Research Article

Effectiveness of a Smoking Cessation Intervention for Methadone-Maintained Women: A Comparison of Pregnant and Parenting Women

Table 2

Average number of daily cigarettes by time point.

TimePregnantNonpregnant
Mean (SD)Mean (SD) 𝑃

Prior to intervention18.8 (10.1)13.2 (1.0)0.003
Week 1 intervention15.2 (13.8)12.4 (1.1)0.2
Week 6 (end intervention)8.3 (6.5)9.3 (5.6)0.4
1-month followup8.3 (5.9)8.6 (5.9)0.8
3-month followup7.9 (7.5)8.5 (6.4)0.7