Table 1 Maternal and Infant Demographics.
From: Mother infant cortisol levels and maternal childhood adversity
N | Minimum | Maximum | Mean/Count | Std. Deviation/% | |
|---|---|---|---|---|---|
INFANT | |||||
Age at baseline (days) | 334 | 14 | 70 | 32.32 | 9.05 |
Age at 6-months (days) | 203 | 157 | 255 | 203.22 | 18.6 |
Sex | |||||
Female | 181 | 50.60% | |||
Male | 177 | 49.40% | |||
Birth weight (g) | 347 | 2500 | 4500 | 3291.74 | 406.83 |
Birth height (cm) | 332 | 43 | 56.50 | 48.76 | 1.85 |
Type of birth | 334 | ||||
Vaginal delivery | 205 | 61.4% | |||
Cesarean section | 125 | 37.4% | |||
Forceps delivery | 4 | 1.2% | |||
Feeding at baseline | 348 | ||||
Breastfeeding | 252 | 72.4% | |||
Formula | 31 | 8.9% | |||
Mixed (Breastfeeding + Formula) | 65 | ||||
MOTHER | |||||
Age (years) | 358 | 18 | 38 | 27.30 | 5.13 |
ACEs | 358 | 0 | 10 | 3.53 | 2.35 |
Race and ethnicity | 358 | ||||
White | 125 | 34.9% | |||
Black | 142 | 39.7% | |||
Asian | 63 | 17.6% | |||
Mixed-race | 27 | 7.5% | |||
Indigenous | 1 | 0.3% | |||
Socioeconomic class and status | 356 | ||||
U$ 4745,29 (A1) | 2 | 0.6% | |||
U$ 2094,47 (B1) | 4 | 1.1% | |||
U$ 1047,62 (B2) | 28 | 7.9% | |||
U$ 572,96 (C1) | 75 | 21.1% | |||
U$ 324,70 (C2) | 128 | 36.0% | |||
U$ 133,66 (DE) | 119 | 33.4% | |||
Education | 357 | ||||
Completed elementary school | 4 | 1.10% | |||
Incomplete middle school | 6 | 1.70% | |||
Complete middle school | 9 | 2.50% | |||
Incomplete high school | 65 | 18.20% | |||
Complete high school | 141 | 39.50% | |||
Incomplete higher education | 53 | 14.80% | |||
Complete higher education | 79 | 22.10% | |||
MATERNAL AND INFANT | |||||
Cortisol collection time (baseline) | 325 | 7:05 AM | 12:39 PM | 9:39 AM | 1:05 |
Cortisol collection time (6-months) | 203 | 8:30 AM | 6 PM | 12:44 PM | 2:05 |
