Table 1.
Descriptive Statistics of Covariates at Baseline Waves Among Adolescents Who Reported Never Used Cannabis
| Covariates at baseline waves | Wave 1 n=5,049 % (95% CI) |
Wave 2 n=6,522 % (95% CI) |
Wave 3 n=7,888 % (95% CI) |
|---|---|---|---|
|
| |||
| P30D e-cigarette use | |||
| Yes | 0.6 (0.4, 0.9) | 0.9 (0.6, 1.2) | 1.4 (1.1, 1.7) |
| No | 99.4 (99.1, 99.6) | 99.1 (98.8, 99.4) | 98.6 (98.3, 98.9) |
| Internalizing mental health problems | |||
| Low | 52.3 (50.6, 53.9) | 53.1 (51.7, 54.5) | 51.3 (49.9, 52.7) |
| Moderate | 29.3 (28.0, 30.7) | 27.8 (26.7, 29.0) | 28.2 (27.1, 29.3) |
| High | 18.4 (17.2, 19.7) | 19.1 (18.1, 20.1) | 20.5 (19.4, 21.6) |
| Externalizing mental health problems | |||
| Low | 39.6 (37.9, 41.3) | 44.0 (42.7, 45.3) | 43.9 (42.7, 45.2) |
| Moderate | 30.7 (29.2, 32.2) | 27.9 (26.8, 29.1) | 27.6 (26.6, 28.7) |
| High | 29.7 (28.4, 31.1) | 28.1 (26.9, 29.4) | 28.4 (27.3, 29.6) |
| Age group, years | |||
| 12‒14 | 96.7 (96.0, 97.3) | 77.8 (77.1, 78.5) | 65.0 (64.3, 65.6) |
| 15‒17 | 3.3 (2.7, 4.0) | 22.2 (21.5, 22.9) | 35.0 (34.4, 35.7) |
| Sex | |||
| Male | 51.0 (50.5, 51.5) | 51.0 (50.4, 51.5) | 51.0 (50.4, 51.5) |
| Female | 49.0 (48.5, 49.5) | 49.0 (48.5, 49.6) | 49.0 (48.5, 49.6) |
| Race/ethnicity | |||
| Non-Hispanic White | 54.3 (53.8, 54.9) | 53.7 (53.0, 54.3) | 52.8 (52.1, 53.5) |
| Non-Hispanic Black | 14.1 (13.6, 14.5) | 13.3 (12.8, 13.8) | 12.9 (12.5, 13.3) |
| Non-Hispanic other | 9.3 (8.9, 9.6) | 9.8 (9.4, 10.3) | 10.3 (9.9, 10.8) |
| Hispanic | 22.3 (21.9, 22.7) | 23.2 (22.7, 23.7) | 24.0 (23.4, 24.5) |
| Sexual orientation (ages ≥14 years) | |||
| Straight/heterosexual | 95.0 (93.7, 96.1) | 92.5 (91.4, 93.4) | 91.3 (90.4, 92.0) |
| Gay, lesbian, bisexual, or other | 5.0 (3.9, 6.3) | 7.5 (6.6, 8.6) | 8.7 (8.0, 9.6) |
| P30D combustible tobacco usea | |||
| Yes | 0.6 (0.4, 0.9) | 0.6 (0.4, 0.9) | 0.7 (0.5, 1.0) |
| No | 99.4 (99.1, 99.6) | 99.4 (99.1, 99.6) | 99.3 (99.0, 99.5) |
| P30D alcohol use | |||
| Yes | 1.5 (1.2, 1.9) | 3.9 (3.3, 4.6) | 4.3 (3.7, 4.9) |
| No | 98.5 (98.1, 98.8) | 96.1 (95.4, 96.7) | 95.7 (95.1, 96.3) |
| Parental education | |||
| Less than high school | 17.4 (16.0, 18.9) | 16.5 (15.2, 17.9) | 15.7 (14.5, 16.9) |
| High school graduate | 17.5 (16.2, 19.0) | 16.8 (15.8, 18.0) | 16.3 (15.2, 17.4) |
| Some college or associate degree | 20.1 (18.8, 21.5) | 30.3 (28.7, 32.0) | 31.3 (29.7, 32.9) |
| Bachelor’s degree or higher | 45.0 (42.6, 47.3) | 36.3 (34.0, 38.8) | 36.8 (34.7, 38.9) |
| State recreational cannabis law | |||
| Legalized | 6.2 (3.5, 10.8) | 6.2 (3.5, 10.6) | 18.8 (15.0, 23.3) |
| Not legalized | 93.8 (89.2, 96.5) | 93.8 (89.4, 96.5) | 81.2 (76.7, 85.0) |
a
Combustible tobacco included cigarette, cigar, cigarillo, and filtered cigar.
P30D, past-30-day.