Country USA 2008 Washington State Healthy Youth Survey (HYS) Population (source) collected in public school grades 8, 10 and 12 Binge drinking (yes/no): back over the last 2 weeks. “Think How many times have you had 5 or more drinks in a row (a drink is a glass of wine, a bottle of beer, a shot of liquor, or a mixed drink)?” Primary & secondary Drug use: the past 30 days, on how many days did “During outcomes (measures and you use marijuana or hashish (grass, hash, pot))?” and diagnostic criteria) the past 30 days, on how many days did you (not “During counting alcohol, tobacco, or marijuana) use another illegal drug?”. Adolescents with self- reported frequency of 1 day or more on these questions were categorised as drug users. Clustered sampling design: after randomisation, participation is voluntary for schools and students. Response rates were Sampling methodology 77% of 8th grade, 60% of 10th grade and 50% of 12th grade students. N = 10,606 students, comprising: Students with a military parent, deployed parent or civilian parent (proportions not reported) No. of participants Adolescent girls in 8th grade (N = 2,097) and 10th & 12th grades (N = 3,137) Adolescent boys in 8th grade (N = 1975) and 10th &12th grade (N = 2801) Age: N/A reported) Age and Gender Gender: N/A reported as number of adolescent girls or boys per grade Study 3 Binge drinking in past 2 weeks for adolescent girls in 8th grade was 9%c for girls with a military parent, 17% b, c for girls with a deployed parent cf. 9%b for girls with civilian parents. Binge drinking in past 2 weeks for adolescent girls in 10th & 12th grade was 29% a for girls with a military parent, 29%b for girls with a deployed parent cf. 18% a, b for girls with civilian parents.
Country USA Population (source) 2008 Washington State Healthy Youth Survey (HYS) collected in public school grades 8, 10 and 12 Primary & secondary outcomes (measures and diagnostic criteria) Binge drinking (yes/no): “Think back over the last 2 weeks. How many times have you had 5 or more drinks in a row (a drink is a glass of wine, a bottle of beer, a shot of liquor, or a mixed drink)?” Drug use: “During the past 30 days, on how many days did you use marijuana or hashish (grass, hash, pot))?” and “During the past 30 days, on how many days did you (not counting alcohol, tobacco, or marijuana) use another illegal drug?”. Adolescents with self- reported frequency of 1 day or more on these questions were categorised as drug users. Sampling methodology Clustered sampling design: after randomisation, participation is voluntary for schools and students. Response rates were 77% of 8th grade, 60% of 10th grade and 50% of 12th grade students. No. of participants N = 10,606 students, comprising: Students with a military parent, deployed parent or civilian parent (proportions not reported) Adolescent girls in 8th grade (N = 2,097) and 10th & 12th grades (N = 3,137) Adolescent boys in 8th grade (N = 1975) and 10th &12th grade (N = 2801) Age and Gender Age: N/A reported) Gender: N/A reported as number of adolescent girls or boys per grade Study 3 Binge drinking in past 2 weeks for adolescent girls in 8th grade was 9%c for girls with a military parent, 17% b, c for girls with a deployed parent cf. 9%b for girls with civilian parents. Binge drinking in past 2 weeks for adolescent girls in 10th & 12th grade was 29% a for girls with a military parent, 29%b for girls with a deployed parent cf. 18% a, b for girls with civilian parents.