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Evid Based Nurs 2:42 doi:10.1136/ebn.2.2.42
  • Treatment

Review: smoking cessation interventions during pregnancy reduce maternal smoking

Smoking cessation intervention (SCI) v usual care (UC) during pregnancy†

Weighted event rates
Outcomes No of trials SCI UC RRR (95% CI) NNT (CI)
†Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article.
Continued smoking 31 (n=9081) 87% 91% 7% (6 to 9) 23 (18 to 29)
Low birth weight 7 (n=6578) 7.0% 8.5% 18% (3 to 31) 68 (37 to 496)

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