Table 4 Crude and adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for allergic disorders according to smoking status in 1743 pregnant women, Kyushu Okinawa Maternal and Child Health Study, Japan
Wheeze | Asthma | Eczema | Rhinoconjunctivitis | |||||
|---|---|---|---|---|---|---|---|---|
Crude OR (95% CI) | Adjusted OR1 (95% CI) | Crude OR (95% CI) | Adjusted OR1 (95% CI) | Crude OR (95% CI) | Adjusted OR1 (95% CI) | Crude OR (95% CI) | Adjusted OR1 (95% CI) | |
Smoking status | ||||||||
Never | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Former | 1.52 (1.09-2.11) | 1.39 (0.98-1.95) | 1.27 (0.80-1.98) | 1.07 (0.66-1.70) | 1.19 (0.87-1.60) | 1.16 (0.84-1.58) | 1.05 (0.83-1.33) | 0.99 (0.77-1.27) |
Current | 1.64 (1.15-2.25) | 1.52 (1.05-2.12) | 1.63 (1.03-2.40) | 1.40 (0.87-2.10) | 1.07 (0.70-1.52) | 0.98 (0.64-1.42) | 1.10 (0.81-1.46) | 1.05 (0.77-1.41) |
Pack-years of smoking | ||||||||
None | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
0.05-3.9 | 1.18 (0.74-1.82) | 1.03 (0.64-1.61) | 0.85 (0.42-1.58) | 0.71 (0.34-1.34) | 1.13 (0.75-1.66) | 1.02 (0.67-1.52) | 1.02 (0.75-1.38) | 0.92 (0.67-1.25) |
≥ 4.0 | 2.06 (1.42-2.95) | 1.93 (1.30-2.83) | 1.92 (1.18-3.07) | 1.58 (0.94-2.58) | 1.22 (0.84-1.75) | 1.25 (0.85-1.82) | 1.10 (0.82-1.46) | 1.08 (0.80-1.46) |
P for trend | 0.0002 | 0.002 | 0.02 | 0.15 | 0.25 | 0.29 | 0.52 | 0.75 |