Intervention cohort | Control cohort | ||||||
---|---|---|---|---|---|---|---|
Maternal smoking prevalence | % | 95% CI | % | 95% CI | aOR | 95% CI | p-value |
At the beginning of pregnancy | 21.7 | 19.4–24.1 | 25.1 | 22.7–27.6 | 0.78 | 0.61–1.00 | 0.05 |
At inclusion | 4.9 | 3.5–6.4 | 7.1 | 5.6–8.6 | 0.63 | 0.42–0.95 | 0.03 |
6 weeks postnatal | 5.8 | 4.3–7.4 | 7.6 | 6.0–9.2 | 0.72 | 0.49–1.06 | 0.09 |
Paternal smoking prevalence | |||||||
At the beginning of pregnancy | 21.9 | 19.2–24.6 | 24.7 | 21.8–27.5 | 0.86 | 0.69–1.07 | 0.17 |
At inclusion | 17.0 | 14.5–19.5 | 21.2 | 18.5–23.9 | 0.76 | 0.60–0.97 | 0.03 |
6 weeks postnatal | 14.5 | 12.2–16.9 | 17.9 | 15.4–20.4 | 0.78 | 0.60–1.00 | 0.05 |