Multivariable ordinal logistic regression model of demographic and behavioural risk factors for higher categories of current (past 30 days) multiple tobacco product use
| Covariate | Adjusted proportional OR | 95% CI |
|---|---|---|
| Age group (Ref: 15–17 years) | ||
| 18–20 years | 1.67 | 0.84 to 3.31 |
| 21–23 years | 1.01 | 0.49 to 2.06 |
| Male (Ref: female) | 1.91 | 1.21 to 3.03 |
| Race/ethnicity (Ref: non-Hispanic white) | ||
| Non-Hispanic black | 0.34 | 0.11 to 1.07 |
| Hispanic | 0.9 | 0.43 to 1.89 |
| Non-Hispanic other | 0.99 | 0.46 to 2.11 |
| Sensation seeking quartile (Ref: 1st (lowest)) | ||
| 2nd | 1.18 | 0.6 to 2.31 |
| 3rd | 2.2 | 1.15 to 4.21 |
| 4th (highest) | 2.02 | 1.1 to 3.72 |
| Friends smoke (Ref: no) | 2.14 | 0.74 to 6.22 |
| Parents smoke (Ref: never) | ||
| Former | 0.79 | 0.46 to 1.37 |
| Current | 1.11 | 0.67 to 1.85 |
| Maternal education (Ref: less than high school) | ||
| High school graduate | 1.11 | 0.46 to 2.66 |
| At least some college | 0.84 | 0.38 to 1.89 |
| Age first tried tobacco | 0.89 | 0.8 to 0.98 |
| First tobacco product flavoured | 0.65 | 0.4 to 1.08 |
| First tobacco product other tobacco product | 1.37 | 0.78 to 2.4 |
| First tobacco product non-combustible | 2.36 | 1.04 to 5.34 |
Proportional OR estimates adjusted for other covariates in table.