Table 2.
Maternal characteristics (n=83 mothers).
| Mean ± 1 SD (range) or n (%) | |
|---|---|
| Age (years) | 30 ± 5.4 (18, 42) |
| First trimester BMI (kg/m2) | 29 ± 8.2 (17, 60) |
| Weight change (kg)1 | 9.7 ± 5.6 (−7.7, 23) |
| Race/ethnicity | |
| African American | 32 (39) |
| Caucasian | 31 (37) |
| Hispanic | 20 (24) |
| Education | |
| ≤ High school | 35 (42) |
| College (some or completed) | 31 (37) |
| Graduate school | 17 (20) |
| Parity | |
| 0 | 28 (34) |
| 1 | 25 (30) |
| ≥2 (range: 2–5) | 30 (36) |
| BMI class1 | |
| Underweight or normal weight | 29 (35) |
| Overweight | 24 (29) |
| Obese | 29 (35) |
| IOM weight gain guidelines1 | |
| Below | 22 (27) |
| Within | 34 (42) |
| Above | 25 (31) |
| Antibiotic treatment between first/second blood draws | |
| 0 times | 54 (65) |
| 1 time | 16 (19) |
| ≥2 times (range: 2–7) | 13 (16) |
| Flu vaccine | |
| No | 59 (71) |
| Yes | 22 (27) |
| Uncertain | 2 (2) |
| Did you drink alcohol prior to this pregnancy? | |
| No | 37 (45) |
| Yes | 46 (55) |
| Alcohol consumption during pregnancy | |
| No | 82 (99) |
| Yes | 1 (1) |
| Were you ever a smoker? | |
| No | 65 (78) |
| Yes | 18 (22) |
| Smoking during pregnancy | |
| No | 81 (98) |
| Yes | 2 (2) |
BMI (body mass index), IOM (Institute of Medicine), n (sample size), SD (standard deviation)
1
Sample size: BMI (n=82), BMI categorical (n=82), Weight change (n=81), IOM (n=81)