Table 2.
Characteristics | Overall sample (N = 525) |
---|---|
Age, mean (SD), yrs | 56.1 (13.5) |
Male, N (%) | 304 (57.9) |
US region | |
East, N (%) | 145 (27.6) |
Midwest, N (%) | 131 (25.0) |
South, N (%) | 216 (41.1) |
West, N (%) | 33 (6.3) |
Charlson Comorbidity Index, mean (SD) | 1.4 (1.8) |
SD indicates standard deviation.