Table 2.
Characteristics of participants overall and by randomized assignment
| Characteristics | All Participants1 (n = 52) | OWN SUPP | |
|---|---|---|---|
| Home-sterilized (n = 13) | Washed (n = 39) | ||
| Mothers’ age in years; Mean ± SD | 34 ± 4.0 | 33 ± 4.3 | 34 ± 3.9 |
| Time postpartum in months; Median (IQR) | 5.7 (3.4, 9.6) | 5.7 (2.7, 8.2) | 5.7 (3.5, 10.2) |
| Maternal race, Caucasian n (%) | 45 (86) | 13 (100) | 32 (82) |
| Parity, Primiparous n (%) | 18 (35) | 4 (31) | 14 (36) |
| Gestational weight gain in pounds (GWG); Median (IQR) | 30.0 (25.0, 36.2) | 30.0 (25.0, 30.0) | 30.0 (27.0, 40.0) |
| Maternal Postpartum BMI; Median (IQR) | 25.4 (22.4, 28.4) | 25.6 (24.8, 27.4) | 24.6 (21.8, 28.6) |
| Infant exclusively fed HM n (%) | 27 (52) | 9 (69) | 18 (46) |
| Pre-pumping Hygiene Practices | |||
| Washed hands before pumping, yes n (%) | 8 (15) | 2 (15)2 | 6 (17) |
| – | |||
| Personal pump, open-system | 32 (62) | 10 (77) | 22 (56) |
| Infant fed HM only | 27 (52) | 9 (69) | 18 (46) |
Values reported as Mean ± SD for continuous variables or n (%) for categorical variables. HM, human milk; OWN SUPP, own pumping supplies
1All participants used commercially sterilized (STER SUPP)
2n = 10