TABLE 4—
Variable | Prevalence, % | B | AOR (95% CI)a |
Sex | |||
Female | 6.6 | 1 (Ref) | |
Male | 11.7 | 0.546 | 1.73 (1.65, 1.80) |
Age group, y | |||
12–14 | 8.0 | 1 (Ref) | |
15–16 | 11.2 | 0.070 | 1.07 (1.03, 1.12) |
Parental smoking status | |||
Neither | 7.2 | 1 (Ref) | |
Father only | 10.3 | 0.122 | 1.13 (1.07, 1.19) |
Mother only | 15.7 | 0.334 | 1.40 (1.29, 1.52) |
Both | 20.4 | 0.567 | 1.76 (1.66, 1.87) |
Cigarette smoking | |||
No | 5.7 | 1 (Ref) | |
Yes | 33.5 | 1.971 | 7.18 (6.84, 7.54) |
Other tobacco product use | |||
No | 7.5 | 1 (Ref) | |
Yes | 23.2 | 1.355 | 3.88 (3.62, 4.15) |
World Bank income level | |||
Low | 14.3 | 0.737 | 2.09 (1.88, 2.33) |
Middle | 8.1 | 1 (Ref) | |
Upper-middle | 8.1 | −0.088 | 0.92 (0.78, 1.06) |
High | 11.0 | 0.562 | 1.75 (1.39, 2.12) |
Survey year | |||
2012–2015 | 6.9 | 1 (Ref) | |
2016–2019 | 10.3 | 0.365 | 1.44 (1.37, 1.52) |
Secondhand smoke exposure | |||
No | 4.9 | 1 (Ref) | |
Yes | 11.8 | 0.551 | 1.74 (1.64, 1.84) |
Note. AOR = adjusted odds ratio; CI = confidence interval. All variables listed in the table were introduced into logistic regression models.
aOdds ratios after adjustment for all potential covariates listed in the table.