Table 5

Outcome at 30 weeks of pregnancy, combining arms B and C versus arm A

Unadjusted OR (95% CI)Adjusted OR (95% CI)
Self reported smoking
Sustained quit since 20 weeks gestation
    All followed up1.18 (0.64 to 2.16)1.02 (0.51 to 2.03)
    All non-dropouts1.39 (0.75 to 2.55)1.17 (0.60 to 2.30)
    All1.50 (0.83 to 2.74)1.41 (0.65 to 3.06)
Point prevalence quit
    All followed up1.69 (0.95 to 2.99)1.60 (0.84 to 3.05)
    All non-dropouts1.88 (1.11 to 3.18)1.77 (0.99 to 3.19)
    All2.11 (1.21 to 3.67)2.11 (1.14 to 3.88)
Cotinine confirmed
Sustained quit since 20 weeks gestation
    All followed up1.65 (0.71 to 3.84)1.56 (0.60 to 4.05)
    All non-dropouts2.01 (0.86 to 4.67)1.91 (0.76 to 4.84)
    All2.09 (0.90 to 4.85)2.16 (0.88 to 5.31)
Point prevalence quit
    All followed up2.31 (1.12 to 4.80)2.12 (0.95 to 4.77)
    All non-dropouts2.71 (1.31 to 5.63)2.59 (1.17 to 5.74)
    All2.92 (1.42 to 6.03)2.66 (1.23 to 5.75)