Table 4.
Model A: Ever use | Model B: Past-30-day use | |||||
---|---|---|---|---|---|---|
Variables | AOR | 95% CI | p | AOR | 95% CI | p |
E-cigarettes only | 1.16 | 1.01–1.33 | 0.04 | 1.29 | 1.07–1.55 | 0.01 |
Cigarettes only | 1.01 | 0.81–1.25 | 0.96 | 1.23 | 0.92–1.64 | 0.17 |
Both e-cigarettes and cigarettes | 1.13 | 0.97–1.31 | 0.11 | 1.62 | 1.32–1.99 | <0.0001 |
Marijuana | 1.12 | 0.99–1.27 | 0.07 | 1.08 | 0.94–1.24 | 0.25 |
Covariates | ||||||
Gender (ref.: Female) | 1.02 | 0.92–1.12 | 0.72 | 1.01 | 0.92–1.11 | 0.86 |
Overweight (ref.: No) | 1.23 | 1.08–1.40 | 0.002 | 1.25 | 1.10–1.42 | 0.0005 |
Obese (ref.: No) | 1.52 | 1.34–1.74 | <0.0001 | 1.48 | 1.30–1.68 | <0.0001 |
Age | 0.99 | 0.95–1.03 | 0.52 | 1.00 | 0.96–1.04 | 0.88 |
NH Asian (ref. NH white) | 0.67 | 10.51–0.85 | 0.005 | 0.73 | 0.56–0.94 | 0.02 |
NH black (ref. NH white) | 1.45 | 1.25–1.65 | <0.0001 | 1.45 | 1.28–1.64 | <0.0001 |
Hispanic (ref. NH white) | 0.76 | 0.64–0.91 | 0.02 | 0.76 | 0.63–0.91 | 0.01 |
Hispanic multi-race (ref. NH white) | 1.06 | 0.92–1.23 | 0.40 | 1.13 | 0.98–1.30 | 0.09 |
NH multi-race (ref. NH white) | 1.75 | 1.44–2.11 | <0.0001 | 1.84 | 1.53–2.22 | <0.0001 |
Note: NH: Non-Hispanic. All variables entered in model simultaneously. Indices for tobacco product groups are binary (0,1) variables based on ever use (Model A) or use in past 30 days (Model B); reference group = didn’t use either.