Table 4.
Outcomes of non-smoking and smoking women aged ≥35 years old
| Outcome | ≥35 non-smokers | ≥35 smokers | Adjusted OR and 95% CI |
|---|---|---|---|
| Preterm delivery (before 37 wk) |
7399 (7.2%) |
975 (9.3%) |
1.44, 1.34-1.55 (*1.34,*1.17-1.53) |
| SGA (<90th percentile) |
8693 (8.3%) |
2043(18.9%) |
2.65, 2.51-2.80(*2.83, *2.58-3.12) |
| Low birth weight (<2500 g) |
5337 (4.9%) |
1027 (9.1%) |
2.20, 2.06-2.37(*2.15, *1.88-2.46) |
| Fetal death |
438 (0.4%) |
83 (0.7%) |
1.85, 1.46-2.34(*1.93, *1.26-2.96) |
| Low Apgar score (<7) at 1 min. |
5667 (5.5%) |
692 (6.5%) |
1.24, 1.14-1.34(*1.18, *1.02-1.36) |
| Preeclampsia | 6400 (5.9%) | 535 (4.7%) | 0.83, 0.66-0.93 (*0.78, *0.76-0.91) |
(* BMI included).