Table 1 Characteristics of included studies
Study ID | Setting and Country | Type of Intervention | Gender breakdown (%) | Age (Mean, SD) |
|---|---|---|---|---|
1. Grenard et al., 2007 [27] | Alternative high school campuses, Los Angeles, USA | Individual Motivational Interviewing (1 session of 25 minutes) | 67% Male, 33% Female | 16.1 (0.9) |
2. Friedman et al., 2002 [28] | Residential Facility for court adjudicated adolescent males, Philadelphia, USA | Botvin Life Skills Training (20 sessions), Prothrow/Stith Anti-Violence model (20 sessions), Values Clarification procedure-20 sessions: (55 minutes each) | 100% Male | 15.5 (1.1) |
3. Stein et al., 2006 [29] | Northwest juvenile correctional facility, USA | Motivational Interviewing (60 minute , 90 minute booster) | 89.5% Male, 10.5% Female | 17.09 (1.06) |
4. Bailey et al., 2004 [33] | Youth Centre, New South Wales, Australia | Brief Motivational Interviewing group intervention (4 sessions-first session 40 minutes, remaining sessions 30 minutes) | 50% Male, 50% Female | 15.44 (1.80) |
5. Peterson et al., 2006 [34] | Homeless adolescents-drop in centres, street intercepts. Seattle, Washington, USA | Brief Motivational Enhancement (1 session of approximately 30 minutes) | 54.7% Male, 45.3 Female | 17.4 (1.54) |
6. Winters et al., in press [26] | Urban Public High School, Minnesota, USA | Teen Intervene-Brief Motivational Interviewing (2 sessions with adolescent of 60 minutes, 1 session of 60 minutes with parent) | 51.5% Male, 48.5% Female | 16.1 (n/a) |
7. Walton et al., 2010 [31] | Emergency Department, Michigan, USA | SafERteens therapist vs computer brief intervention (1 session of 35 minutes) | 43.5% Male, 56.5% Female | 16.8 (1.3) |
8. Spirito et al. , 2004 [30] | Northeast Emergency Department, USA | Brief Motivational Interviewing (1 session of 35–45 minutes) | 63.8% Male, 36.2% Female | 15.6 (1.2) |
9. D’Amico et al., 2008 [32] | Community-based health clinic, Los Angeles, USA | Project CHAT: Motivational Interviewing (1 session of 15–20 minutes; 5–10 minute booster telephone call | 47.6% Male, 52.4% Female | 16.0 (1.85) |