TABLE 4.
Smoking Dose in Third Trimester in Relation to Preeclampsia and Gestational Hypertension
| Smoking Classification by Dose (cigarettes/day) | Preeclampsiaa
|
Gestational Hypertensionb
|
||||||
|---|---|---|---|---|---|---|---|---|
| Total No. (n = 61,817) | (% Cases) | OR | (95% CI) | Total No. (n = 60,861) | (% Cases) | OR | (95% CI) | |
| 0c | 57,640 | (3.57) | 1.00 | 56,737 | (2.04) | 1.00 | ||
| >0–1.7 (light) | 1,026 | (3.12) | 0.78 | (0.55–1.12) | 1,009 | (1.49) | 0.76 | (0.46–1.27) |
| >1.7–8.0 (moderate) | 2,107 | (2.28) | 0.52 | (0.39–0.70) | 2,084 | (1.20) | 0.59 | (0.40–0.89) |
| >8.0–20 (heavy) | 1,044 | (2.30) | 0.48 | (0.32–0.73) | 1,031 | (1.07) | 0.51 | (0.28–0.95) |
CI indicates confidence interval.
a
Adjusted for parity, maternal education, educational disparity, prepregnancy body mass index, maternal age, any diabetes, and excluding gestational hypertension.
b
Adjusted for parity, maternal education, native language of grandparents, educational disparity, prepregnancy body mass index, maternal age, any diabetes, and excluding preeclampsia.
c
Reference category.