| Factor | Cannabis use category;† % of respondents | ||||
|---|---|---|---|---|---|
| Total sample | Lifetime use | Use in previous 12 mo | Use in previous month | Never used in life | |
| Age, mean ± SD, yr | 15.1 ± 1.8 | 16.4 ± 1.2‡ | 16.4 ± 1.2‡ | 16.4 ± 1.2‡ | 14.8 ± 1.9 |
| Sex | |||||
| Male | 51.3 | 25.5 | 22.4 | 15.0 | 74.5 |
| Female | 48.7 | 22.6 | 20.7 | 12.8 | 77.4 |
| Grade | |||||
| 7/8 | 25.7 | 3.4‡ | 3.0‡ | 2.2‡ | 96.6 |
| 9 | 16.1 | 11.9 | 10.1 | 6.6 | 88.1 |
| 10 | 16.7 | 26.8 | 24.7 | 14.7 | 73.2 |
| 11 | 17.3 | 38.8 | 34.7 | 23.5 | 61.2 |
| 12 | 24.1 | 42.0 | 37.3 | 24.0 | 58.0 |
| Ethnicity | |||||
| White | 57.7 | 28.7‡ | 25.4‡ | 16.4‡ | 71.3 |
| Black | 7.0 | 26.8 | 25.0 | 17.3 | 73.2 |
| East/South East Asian | 13.3 | 11.7 | 10.8 | 5.6 | 88.3 |
| South Asian | 8.8 | 10.9 | 9.0 | 6.2 | 89.1 |
| Other | 13.2 | 23.7 | 21.9 | 15.2 | 76.3 |
| Subjective socioeconomic status | |||||
| Low | 67.3 | 26.3 | 20.6 | 13.1 | 77.0 |
| High | 32.7 | 23.0 | 23.5 | 15.6 | 73.7 |
| Immigration status | |||||
| Nonimmigrant | 81.7 | 26.5‡ | 23.7‡ | 15.4‡ | 73.5 |
| Immigrant | 18.3 | 13.4 | 11.6 | 7.6 | 86.6 |
| Tobacco cigarette use in previous year | |||||
| No | 81.9 | 11.8‡ | 10.0‡ | 5.4‡ | 88.2 |
| Yes | 18.1 | 80.0 | 73.7 | 53.0 | 20.0 |
| Alcohol use in previous past year | |||||
| None/sip | 53.7 | 3.6‡ | 2.8‡ | 1.8‡ | 96.4 |
| Occasional | 19.8 | 27.5 | 23.9 | 13.6 | 72.5 |
| Regular | 26.5 | 63.2 | 57.8 | 39.0 | 36.8 |
| Met physical activity recommendation | |||||
| No | 77.9 | 24.0 | 21.7 | 14.0 | 76.0 |
| Yes | 22.1 | 24.6 | 20.9 | 13.8 | 75.4 |
| Met screen time recommendation | |||||
| No | 64.3 | 24.6 | 21.9 | 14.7 | 75.4 |
| Yes | 35.7 | 23.3 | 20.8 | 12.7 | 76.7 |
| Met age-appropriate sleep duration recommendation | |||||
| No | 64.1 | 26.6‡ | 23.9‡ | 15.6‡ | 73.4 |
| Yes | 35.9 | 19.6 | 17.3 | 10.9 | 80.4 |
Note: SD = standard deviation.
*Data are shown as weighted column percentage in "Total sample" column; weighted row percentage is used elsewhere unless indicated otherwise.
†Cannabis use measures are dichotomous; however, only "yes" responses are shown.
‡p < 0.05.