Table 1.
Descriptive characteristics of analytic sample
| Tobacco Samplea (n=1,558) | Cannabis Sampleb (n=1,841) | |
|---|---|---|
| N (col %) | N (col %) | |
| Female | 853 (54.8%) | 1,000 (54.3%) |
| Race/ethnicity | ||
| Hispanic | 641 (41.1%) | 739 (40.1%) |
| Asian | 400 (25.7%) | 470 (25.5%) |
| White | 250 (16.1%) | 307 (16.7%) |
| Other/Missingc | 267 (17.1%) | 325 (17.7%) |
| Free or Subsidized lunch (at baseline) | ||
| No | 823 (52.8%) | 966 (52.5%) |
| Reduced cost | 110 (7.1%) | 127 (6.9%) |
| Free lunch | 498 (32.0%) | 605 (32.9%) |
| Don’t know/Missingd | 127 (8.2%) | 143 (7.8%) |
| Highest Parental Education | ||
| Some high school or less | 135 (8.7%) | 171 (9.3%) |
| High school graduate | 190 (12.2%) | 224 (12.2%) |
| Some college | 233 (15.0%) | 280 (15.2%) |
| College graduate | 475 (30.5%) | 548 (29.8%) |
| Advanced degree | 319 (20.5%) | 364 (19.8%) |
| Don’t know/Missinge | 206 (13.2%) | 254 (13.8%) |
| Friends’ Cannabis Product Usef | ||
| 0 friends | 1,098 (73.2%) | 1,275 (71.6%) |
| 1–2 friends | 261 (17.4%) | 325 (18.2%) |
| 3–5 friends | 141 (9.4%) | 182 (10.2%) |
| Friends’ Tobacco Product Useg | ||
| 0 friends | 1,191 (80.0%) | 1,349 (76.3%) |
| 1–2 friends | 220 (14.8%) | 285 (16.1%) |
| 3–5 friends | 78 (5.2%) | 133 (7.5%) |
Tobacco sample includes youth who reported no use of any tobacco products (i.e., few puffs of a cigarette, a whole cigarette, e-cigarettes with tobacco, smokeless tobacco, big cigars, little cigars/cigarillos, and hookah water pipe) at baseline.
Cannabis sample includes youth who reported no use of any cannabis products (i.e., combustible cannabis, blunts, and edible, vaporized, or synthetic cannabis) at baseline.
Youth who reported being Black or African-American, American Indian or Alaska Native, multiracial, or “other” were included in this category as was anyone with missing ethnicity data
Participants who endorsed not knowing whether or not they received free/subsidized lunch and those with missing lunch data
Participants who endorsed not knowing their parents’ highest education level and those with missing parental education data
Youth reported on their friends’ cannabis use in the past 30 days. For this item, there were missing data: Tobacco sample N=1500; Cannabis sample N=1782.
Youth reported on their friends’ tobacco use in the past 30 days. For this item, there were missing data: Tobacco sample N=1489; Cannabis sample N=1767.
Tobacco use initiation includes use of a few puffs of a cigarette, a whole cigarette, e-cigarettes with tobacco, smokeless tobacco, big cigars, little cigars/cigarillos, and hookah water pipe
Cannabis use initiation includes reported use of combustible cannabis, blunts, and edible, vaporized, or synthetic cannabis