Table 1. Descriptive statistics overall and based on race at baseline .
| All | Whites | Blacks | ||||
| Mean (SE) | 95% CI | Mean (SE) | 95% CI | Mean (SE) | 95% CI | |
| Age | 47.79 (0.53) | 46.72-48.86 | 47.98 (0.60) | 46.77-49.19 | 46.37 (0.71) | 44.93-47.81 |
| Incomea | 5.41 (0.09) | 5.22-5.60 | 5.57 (0.10) | 5.36-5.77 | 4.25 (0.18) | 3.88-4.62 |
| Exercisea | 0.02 (0.03) | -0.03-0.07 | 0.06 (0.03) | 0.00-0.11 | -0.22 (0.05) | -0.33-0.12 |
| Educationa | 12.53 (0.10) | 12.34-12.73 | 12.69 (0.11) | 12.48-12.90 | 11.37 (0.23) | 10.90-11.84 |
| % (SE) | 95 % CI | % (SE) | 95 % CI | % (SE) | 95 % CI | |
| Gender | ||||||
| Male | 47.26 (0.01) | 44.86-49.68 | 47.82 (0.01) | 45.12-50.52 | 43.18 (0.02) | 38.79-47.69 |
| Female | 52.74 (0.01) | 50.32-55.14 | 52.18 (0.01) | 49.48-54.88 | 56.82 (0.02) | 52.31-61.21 |
| HTNa | 21.37 (0.01) | 19.67-23.17 | 19.77 (0.01) | 18.11-21.53 | 33.17 (0.03) | 28.20-38.54 |
| DMa | 5.73 (0.00) | 4.80-6.82 | 5.25 (0.01) | 4.24-6.50 | 9.22 (0.01) | 7.75-10.95 |
| Obesitya | 14.47 (0.01) | 12.86-16.24 | 13.52 (0.01) | 11.72-15.54 | 21.45 (0.02) | 17.88-25.52 |
| Smokinga | 30.45 (0.01) | 27.81-33.23 | 29.70 (0.01) | 26.85-32.72 | 35.98 (0.03) | 30.81-41.49 |
| Drinkinga | 60.02 (0.02) | 56.68-63.26 | 61.50 (0.02) | 58.06-64.83 | 49.10 (0.03) | 43.55-54.68 |
| Renal death | 0.52 (0.00) | 0.26-1.03 | 0.44 (0.00) | 0.18-1.06 | 1.15 (0.00) | 0.63-02.09 |
Abbreviations: CES-D, Center for Epidemiologic Studies Depression Scale; HTN, hypertension; DM, diabetes mellitus; SE, standard error.
a P < 0.05.