Covariates | Marijuana use status | Total | Rao-Scott χ2 | |
No | Yes | |||
Prevalence (95% CI) | 96.4% (94.9 to 97.7) | 3.4% (2.3 to 5.1) | ||
Weighted % | Weighted % | n | ||
Sex | 1.78 | |||
Male | 96.0 | 4.0 | 1038 | |
Female | 97.4 | 2.6 | 882 | |
Age group | 0.26 | |||
≤17 | 96.2 | 3.8 | 886 | |
18+ | 96.8 | 3.2 | 1038 | |
Grade | 1.41 | |||
SHS 1 | 96.8 | 3.2 | 560 | |
SHS 2 | 94.6 | 5.4 | 372 | |
SHS 3 | 97.5 | 2.5 | 606 | |
SHS 4 | 97.5 | 2.5 | 378 | |
Experience of hunger | 2.21 | |||
No | 98.1 | 1.9 | 668 | |
Yes | 95.8 | 4.2 | 1260 | |
Bullying victimisation | 13.35*** | |||
No | 97.9 | 2.1 | 1110 | |
Yes | 94.6 | 5.4 | 700 | |
Experience insomnia | 9.45** | |||
No | 98.3 | 1.7 | 514 | |
Yes | 96.1 | 3.9 | 1413 | |
Close friends | 1.52 | |||
None | 95.6 | 4.4 | 274 | |
1 friend | 97.7 | 2.3 | 572 | |
2 friends | 95.9 | 4.1 | 481 | |
3+ friends | 97.2 | 2.8 | 589 | |
Weekly smoking exposure | 47.84*** | |||
Never | 98.4 | 1.6 | 1310 | |
1–2 | 96.8 | 3.2 | 309 | |
3+ | 89.3 | 10.7 | 311 | |
Parent smoker | 61.39*** | |||
No | 97.4 | 2.6 | 1768 | |
Yes | 87.5 | 12.5 | 158 | |
Alcohol intake | 53.71*** | |||
No | 98.1 | 1.9 | 1595 | |
Yes | 86.9 | 13.1 | 222 | |
Truancy | 47.99*** | |||
No | 98.3 | 1.7 | 1313 | |
Yes | 93.4 | 6.6 | 596 | |
Social support at school | ||||
No | 96.9 | 3.1 | ||
Yes | 96.5 | 3.5 | ||
Loneliness | 0.4 | |||
No | 96.9 | 3.1 | 421 | |
Yes | 96.6 | 3.4 | 1506 | |
Checking of homework by parents | 0.69 | |||
No | 97.4 | 2.6 | 572 | |
Yes | 96.5 | 3.5 | 1342 | |
Engaging in physical fights | 26.52*** | |||
No | 98.1 | 1.9 | 1390 | |
Yes | 93.0 | 7.0 | 533 |
Rao-Scott is a design-based χ² test; p value indication: **p<0.01, ***p<0.001.
GSHS, Global School-Based Student Health Survey; SHS, senior high school.