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. Author manuscript; available in PMC: 2014 May 15.
Published in final edited form as: Cochrane Database Syst Rev. 2013 Oct 23;10:CD001055. doi: 10.1002/14651858.CD001055.pub4

Comparison 10.

Maternal health intervention with smoking cessation component: social support vs less intensive intervention

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Abstinence in late pregnancy 2 316 Risk Ratio (M-H, Random, 95% CI) 0.80 [0.46, 1.39]
 1.1 Single interventions 1 66 Risk Ratio (M-H, Random, 95% CI) 0.45 [0.09, 2.16]
 1.2 Tailored interventions 1 250 Risk Ratio (M-H, Random, 95% CI) 0.86 [0.48, 1.57]
2 Abstinence in late pregnancy: biochemically validated 1 250 Risk Ratio (M-H, Random, 95% CI) 0.86 [0.48, 1.57]
 2.1 Tailored interventions 1 250 Risk Ratio (M-H, Random, 95% CI) 0.86 [0.48, 1.57]