Smoking status at baseline | N=850 | Per cent | 95% CI |
---|---|---|---|
Completely stopped smoking at some time in the 3 months prior to pregnancy | 61 | 7.2 | 5.6 to 9.1 |
Completely stopped smoking after finding out pregnant | 301 | 35.4 | 32.2 to 38.6 |
Smoke occasionally, not every day now pregnant | 117 | 13.8 | 11.6 to 16.2 |
Smoke everyday, cut down during pregnancy | 304 | 35.8 | 32.6 to 39.0 |
Smoke everyday, same as before pregnancy | 64 | 7.5 | 5.9 to 9.5 |
Smoke everyday, more than before pregnancy | 3 | 0.4 | 0.01 to 1 |