TABLE 1.

General Characteristics of Subjects

Variables	New Recruits (n = 45)	Incumbents (n = 52)	P
Race/Ethnicity
White, non-Hispanic	39 (86.7%)	44 (84.6%)	1.0
White, Hispanic	6 (13.3%)	8 (15.4%)
Age, years
≤29	26 (57.8%)	4 (7.7%)	<0.001
30–39	14 (31.1%)	16 (30.8%)
≥40	5 (11.1%)	32 (61.5%)
Mean (standard deviation)	28.8 (6.21)	40.8 (8.70)	<0.001
BMI
Normal	14 (31.1%)	10 (19.2%)	0.39
Overweight	24 (53.3%)	32 (61.5%)
Obese	7 (15.6%)	10 (19.2%)