Table 2.
Prevalence (%) | Crude OR (95% CI) | Adjusted OR (95% CI)a | |
---|---|---|---|
Smoking status | |||
Never | 196/1183 (16.6) | 1.00 | 1.00 |
Former | 118/503 (23.5) | 1.54 (1.19–1.99) | 1.39 (1.06–1.83) |
Current | 21/59 (35.6) | 2.78 (1.57–4.80) | 2.49 (1.36–4.45) |
Pack-years of smoking | |||
None | 196/1183 (16.6) | 1.00 | 1.00 |
0.05–2.9 | 45/207 (21.7) | 1.40 (0.96–2.00) | 1.18 (0.80–1.72) |
3.0–7.9 | 56/222 (25.2) | 1.70 (1.20–2.37) | 1.55 (1.08–2.22) |
≥ 8.0 | 38/133 (28.6) | 2.01 (1.33–3.00) | 1.97 (1.26–3.03) |
P for trend | < .0001 | 0.0005 |
aAdjusted for age, gestation, region of residence, number of children, family structure, family income, education, job type, history of depression, and family history of depression