Table 1.
Descriptive characteristics of the Maternal and Children Health study and the subset of 82 mother-infant pairs
| Sub-study of MDPs (N=82) | MACHS parent cohort (N=232) | ||||
|---|---|---|---|---|---|
| N | % | N | % | p-value | |
| Hispanic ethnicity | 75 | 91.5 | 203 | 87.5 | 0.33 |
| Male infant | 42 | 51.2 | 115 | 50.4 | 0.90 |
| Maternal smoking during pregnancy | 4 | 4.9 | 21 | 9.1 | 0.23 |
| Family Income | |||||
| Less than $15,000 | 24 | 29.3 | 66 | 28.5 | 0.38 |
| $15,000 to $29,999 | 29 | 35.4 | 64 | 27.6 | |
| $30,000 to $49,999 | 10 | 12.2 | 22 | 9.5 | |
| $50,000 or more | 3 | 3.6 | 7 | 3.0 | |
| Caesarean Section | 30 | 37.8 | 82 | 36.4 | 0.59 |
| Parity | |||||
| 0 | 39 | 47.6 | 115 | 50.4 | 0.85 |
| 1 | 23 | 28.1 | 57 | 25.0 | |
| 2+ | 20 | 24.4 | 27 | 11.8 | |
| Pre-Pregnancy Weight | |||||
| Underweight | 26 | 31.7 | 59 | 25.4 | 0.59 |
| Normal | 16 | 19.5 | 54 | 23.3 | |
| Overweight | 22 | 26.8 | 57 | 24.6 | |
| Obese | 18 | 22.0 | 59 | 25.4 | |
| Gestational Diabetes (GDM) | |||||
| Normal | 44 | 53.0 | 137 | 59.1 | 0.97 |
| Intolerance | 2 | 2.4 | 5 | 2.2 | |
| GDM | 5 | 6.0 | 15 | 6.5 | |
| Mean | SD | Mean | SD | p-value | |
| Gestational age (weeks) | 38.7 | 1.6 | 38.5 | 2.1 | 0.42 |
| Maternal age | 27.5 | 7.1 | 27.6 | 6.5 | 0.89 |
| Birthweight (grams) | 3222.3 | 476.4 | 3193.0 | 544.3 | 0.67 |
P-values for categorical characteristics derived using Pearson chi-square test unless otherwise noted; p-values for continuous characteristics derived using t-test. Missing values were not included.