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Individual-Level Intervention

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Environmental-level interventions seek to reduce opportunities (availability) for underage drinking, increase penalties for violating minimum legal drinking age (MLDA) and other alcohol use laws, and reduce community tolerance for alcohol use and misuse by youth. Individual-level interventions seek to change knowledge, expectancies, attitudes, intentions, motivation, and skills so that youth are better able to resist the pro-drinking influences and opportunities that surround them. This section discusses four types of individual- and environmental-level programs: school-based programs, family-based programs, macroenvironmental programs, and multicomponent programs. School-Based Prevention Programs School-based curricula to prevent use of …show more content…

However, methodological issues remain a critical barrier to interpreting the large number of published studies, as many were conducted with less than optimal degrees of scientific rigor. Additionally, variations in design and methodology make comparisons across studies difficult. For example, there is wide variability in alcohol use outcome measures, and it is common for some measures within a single study to show significant intervention effects whereas others do not (Foxcroft et al. …show more content…

Outcomes based solely on knowledge and attitudes are no longer acceptable. Variation in measures makes comparisons across studies difficult. Also, the frequent use of study-specific composite scales (based on combinations of individual measures) often makes practical interpretations of findings difficult. This latter problem, coupled with the failure to report effect sizes, makes it difficult to judge the likely benefit from implementing programs on a large scale (Gorman 1995). Analysis based on intention-to-treat is the most relevant from a public health standpoint, but application of this analytic standard often eliminates statistical significance (Foxcroft et al. 2003). Differences in program intensity (number of sessions), followup periods, age/grade of students, program goals, population characteristics, and attrition also impede meta-analysis and cross-study

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