Table 1.
Demographics for Maternal–Infant Characteristics.
| Characteristics | Mean ± SD or % (Frequency) or Range | |||
|---|---|---|---|---|
| Maternal | Normal | Overweight | Obese | p-Value |
| (N = 12) | (N = 11) | (N = 13) | ||
| Age (yrs) | 29.1 ± 5 | 30.6 ± 1.2 | 32 ± 4 | 0.238 |
| Race (% (n/N)) | 0.030 * | |||
| White (non-hispanic) | 50 (6/12) | 90.09 (10/11) | 92.3 (12/13) | |
| Hispanic | 50 (6/12) | 9.09 (1/11) | 7.6 (1/13) | |
| BMI (kg/m2) (Mean ± SD) | 22.4 ± 1.6 | 27.0 ± 1.2 | 36.8 ± 6.2 | 0.000 ** |
| Post Pregnancy (at the time of study) | ||||
| Total number of births (% (n/N)) | 0.007 ** | |||
| Primiparous | 58.3 (7/12) | 9.1 (1/11) | 7.6 (1/13) | |
| Multiparous | 41.7 (5/12) | 90.9 (10/11) | 46.1 (12/13) | |
| Previous breastfeeding experience (% (n/N)) | 0.007 ** | |||
| Yes | 33.3 (5/12) | 90.9 (10/11) | 92.3 (12/13) | |
| No | 58.3 (7/12) | 9.1 (1/11) | 7.7 (1/13) | |
| Primary mode of feeding (% (n/N)) | 0.603 | |||
| Breast only | 66.6 (8/12) | 81.8 (9/11) | 84.6 (11/13) | |
| Breast and Pump | 33.4 (4/12) | 18.2 (2/11) | 15.4 (2/13) | |
| Exercise | ||||
| Yes (% (n/N)) | 41.6 (5/12) | 36.3 (4/11) | 38.4 (5/13) | 1.000 |
| Times/week | 3–7 | 3–4 | 2–3 | |
| Hours/week | 1–3 | 2–5 | 1–5 | |
| Infant | ||||
| Sex (% (n/N)) | 0.839 | |||
| Male | 58.3 (7/12) | 45.4 (5/11) | 46.3 (6/13) | |
| Female | 41.6 (5/12) | 54.5 (6/11) | 53.8 (7/13) | |
| Weight (lbs) (Mean ± SD) | ||||
| At birth | 6.9 ± 0.7 | 7.6 ± 1 | 8.1 ± 1.2 | 0.019 * |
| At 4–8 weeks | 9.6 ± 1.5 | 10.2 ± 1.6 | 9.9 ± 1.8 | 0.697 |
| Feeds per 24 h | 9 ± 1.6 | 9.2 ± 2.3 | 9.8 ± 1.8 | 0.550 |