Table 2

Combinations of maternal smoking in pregnancy and paternal smoking after pregnancy in SIDS cases and controls with crude odds ratios (OR) in Scandinavia 1992 to 1995, the Nordic epidemiological SIDS study

Mother smoked
in pregnancy
Father smoked
after pregnancy
CasesControlsOR95% CIp
NoYes187.713816.30.80.5 to 1.50.56
YesNo4218.010812.72.61.7 to 4.0<0.001
YesYes9942.514116.64.43.0 to 6.5<0.001
  • CI = confidence interval.