Table 1 Demographic characteristics of the mothers and children in the maternal immune and maternal non-immune groups (n = 363).
Full cohort | Maternal immune | Maternal non-immune | p valuea | |
|---|---|---|---|---|
Number of participants, n (%) | 363 | 99 | 264 | |
Mother’s education, n (%)b | 0.644 | |||
High school graduate or less | 26 (7.16) | 4 (4.04) | 22 (8.3) | |
Technical/vocational | 37 (10.19) | 12 (12.12) | 25 (9.47) | |
Some college credit | 59 (16.25) | 19 (19.19) | 40 (15.15) | |
Associate degree | 47 (12.95) | 12 (12.12) | 35 (13.26) | |
Bachelor’s degree | 96 (26.45) | 29 (29.29) | 67 (25.38) | |
Professional, Master’s, or Doctorate degree | 47 (12.95) | 15 (15.15) | 32 (12.12) | |
Annual family income, n (%)b | 0.730 | |||
≤$29 000 | 38 (10.4) | 8 (8.08) | 30 (11.36) | |
$30,000–$49,000 | 44 (12.12) | 15 (15.15) | 29 (10.98) | |
$50,000–$74,999 | 54 (14.88) | 17 (17.17) | 37 (14.02) | |
$75,000–$99,999 | 59 (15.25) | 18 (18.18) | 41 (15.53) | |
$100,000–$149,999 | 48 (13.22) | 11 (11.11) | 37 (14.02) | |
≥$150,000 | 48 (13.22) | 14 (14.14) | 34 (12.88) | |
Mother’s age at childbirth, mean (SD) | 31.57 (5.35) | 31.87 (4.87) | 31.46 (5.53) | 0.528 |
Offspring race, n (%)b | 0.517 | |||
Asian | 29 (7.99) | 7 (7.07) | 22 (8.33) | |
Mixed | 41 (11.29) | 11 (11.11) | 30 (11.36) | |
Other | 31 (8.54) | 6 (6.06) | 25 (6.87) | |
White/Caucasian | 229 (63.09) | 71 (71.72) | 158 (59.85) | |
Offspring age, median (IQR) | 3.07 (2.64–3.36) | 2.98 (2.53–3.23) | 3.15 (2.70–3.38) | 0.013c |
Offspring sex, n (%) | 0.009 | |||
Male | 252 (69.42) | 79 (79.80) | 173 (65.53) | |
Female | 111 (30.58) | 20 (20.20) | 91 (34.47) |