Table 1.
Variable | Mean (SD) | |
---|---|---|
maternal age | 26.7 (5.5) | |
Characteristic | Category | Count (Percent) |
Insurance type | private | 124 (57.7%) |
public (mi salud) | 80 (37.2%) | |
missing | 11 (5.1%) | |
maternal education | ≤high school/ged | 50 (23.3%) |
some college or technical school | 73 (34%) | |
college degree | 64 (29.8%) | |
master’s degree or higher | 26 (12.1%) | |
missing | 2 (0.9%) | |
household income | <$10,000 | 59 (27.4%) |
≥$10,000 to <$30,000 | 60 (27.9%) | |
≥$30,000 to <$50,000 | 42 (19.5%) | |
≥$50,000 | 25 (11.6%) | |
missing | 29 (13.5%) | |
marital status | single | 51 (23.7%) |
married or living together | 162 (75.3%) | |
missing | 2 (0.9%) | |
parity (# birth) | 0 | 84 (39.1%) |
1 | 77 (35.8%) | |
>1 | 52 (24.2%) | |
missing | 2 (0.9%) | |
infant sex | female | 88 (40.9%) |
male | 114 (53%) | |
missing | 13 (6%) | |
prepregnancy BMI (kg m−2) | ≤25 | 105 (48.8%) |
>25 to ≤30 | 66 (30.7%) | |
>30 | 33 (15.3%) | |
missing | 11 (5.1%) | |
employment status | employed | 123 (57.2%) |
unemployed | 90 (41.9%) | |
missing | 2 (0.9%) | |
smoking | never | 174 (80.9%) |
ever | 36 (16.7%) | |
current | 3 (1.4%) | |
missing | 2 (0.9%) | |
exposure to secondhand smoking | none | 186 (86.5%) |
up to 1 h | 8 (3.7%) | |
more than 1 h | 14 (6.5%) | |
missing | 7 (3.3%) | |
alcohol consumption | none | 92 (42.8%) |
before pregnancy | 109 (50.7%) | |
within the last few months | 12 (5.6%) | |
missing | 2 (0.9%) |