Table 1 Age standardized characteristics at blood draw/buccal cell collection and control selection
From: Genetic variability in IGF-1 and IGFBP-3 and body size in early life
NHSI | NHSII | |
|---|---|---|
(n = 3499) | (n = 1068) | |
Age at blood draw/buccal cell collection, mean (SD)a | 59.6 (7.7) | 44.9 (4.3) |
Somatotype at age 5b, mean (SD) | 2.3 (1.3) | 2.5 (0.9) |
Somatotype at age 10b, mean (SD) | 2.5 (1.3) | 2.8 (1.0) |
BMI at age 18, mean (SD) | 21.2 (2.7) | 21.1 (2.2) |
Birthweightb, N (%) | ||
<5.5 lbs | 329 (12.0) | 84 (8.8) |
10+ lbs | 79 (2.9) | 12 (1.3) |
DNA from blood, N (%) | 3132 (89.5) | 1068 (100) |
Menopausal status/Post-menopausal hormone (PMH) use at blood draw/buccal cell collectionb, N (%) | ||
Premenopausal | 764 (24.0) | 680 (68.2) |
Postmenopausal-PMH non-user | 1574 (49.5) | 136 (13.6) |
Postmenopausal-PMH user | 843 (26.5) | 182 (18.2) |
Menopausal status/Post-menopausal hormone (PMH) use at reference dateb, N (%) | ||
Premenopausal | 508 (16.0) | 479 (47.7) |
Postmenopausal-PMH non-user | 1479 (46.8) | 37 (3.7) |
Postmenopausal-PMH user | 1171 (37.1) | 487 (48.6) |