Table 1.

Descriptive characteristics of the Vietnam Era Twin Study of Aging (VETSA) participants.

Characteristic	Value
Chronic Health Problems, N, (%)
Cardiovascular Disease	135 (18.2%)
Hypertension	393 (52.9%)
Diabetes	59 (7.9%)
Current smoking, N, (%)	183 (24.7%)
Alcohol Consumption, N, (%)
None	300 (40.4%)
≤ 1 drink per day for past 2 weeks	317 (42.7%)
>1≤2 drinks per day for past 2 weeks	59 (7.9%)
> 2 drinks per day for past 2 weeks	67 (9.0%)
Center for Epidemiologic Studies
Depression Scale, mean, (SD), range	8.06 (7.95), 0–52