Table 1 Comparisons of the intervention and comparison groups at baseline
Characteristics | Intervention (n = 43) | Comparison (n = 41) | t/χ2 | p value |
|---|---|---|---|---|
Age (years) | 17.14 ± 0.91 | 17.43 ± 0.14 | t = 2.11 | 0.15 |
Gender |  |  | χ2 = 0.34 | 0.56 |
 Male | 29 (67.44) | 31 (75.61) |  |  |
 Female | 14 (32.56) | 10 (24.39) |  |  |
Work status of main guardian |  |  | χ2 = 0.03 | 0.86 |
 Employed | 34 (79.07) | 34 (82.93) |  |  |
 Unemployed | 9 (20.93) | 7 (17.07) |  |  |
Years of education of main guardian |  |  | χ2 = 0.86 | 0.36 |
  ≤ 9 years | 12 (27.91) | 7 (17.07) |  |  |
 >9 years | 31 (72.09) | 34 (82.93) |  |  |
Household status |  |  | χ2 = 0.92 | 0.34 |
 Live with both parents | 27 (62.79) | 30 (75.00) |  |  |
 Others | 16 (37.21) | 10 (25.00) |  |  |
Religious belief a |  |  | χ2 = 0.31 | 0.58 |
 Yes | 18 (43.90) | 21 (52.50) |  |  |
 No | 23 (56.10) | 19 (47.50) |  |  |
Illicit drug use among peers |  |  | χ2 = 1.14 | 0.29 |
 Yes | 29 (67.44) | 22 (53.66) |  |  |
 No | 14 (32.56) | 19 (46.34) |  |  |
Outcome measures at baselineb |  |  | T2 = 8.00 (F = 1.50) | 0.20 |
 Stress management | 32.29 ± 5.49 | 33.02 ± 5.47 |  |  |
 Refusal skills | 26.00 ± 4.32 | 26.52 ± 4.11 |  |  |
 Pros of drug use | 21.63 ± 10.37 | 18.82 ± 12.81 |  |  |
 Cons of drug use | 37.67 ± 9.00 | 36.53 ± 12.17 |  |  |
 Drug use resistance self-efficacy | 31.55 ± 5.51 | 34.14 ± 4.01 |  |  |