Table 2 Participant characteristics and descriptive statistics by child sex
Males (n = 66) | Females (n = 66) | |||||
|---|---|---|---|---|---|---|
Maternal Variable | GM(SE) | Median | Range | GM(SE) | Median | Range |
Age (years) | 31.1 (.47) | 31 | 24–40 | 30.1 (.50) | 31 | 20–42 |
Pre-pregnancy BMI | 24.8 (.65) | 24 | 18.4–42.2 | 25.8 (.67) | 25 | 19.1–43.1 |
Total BPA (ng/mL) | 1.10 (.97) | .89 | .16–43.42 | 1.04 (.63) | .98 | .23–39.84 |
Creatinine (mmol/L) | 6.74 (.73) | 7.65 | .80–32.80 | 7.87 (.74) | 8.20 | .90–24.70 |
Infant Variable | ||||||
Gestational age at birth (weeks) | 39.2 (.19) | 39.3 | 33.0–41.7 | 39.3 (.17) | 39.9 | 35.3–41.4 |
Birthweight (grams) | 3448 (72) | 3510 | 2030–4904 | 3273 (54) | 3352 | 2215–4200 |
Baseline cortisol (μg/dL) | .25 (.02) | .24 | .05–1.03 | .24 (.03) | .23 | .06–1.51 |
Percent | Percent | |||||
Household Income | ||||||
< $20,000 | 1.6 | 1.5 | ||||
$20 k – $40 k | 6.3 | 3.0 | ||||
$40 k – $70 k | 4.7 | 18.2 | ||||
$70 k – $100 k | 23.4 | 27.3 | ||||
> $100,000 | 64.1 | 50.0 | ||||
Education | ||||||
High school diploma | 6.3 | 10.6 | ||||
College diploma | 14.1 | 27.3 | ||||
University degree | 79.8 | 62.1 | ||||
Ethnicity | ||||||
White | 80.3 | 86.4 | ||||
Other | 19.7 | 13.6 | ||||
Marital status | ||||||
Married | 92.3 | 83.3 | ||||
Common law | 7.7 | 15.2 | ||||
Single/separated/divorced | 0 | 1.5 | ||||
Nulliparous | 53.0 | 54.5 | ||||