Table 1 Distribution of Preeclampsia (PE) Cases and Normotensive Control Subjects According to Selected Characteristics, Seattle and Tacoma, Washington, 1998 - 2002.
From: Telomere length, pre-eclampsia, and gestational diabetes
| Â | PE Cases | Control Subjects | p | ||
|---|---|---|---|---|---|
| Â | (N = 50) | (N = 50) | Â | ||
| Â | n | % | n | % | Â |
Maternal Age (years) | Â | Â | Â | Â | <0.01 |
   20-24 | 19 | 38 | 5 | 10 |  |
   25-29 | 13 | 26 | 14 | 28 |  |
   30-34 | 18 | 36 | 31 | 62 |  |
Maternal Age (years)†| 27.3 ± 0.6 | 29.5 ± 0.5 | <0.01 | ||
Maternal Race/Ethnicity | Â | Â | Â | Â | Â |
   Non-Hispanic White | 50 | 100 | 50 | 100 | .. |
Unmarried | 13 | 26 | 8 | 16 | 0.22 |
≤ 12 years Education | 15 | 30 | 3 | 6 | <0.01 |
Nulliparous | 50 | 100 | 50 | 100 | ... |
Smoked During Pregnancy | 11 | 22 | 7 | 14.8 | 0.06 |
Pre-pregnancy BMI*†| 26.9 ± 0.9 | 22.4 ± 0.4 | <0.01 | ||
Pre-pregnancy BMI* | Â | Â | Â | Â | <0.01 |
   < 20 | 1 | 2 | 13 | 26 |  |
   20-24.9 | 25 | 50 | 27 | 54 |  |
   25-29.9 | 11 | 22 | 8 | 16 |  |
   ≥ 30 | 13 | 26 | 2 | 4 |  |
Annual Household Income (US$) | Â | Â | Â | Â | 0.36 |
   <30,000 | 9 | 18 | 9 | 18 |  |
   30,000-69,999 | 24 | 48 | 17 | 34 |  |
   70,000+ | 17 | 34 | 23 | 46 |  |
   Unknown | 0 | 0 | 1 | 2 |  |
Physical inactive during pregnancy | 24 | 48 | 16 | 32 | 0.10 |
Family history of chronic hypertension | 29 | 58 | 17 | 34 | 0.02 |
Gestational age at delivery (weeks) | 34.4 ± 0.6 | 39.7 ± 0.2 | <0.01 | ||
Time from last meal to blood drawn (hours) | 3.03 ± 0.53 | 1.68 ± 0.19 | 0.02 | ||
Telomere length†| 0.77 ± 0.02 | 0.77 ± 0.02 | 0.75 | ||
   Median (inter-quartile range) | 0.75 (0.66, 0.83) | 0.77 (0.70, 0.84) | 0.56 | ||