Table 2 Baseline characteristics in women in SOF lead ancillary study by blood lead concentrations
From: Association of blood lead concentrations with mortality in older women: a prospective cohort study
Characteristics by blood lead concentration | < 8 μg/dL (< 0.384 μmol/L) N = 453 | ≥ 8 μg/dL (≥ 0.384 μmol/L) N = 79 | P value |
|---|---|---|---|
All cause mortality, n (col %) | 96 (21) | 27 (34) | 0.011 |
Age (years), mean ± SD | 70 ± 4 | 70 ± 5 | 0.196 |
Body mass index (kg/m2)), mean ± SD | 27 ± 5 | 26 ± 4 | 0.075 |
Education (years), mean ± SD | 12 ± 3 | 13 ± 3 | 0.415 |
Alcohol (drinks/wk), mean ± SD | 1.5 ± 3 | 2.9 ± 5 | 0.003 |
Current smoker, n (%) | 46 (10) | 20 (25) | 0.001 |
Hypertension, n (%) | 128 (28) | 25 (32) | 0.539 |
Diabetes, n (%) | 48 (11) | 7 (9) | 0.644 |
Current estrogen use, n (%) | 60 (13) | 7 (9) | 0.281 |
Walk for exercise (yes/no), n (%) | 183 (40) | 30 (38) | 0.696 |
Total hip, bone density (g/cm2), mean ± SD | 0.77 ± 0.13 | 0.72 ± 0.12 | < 0.006 |