Table. Baseline Sociodemographic and Parental Variable Comparisons for Cannabis Use Initiation Groups.
| Variable | No./total No. (%) | Nonparametric comparison, P value | |
|---|---|---|---|
| Used cannabis (n = 170) | Heard of but have not used cannabis (n = 10 711) | ||
| Sex | |||
| Female | 61/170 (35.9) | 5048/10 711 (47.1) | .004 |
| Male | 109/170 (64.1) | 5663/10 711 (52.9) | |
| Race and ethnicitya,b | |||
| Asian | 2/169 (1.2) | 232/10 684 (2.2) | <.001 |
| Black/African American | 31/169 (18.3) | 1715/10 684 (16.1) | |
| Hispanic/Latino | 25/169 (14.8) | 531/10 684 (5.0) | |
| Native American/Alaska Native | NA | 36/10 684 (0.3) | |
| Pacific Islander | NA | 12/10 684 (0.1) | |
| White | 109/169 (64.5) | 8073/10 684 (75.6) | |
| Otherc | 2/169 (1.2) | 85/10 684 (0.8) | |
| Religious affiliationa,d | 117/161 (72.7) | 7447/10 235 (72.8) | >.99 |
| Parent marital statusa | |||
| Married/cohabiting | 104/169 (61.5) | 7909/10 628 (74.4) | .002 |
| Widowed | 2/169 (1.2) | 86/10 628 (0.8) | |
| Divorced/separated | 32/169 (18.9) | 1403/10 628 (13.2) | |
| Never married | 31/169 (18.3) | 1230/10 628 (11.6) | |
| Parent educationa | |||
| Less than high school | 16/170 (9.4) | 654/10 694 (6.1) | <.001 |
| High school/GED/some college | 64/170 (37.6) | 2814/10 694 (26.3) | |
| Undergraduate degree | 67/170 (39.4) | 4446/10 694 (41.6) | |
| Graduate degree | 23/170 (13.5) | 2780/10 694 (26.0) | |
| Household income, $a,e | |||
| <25 000 | 31/153 (20.3) | 1379/9823 (14.0) | <.001 |
| 25 000-49 999 | 39/153 (25.5) | 1419/9823 (14.4) | |
| 50 000-74 999 | 23/153 (15.0) | 1354/9823 (13.8) | |
| 75 000-99 999 | 19/153 (12.4) | 1431/9823 (14.6) | |
| 100 000-199 999 | 30/153 (19.6) | 3070/9823 (31.3) | |
| ≥200 000 | 11/153 (7.2) | 1170/9823 (11.9) | |
| Participant age at baseline, mean (SD), y | 10.2 (0.6) | 9.9 (0.6) | NAg |
| Parent age at baseline, mean (SD), yf | 39.6 (7.9) | 40.2 (6.8) | .045 |
Abbreviations: GED, general educational development test; NA, not applicable.
Group comparison conducted using Fisher exact test.
Child race and ethnicity were reported by parents at baseline. See eMethods in Supplement 1 for the reason race and ethnicity were reported as variables in this study.
Other race and ethnicity includes other single or multiple races reported, or declined to respond, no response, or unknown.
Religious affiliation was defined as endorsing any religious preference vs agnostic, atheist, or none.
Median household income level: used cannabis ($50 000 to $74 999), heard of but have not used cannabis ($75 000 to $99 999).
Group comparison conducted using Wilcoxon rank sum test.
Descriptive only, not assessed as a covariate in models.