: Do gender- Durkin, E.M. (2002): An Organizational Analy- specific differences exist? Journal of Gen- sis of Psychosocial and Medical Services in eral Internal Medicine 17 (5): 387–397 Outpatient Drug Abuse Treatment Pro- NORDIC STUDIES ON ALCOHOL AND DRUGS V O L . 27. 2010 . 6 561
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