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Table 3 Marginal probabilities of smoking cessation and marginal change in number of cigarettes smoked between first and third trimestera

From: Home visiting and perinatal smoking: a mixed-methods exploration of cessation and harm reduction strategies

 

Clients

Comparisons

 

Estimate (95 % CI)

Estimate (95 % CI)

p-value

Probability of smoking cessation

 <10 cigarettes per day at baseline

0.45 (0.42, 0.49)

0.38 (0.37, 0.40)

<0.01

 10–19 cigarettes per day at baseline

0.22 (0.19, 0.25)

0.20 (0.19, 0.22)

0.43

 ≥20 cigarettes per day at baseline

0.16 (0.13, 0.19)

0.12 (0.11, 0.13)

0.01

Change in number of cigarettes smoked

 <10 cigarettes per day at baseline

−2.0 (−2.2, −1.8)

−1.8 (−2.0, −1.8)

0.17

 10–19 cigarettes per day at baseline

−5.0 (−5.4, −4.7)

−4.8 (−5.0, −4.6)

0.23

 ≥20 cigarettes per day at baseline

−14.0 (−14.9, −13.1)

−12.5 (−13.0, −12.0)

<0.01

  1. aEstimate obtained from multivariable regression model, adjusted for maternal age at birth, marital status, and prior receipt of Temporary Assistance for Needy Families (TANF)