Table 1: Demographic characteristics of participants as function of obesity.

Demographic Total sampleNonobeseObese
Variables( )( ) ( )

Age, in years, mean (SEM) 28.1 (0.9) 26.4 (1.1) 30.3 (1.4)*
 Men 27.7 (1.2) 26.0 (1.7) 30.5 (2.1)
 Women28.3 (1.3) 26.8 (1.5) 30.2 (1.7)
Gender,
 Men573522
 Women754233
Years of education (SEM) 12.8 (0.2) 13.0 (0.2) 12.6 (0.2)
Current alcohol use,
 No693534
 Yes634221
Lifetime history of alcohol dependence,
 No925834
 Yes391821
Current smoking,
 No1036043
 Yes291712
Lifetime history of nicotine dependence,
 No1096445
 Yes231310
Systolic prehypertension,
 No764630
 Yes543024
Systolic hypertension,
 No1137043*
 Yes17611
Diastolic pre-hypertension,
 No1106446
 Yes20128
Diastolic hypertension,
 No1137340**
 Yes17314

Notes: The obese group versus the nonobese group was compared using Fisher’s exact test for dichotomous variables and analysis of variance (ANOVA) for continuous variables ( P < 0.05; P < 0.001). Values are  ± SEM.