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Smoking cessation interventions: feedback vs less intensive intervention
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Abstinence in late pregnancy: biochemically validated | 2 | 319 | Risk Ratio (M-H, Random, 95% CI) | 1.19 [0.45, 3.12] |
| 1.1 Single interventions | 1 | 79 | Risk Ratio (M-H, Random, 95% CI) | 0.60 [0.16, 2.22] |
| 1.2 Multiple interventions | 1 | 240 | Risk Ratio (M-H, Random, 95% CI) | 1.69 [0.89, 3.20] |
