Table 1.

Summary of descriptive statistics in the sample.

	Mean (SE)	95% CI
Age	47.79 (0.53)	46.72–48.86
Education	12.53 (0.10)	12.34–12.73
Income	5.41 (0.09)	5.22–5.60
Exercise	0.02 (0.03)	−0.03–0.07
Chronic medical conditions	5.73 (0.00)	4.80–6.82
	% (SE)	95% CI
Gender
Male	47.26 (0.01)	44.86–49.68
Female	52.74 (0.01)	50.32–55.14
Obesity	14.47 (0.01)	12.86–16.24
Smoking	30.45 (0.01)	27.81–33.23
Drinking	60.02 (0.02)	56.68–63.26
Renal disease mortality	0.52 (0.00)	0.26–1.03