Table 1.
Description of mothers and fathers with singleton deliveries (n=235).
| Characteristicsa |
Maternal Mean ± SD or n (%) |
Paternal Mean ± SD or n (%) |
|---|---|---|
| Age (years) | 29.75 ± 3.73 | 31.52 ± 4.57 |
| BMI (kg/m2) | 26.45 ± 6.48 | 29.28 ± 5.34 |
| Race/ethnicity | ||
| non-Hispanic white | 196 (83.4) | 198 (83.9) |
| Hispanic | 20 (8.5) | 21 (8.9) |
| Other b | 19 (8.1) | 17 (7.2) |
| Education | ||
| <College | 9 (3.8) | 7 (3.0) |
| ≥College | 226 (96.2) | 228 (97.0) |
| Household income | ||
| ≤30,000–49,999 | 30 (13.0) | 25 (10.7) |
| 50,000–69,999 | 29 (12.6) | 37 (15.8) |
| ≥70,000 | 172 (74.5) | 172 (73.5) |
| Health Insurance | ||
| No | 6 (2.6) | 11 (4.7) |
| Yes | 229 (97.5) | 225 (95.3) |
| Urine creatinine (mg/dL) c | 62.55 ± 2.40 | 116.78 ± 2.08 |
| Serum lipids (ng/g serum) c | 607.56 ± 1.19 | 699.94 ± 1.29 |
| Serum cotinine (ng/mL): | ||
| ≥100 (Active exposure) | 11 (4.7) | 24 (10.3) |
| < 100 (Passive exposure) | 220 (94.4) | 207 (89.2) |
| Gravidity (# pregnancies) | 1.06 ± 1.23 | 1.00 ± 1.09 |
| Parity (# live births) | 0.70 ± 0.81 | 0.69 ± 0.75 |
| Prior preterm delivery | ||
| No | 120 (95.2) | - |
| Yes | 6 (4.8) | - |
| Prior LBW delivery | ||
| No | 116 (92.1) | - |
| Yes | 10 (7.9) | - |
BMI, body mass index; LBW, low birth weight.
a
Categories may not add up to n=235 due to missing values for some variables, or may exceed 100% due to rounding error;
b‘
Other’ includes non-Hispanic black, multiracial, American Indian/Alaska Native, Asian, Native Hawaiian/Pacific Islander;
c
Geometric values.