Characteristic | Cases (n = 41) | Controls (n = 41) | p-value |
---|---|---|---|
Pre-pregnancy BMI (kg/m2) | 26.653 (5.733) | 26.410 (5.422) | p = 0.7635 |
Maternal Age (years) | 33.171 (4.652) | 33.487 (4.853) | p = 0.7635 |
Gravidity |  |  | p = 0.3891 |
 1 | 8 (19.51%) | 4 (9.76%) |  |
 2 | 11 (26.83%) | 16 (39.02%) |  |
 3 | 13 (31.71%) | 10 (24.39%) |  |
  > 4 | 8 (19.51%) | 11 (26.83%) |  |
Smoke during Pregnancy | |||
 No | 38 (92.683%) | 38 (92.683%) | p = 1 |
 Yes | 3 (7.317%) | 3 (7.317%) |  |
Infant Sex | |||
 Males | 20 (48.78%) | 21 (48.78%) | p = 1 |
 Females | 21 (51.22%) | 20 (51.22%) |  |
Ethnicity | |||
 Non-Hispanic White | 23 (56.098%) | 23 (56.098%) | p = 0.9437 |
 Hispanic or Latino | 5 (12.195%) | 4 (9.756%) |  |
 Asian/Pacific Islander | 7 (17.073%) | 6 (14.634%) |  |
 Black/African-American | 6 (14.634%) | 8 (19.512%) |  |
Conception | |||
 Spontaneous planned | 24 (58.537%) | 24 (58.537%) | p = 1 |
 Spontaneous unplanned | 12 (29.268%) | 12 (29.268%) |  |
 Ovulation-induction drug | 2 (4.878%) | 2 (4.878%) |  |
 IVF | 3 (7.317%) | 3 (7.317%) |  |
 Gestational Age (weeks) | 39.077 (0.932) | 39.206 (1.047) | p = 0.5576 |