Table 1.
Description of included studies
| Authors (year) | Country/setting | Primiparous (%) | Experimental group baseline n | Control group baseline n | Experimental group mean age (SD) | Control group mean age (SD) | BF outcomes |
|---|---|---|---|---|---|---|---|
| Randomized control trials | |||||||
| Bunik et al. (2010) | United States/ mother‐baby unit/ Hispanic population is more than 95% Mexican American | 100 | 161 | 180 | NR (NR) | NR (NR) | BF self‐efficacy (BSES‐SF), BF rates |
| Chan et al. (2016) | China/ hospital with the highest birth rate among Hong Kong public hospitals | 100 | 35 | 36 | 32.6 (3.5) | 31.4 (4.2) | BF self‐efficacy (BSES‐SF), BF rates |
| Edwards et al. (2013) | United States /in the process of obtaining the BFH certification | 100 | 7 | 8 | NR (NR) | NR (NR) | BF self‐efficacy (BSES‐SF) |
| Joshi et al. (2016) | United States | NA | 23 | 23 | NR (NR) | NR (NR) | BF self‐efficacy (BSES‐SF) |
| Kronborg et al. (2012) | Denmark / hospital had adopted most of the standards of the BFH initiative | NA | 603 | 590 | 28.9 (3.7) | 29.2 (3.7) | BF self‐efficacy (BSES‐SF), BF rates |
| Kronborg et al. (2007) | Denmark/ 2/5 BFH certified, 5/5 had adopted the standards of the BFH initiative | 36 | 780 | 815 | NR (NR) | NR (NR) | BF self‐efficacy, perception of insufficient milk, BF rates |
| McQueen et al. (2011) | Canada | 100 | 69 | 81 | NR (NR) | NR (NR) | BF self‐efficacy (BSES‐SF), BF rates |
| Nichols et al. (2009) | Australia | 53 | 45 | 45 | 29.0 (5.3) |
29.4 (5.9) |
BF self‐efficacy (BSES), BF rates |
| Noel‐Weiss et al. (2006) | Canada | 100 | 47 | 45 | NR (NR) | NR (NR) | BF self‐efficacy (BSES‐SF), BF rates |
| Olenick (2006) | United States/ in private practices | 43 | 86 | 96 | 27.1 (5.1) | 25.8 (4.8) | BF self‐efficacy (BSES‐SF), BF rates |
| Wilhelm et al. (2006) | United States | 100 | 37 | 36 | NR (NR) | NR (NR) | BF self‐efficacy (BSES‐SF), BF rates |
| Wu et al. (2014) | China | 100 | 37 | 37 | 28.4 (2.8) | 27.8 (3.0) | BF self‐efficacy (BSES‐SF), BF rates |
| Quasi‐experimental studies | |||||||
| Awano and Shimada (2010) | Japan/ 1/2 BFH certified/ lactation consultant accessible for all mothers during hospitalization | 100 | 55 | 62 | 30.3 (0.6) | 28.9 (0.4) | BF self‐efficacy (BSES‐SF), BF rates |
| Coffey (2014) | United States/ hospital where it is policy for all breastfed infants to being BF within the first 1 to 2 hours after delivery | 100 | 10 | 10 | 29.9 (NR) 27,8 | 25.7 (NR) | BF self‐efficacy (BSES‐SF), BF rates |
| Hatamleh (2012) | United States/ low‐income white women | 53 | 19 | 17 | 25.0 (NR) | 22.3 (NR) | BF self‐efficacy (BSES), BF rates |
| Hauck et al. (2007) | Australia/ participants were recruited within a highly motivated cohort of BF mothers | NA | 193 | 195 | 32.3 (NR) | 31.7 (NR) | BF self‐efficacy (BSES), BF rates |
| Otsuka et al. (2014) | Japan/ 2/4 BFH certified | 39 | 161 in BFH, 204 in non BFH | 158 in BFH, 312 in non BFH | 31.1 (4.2) in BFH, 30.5 (5.0) in non BFH | 30.1 (4.9) in BFH, 31.1 (4.6) in non BFH | BF self‐efficacy (BSES‐SF), BF rates |
Note. BF = breastfeeding; BFH = baby friendly hospital; BSES = breastfeeding self‐efficacy scale; BSES‐SF = Breastfeeding Self‐Efficacy Scale Short Form; NR = not reported.