| Response of ‘Yes’ (%) |  |  |  |  |  | |
---|---|---|---|---|---|---|---|
 | Control | Intervention | Pearson Chi-Square (x2) | df (N) | p | Cramer’s V | Odds ratio |
Drink or smoke | 35.1 | 60 | 19.22 | 1 (311) | <.001* | .25 | 2.78 |
Tobacco | 12.3 | 39.6 | 30.81 | 1 (310) | <.001* | .32 | 4.68 |
Alcohol | 29.2 | 54 | 19.47 | 1 (310) | <.001* | .25 | 2.84 |
Cannabis | 14 | 39.6 | 26.32 | 1 (310) | <.001* | .29 | 4.01 |
Cocaine | 2.9 | 5 | .92 | 1 (310) | .338 | .05 | - |
Amphetamines | 6.4 | 12.2 | 3.14 | 1 (310) | .077 | .10 | - |
Inhalants | 1.2 | .7 | Fisher’s exact | - (310) | 1 | .02 | - |
Sedatives | .6 | 5.8 | Fisher’s exact | - (310) | .012* | .15 | 10.38 |
Hallucinogens | 1.8 | 7.2 | 5.65 | 1 (310) | .017* | .15 | 4.34 |
Opioids | .6 | 5.8 | Fisher’s exact | - (310) | .012* | .15 | 10.38 |
Non-heterosexual orientation | 7.8 | 21.7 | 10.81 | 1(279) | .001* | .20 | 3.28 |
Had sex | 19.9 | 47.1 | 25.74 | 1 (307) | <.001* | .29 | 3.58 |
STI check | .88 | 42.18 | 11.64 | 1 (98) | .001* | .35 | 7.54 |
Sex without condom | 35.29 | 73.85 | 13.90 | 1 (99) | <.001* | .38 | 5.17 |
Pressured to have sex | 17.64 | 36.92 | 4.50 | 1 (99) | .034* | .21 | 2.91 |
Self-harmed | 31 | 52.2 | 28.44 | 2 (309) | <.001* | .30 | - |
Unsafe situations | 15.8 | 27.2 | 19.97 | 2 (307) | <.001* | .25 | - |