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Table 1 Age-adjusted characteristics of participants according to term birth weight category at baseline (1991)

From: Joint association between birth weight at term and later life adherence to a healthy lifestyle with risk of hypertension: a prospective cohort study

  Term birth weight categories (kg)
  <2.5 2.5–3.15 3.16–3.82 3.83–4.49 ≥4.5
N (52,114) 1,763 15,346 27,253 7,064 688
Percentage, % 3.4 29.4 52.3 13.6 1.3
Age, years* 36.4 ± 4.6 35.6 ± 4.6 35.6 ± 4.6 35.1 ± 4.6 35.7 ± 4.5
Body mass index, kg/m2 23.3 ± 4.2 23.4 ± 4.3 23.6 ± 4.2 24.0 ± 4.4 24.6 ± 4.8
Total energy intake, kcal/d 1791 ± 565 1779 ± 746 1800 ± 539 1806 ± 543 1796 ± 558
DASH score 23.5 ± 5.1 23.7 ± 5.1 23.9 ± 5.1 24.0 ± 5.1 24.1 ± 5.3
Alcohol intake, g/d 2.9 ± 5.4 3.2 ± 5.9 3.2 ± 5.8 3.0 ± 5.9 2.9 ± 5.2
Current smoking, % 12.3 11.3 11.1 11.3 9.5
Moderate/vigorous intensity exercise, h/wk 2.5 ± 3.8 2.5 ± 3.9 2.5 ± 3.9 2.5 ± 3.8 2.8 ± 4.8
Family history of hypertension, % 51.5 48.5 47.7 49.3 54.7
White, % 93.5 93.2 95.5 96.0 94.3
Use of oral contraceptive pills, % 12.5 11.2 11.2 11.3 12.1
Use of supplemental folic acid, % 41.6 43.0 43.3 42.9 44.1
Supplemental folic acid intake, μg/d 147 ± 239 160 ± 257 161 ± 258 166 ± 263 161 ± 248
Nonnarcotic analgesic use at least once per week, %     
 Aspirin or aspirin-containing products 10.7 10.2 9.7 9.4 11.0
 Ibuprofen 17.9 16.9 16.4 16.3 17.7
 Acetaminophen 22.7 19.9 19.3 19.2 22.5
  1. Values are means ± standard deviation (SD) or percentages and are standardized to the age distribution of the study population
  2. *Value is not age adjusted
  3. DASH Dietary Approaches to Stop Hypertension
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