From: Association between umbilical cord glucocorticoids and blood pressure at age 3 years
Maternal characteristics at enrollment | Â | Â |
---|---|---|
 | n | Mean (SD) or % |
   Age (years) | 286 | 32.2 (4.9) |
   Pre-pregnancy BMI (kg/m2) | 284 | 24.6 (5.1) |
   Race/ethnicity (%) |  |  |
White | 204 | 71% |
Black | 31 | 11% |
Hispanic | 20 | 7% |
Asian | 13 | 5% |
Other | 18 | 6% |
   Marital status (%) |  |  |
Married | 238 | 83% |
Partner | 26 | 9% |
Other | 22 | 8% |
   Education (%) |  |  |
High school or less | 17 | 6% |
Less than 4 years of college | 73 | 26% |
4 years of college | 100 | 35% |
Graduate degree | 96 | 34% |
   Annual household income (%) |  |  |
<$20 000 | 3 | 1% |
$20 000–$40 000 | 30 | 10% |
$40 000–$70 000 | 65 | 23% |
>$70 000 | 173 | 61% |
Missing | 15 | 5% |
   Smoked 3 months prior to pregnancy (%) | 23 | 8% |
   Pregnancy weight gain (kg) | 283 | 15.6 (5.5) |
   3rd trimester systolic BP (mm Hg) | 285 | 110.9 (8.3) |
   Spontaneous delivery (vs induced) | 186 | 65% |
   Caesarean section (vs vaginal delivery) | 47 | 16% |
Child characteristics | Â | Â |
   Male (%) | 146 | 51% |
   Birth weight (g) | 286 | 3545 (501) |
   Birth weight for gestational age z-value (units) | 286 | 0.2 (0.9) |
   Gestational age (weeks) | 286 | 39.7 (1.3) |
   Cortisol (nmol/liter) | 286 | 343.9 (209.3) |
   Cortisone (nmol/liter) | 286 | 242.7 (81.3) |
   Cortisol/cortisone ratio (units) | 286 | 1.4 (0.6) |
   Systolic BP at age 3 years (mm Hg) | 286 | 93.3 (10.2) |
   Diastolic BP at age 3 years (mm Hg) | 286 | 58.9 (8.0) |
   Weight at age 3 years (kg) | 286 | 15.8 (2.6) |
   Height at age 3 years (cm) | 286 | 97.6 (4.6) |