Female
(N=181)
Male
(N=221)
P-value
Household annual income
1 31 (17.1%) 23 (10.4%) 0.119
2 52 (28.7%) 55 (24.9%)
3 38 (21.0%) 47 (21.3%)
4 10 (5.5%) 20 (9.0%)
5 9 (5.0%) 22 (10.0%)
6 29 (16.0%) 37 (16.7%)
Missing 12 (6.6%) 17 (7.7%)
Smoker in Home During Pregnancy
0 135 (74.6%) 156 (70.6%) 0.436
1 46 (25.4%) 65 (29.4%)
Maternal Education: 1= high school or less, 0=Above high school degree
0 92 (50.8%) 145 (65.6%) 0.004
1 89 (49.2%) 76 (34.4%)
Mother's marital status during pregnancy: Married = 0, single = 1, other = 2
0 73 (40.3%) 100 (45.2%) 0.606
1 25 (13.8%) 29 (13.1%)
2 83 (45.9%) 92 (41.6%)
Gestational Age
Mean (SD) 39.2 (1.22) 39.2 (1.26) 0.731
Median [Min, Max] 39.0 [37.0, 41.6] 39.0 [37.0, 43.0]
Mother's age at Birth
Mean (SD) 29.8 (5.89) 29.6 (5.55) 0.726
Median [Min, Max] 29.6 [18.4, 42.0] 30.0 [18.6, 42.7]
Mom race/ethnicity: 0=white, 1=black, 2=hispanic, 3=other
0 34 (18.8%) 48 (21.7%) 0.276
1 69 (38.1%) 86 (38.9%)
2 71 (39.2%) 70 (31.7%)
3 6 (3.3%) 14 (6.3%)
Missing 1 (0.6%) 3 (1.4%)
Child race: 0=white, 1=black, 2=hispanic, 3=other
0 29 (16.0%) 37 (16.7%) 0.422
1 72 (39.8%) 83 (37.6%)
2 68 (37.6%) 76 (34.4%)
3 12 (6.6%) 25 (11.3%)
Maternal ever had atopy?
0 97 (53.6%) 107 (48.4%) 0.351
1 84 (46.4%) 114 (51.6%)
Antioxidant Index
Mean (SD) 47.7 (22.6) 49.3 (23.7) 0.529
Median [Min, Max] 46.4 [3.86, 94.3] 48.3 [4.14, 95.6]
Missing 36 (19.9%) 50 (22.6%)