Table 2. Proportions of infant and mother characteristics and clinical practices in exclusive and non-exclusive breastfeeding groups.
| Exclusive breastfeeding at discharge | ||||
| (One infant per mother) | Total n/N | Yes % | No % | |
| Multiple births | 263/1221 | 18 | 31 | **** |
| SGA | 191/1211 | 14 | 21 | * |
| Boy | 644/1221 | 51 | 58 | * |
| Maternal education | NS | |||
| High | 403/1207 | 32 | 37 | |
| Intermediate | 567/1207 | 47 | 48 | |
| Low | 237/1207 | 21 | 16 | |
| Breastfeeding experience, lenght of excl. BF | **** | |||
| > 4 months | 196/1171 | 19 | 10 | |
| 1 – 4 months | 167/1171 | 14 | 15 | |
| < 1 month | 21/1171 | 1 | 3 | |
| Not breastfed previous infants | 27/1171 | 1 | 5 | |
| First-time mothers | 760/1171 | 64 | 67 | |
| Maternal smoking | 123/1210 | 8 | 15 | *** |
| Mode of delivery, caesarean section | 614/1219 | 48 | 57 | ** |
| Mother admitted together with infant to the NICU | 344/1207 | 31 | 22 | ** |
| First breast milk expression | ** | |||
| < 6 hours pp | 255/1183 | 23 | 19 | |
| 6 – 12 hours pp | 469/1183 | 41 | 38 | |
| 12 – 24 hours pp | 288/1183 | 25 | 24 | |
| 24 – 48 hours pp | 141/1183 | 11 | 15 | |
| > 48 hours pp | 30/1183 | 2 | 5 | |
| Been skin-to-skin with mother within 6 hours pp | 700/1217 | 61 | 48 | **** |
| Nipple shield use | 629/1160 | 49 | 66 | **** |
| Pacifier use | **** | |||
| No pacifier | 132/1144 | 13 | 7 | |
| Minimizing use of a pacifier | 337/1144 | 34 | 19 | |
| Unrestricted use | 675/1144 | 53 | 73 | |
| Test-weighing at most breastfeedings | 351/1160 | 32 | 25 | * |
* = p < 0,05, ** = p< 0,01, *** = p< 0,001, **** = p< 0,0001.
BF = breastfeeding, excl. = exclusive, n/N = number of infants or mothers with the characteristic/number of responses, NS = Non-significant, pp = postpartum, SGA = Small for gestational age.