Table 5 Effects of different providers of interventions
Provider of intervention | Number of trials | No of events | Effect | Certainty | ||
|---|---|---|---|---|---|---|
Intervention | Control | Relative (95% CI) | Absolute (95% CI) | |||
Number of women who do not initiate breastfeeding within 1Â h of birth | ||||||
 Lay | 5 trials | 987/1755 (56.2%) | 1109/1682 (65.9%) | RR 0.79 (0.56 to 1.11) | 138 fewer per 1000 (from 73 more to 290 fewer) | Low |
 Non-lay | 2 trials | 51/158 (32.3%) | 79/136 (58.1%) | RR 0.58 (0.37 to 0.90) | 244 fewer per 1000 (from 58 fewer to 366 fewer) | Moderate |
Number of women who stop any breastfeeding before 4–6 weeks postpartum | ||||||
 Lay | 4 trials | 157/458 (34.3%) | 177/438 (40.4%) | RR 0.82 (0.62 to 1.10) | 73 fewer per 1000 (from 40 more to 154 fewer) | Low |
 Non-lay | 24 trials (26 comparisons) | 1018/3596 (28.3%) | 1111/3468 (32.0%) | RR 0.86 (0.77 to 0.96) | 45 fewer per 1000 (from 13 fewer to 74 fewer) | Low |
 Both lay and non-lay | 1 trial | 57/168 (33.9%) | 69/160 (43.1%) | RR 0.79 (0.60 to 1.04) | 91 fewer per 1000 (from 17 more to 173 fewer) | Very low |
Number of women who stop any breastfeeding before 6 months postpartum | ||||||
 Lay | 3 trials | 123/257 (47.9%) | 162/248 (65.3%) | RR 0.71 (0.48 to 1.04) | 189 fewer per 1000 (from 26 more to 340 fewer) | Moderate |
 Non-lay | 23 trials (24 comparisons) | 2359/4158 (56.7%) | 1963/3354 (58.5%) | RR 0.94 (0.89 to 0.99) | 35 fewer per 1000 (from 6 fewer to 64 fewer) | Low |
 Both lay and non-lay | 3 trials | 717/1141 (62.8%) | 316/464 (68.1%) | RR 0.95 (0.88 to 1.02) | 34 fewer per 1000 (from 14 more to 82 fewer) | Moderate |
Number of women who stop exclusive breastfeeding before 4–6 weeks postpartum | ||||||
 Lay | 8 trials (9 comparisons) | 382/930 (41.1%) | 690/1011 (68.2%) | RR 0.64 (0.42 to 0.97) | 246 fewer per 1000 (from 20 fewer to 396 fewer) | Low |
 Non-lay | 21 trials (24 comparisons) | 1851/3105 (59.6%) | 1626/2576 (63.1%) | RR 0.91 (0.85 to 0.96) | 57 fewer per 1000 (from 25 fewer to 95 fewer) | Low |
 Both lay and non-lay | 1 trial (2 comparisons) | 67/240 (27.9%) | 50/120 (41.7%) | RR 0.67 (0.50 to 0.90) | 137 fewer per 1000 (from 42 fewer to 208 fewer) | Moderate |
Number of women who stop exclusive breastfeeding before 6 months postpartum | ||||||
 Lay | 10 trials | 1241/2219 (55.9%) | 1937/2271 (85.3%) | RR 0.67 (0.30 to 1.51) | 281 fewer per 1000 (from 435 more to 597 fewer) | Very low |
 Non-lay | 19 trials 21 comparisons) | 2314/2827 (81.9%) | 2267/2660 (85.2%) | RR 0.97 (0.94 to 0.99) | 26 fewer per 1000 (from 9 fewer to 51 fewer) | Low |
 Both lay and non-lay | 2 trials (3 comparisons) | 160/261 (61.3%) | 133/140 (95.0%) | RR 0.61 (0.18 to 2.05) | 371 fewer per 1000 (from 779 fewer to 997 more) | Very low |
Number of infants fed with bottles during the first 6 months postpartum | ||||||
 Lay | 2 trials | 115/259 (44.4%) | 155/260 (59.6%) | RR 0.65 (0.34 to 1.23) | 209 fewer per 1000 (from 137 more to 393 fewer) | Low |
 Non-lay | 3 trials | 288/490 (58.8%) | 313/461 (67.9%) | RR 0.77 (0.57 to 1.03) | 156 fewer per 1000 (from 20 more to 292 fewer) | Moderate |