Table 1.
Characteristicsa | Anemic (N=270) | Non-anemic (N=1822) | P-value |
---|---|---|---|
Age (years) | 75.2 (0.6) | 73.6 (0.2) | 0.007 |
Sex, women (%) | 48.1 | 58.2 | 0.026 |
Race, Black (%) | 19.1 | 6.8 | <0.0001 |
Body mass index, kgm−2 (%) | |||
<18.5 | 4.2 | 2.8 | 0.09 |
18.5–24.9 | 31.7 | 34.4 | |
25.0–29.9 | 46.7 | 37.6 | |
≥30 | 17.4 | 25.2 | |
Education <12 years (%) | 53.1 | 41.8 | 0.01 |
Current smokers (%) | 14.3 | 23.2 | 0.13 |
Serum selenium (μmol l−1)b | 1.51 (1.47, 1.56) | 1.60 (1.59, 1.61) | 0.0003 |
Hypertension (%) | 52.3 | 46.5 | 0.21 |
Osteoarthritis (%) | 28.3 | 16.4 | 0.01 |
Diabetes (%) | 20.3 | 11.3 | 0.003 |
Congestive heart failure (%) | 10.8 | 7.5 | 0.16 |
Stroke (%) | 9.9 | 8.4 | 0.5 |
Angina (%) | 34.9 | 31.9 | 0.5 |
Cancer (%) | 24.3 | 21.7 | 0.5 |
Myocardial infarction (%) | 13.4 | 12.9 | 0.87 |
Cardiovascular disease (%) | 42.9 | 39.9 | 0.51 |
Renal disease (%) | 21.2 | 5.6 | 0.0001 |
Population-weighted means and percentages.
Geometric mean (95% CI).