Effectiveness of Primary Care-Based Interventions to Promote Breastfeeding: Table 2. Results of Meta-analyses of Studies of Education and Support

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Breastfeeding	Main Effects (Meta-Regression)			Combined Effects
Breastfeeding	Studies (Subjects) No.	Education Mean Difference % (95% CI)	Support Mean Difference % (95% CI)	Studies (Subjects) No.	Education plus Support Mean difference % (95% CI)
Initiation	8 (1,060)	23 (12-34)	6 (-2-15)	2 (170)	21 (7-35)
Short-term	10 (1,408)	39 (27-50)	11 (3-19)	2 (163)	36 (22-49)
Long-term	7 (1,601)	4 (-6-16)	8 (2-16)	2 (168)	13 (1-25)

Note: CI=confidence interval.