Table 1.

Baseline Demographic and Clinical Characteristics of Study Patients (N = 1,253)

Mean (SD) or %
Demographic characteristics
Age, y	55 (6)
Gender, % male	94
Enrolled in primary care at Durham VAMC	72
Diabetes risk factors
Race
White	69
African American	29
Other	2
Family history of diabetes	38
BMI
Normal (<25)	22
Overweight (25 to 30)	43
Obese (>30)	35
Hypertension	53
Quality of life
SF-36 physical component score	36 (12)
SF-36 mental component score	50 (14)
Baseline HbA1c, %	5.6 (0.7)

VAMC, Veterans Administration medical center; BMI, body mass index; SD, standard deviation.