Table 1.

Baseline Characteristics of the US Study Cohort in 1995^a

Variable	Percent
	Men (N = 633)	Women (N = 722)
Age, years
<35	23.3	26.7
35–44	35.3	30.6
45–54	27.4	23.2
55–64	14.0	19.5
Race
White	87.7	83.1
Black	5.1	10.3
Hispanic	3.3	3.9
Other race	3.9	2.7
Income, $
<25,000	15.9	24.8
25,000–44,999	25.0	32.9
45,000–69,999	29.9	21.0
≥70,000	29.2	21.4
Baseline weight classification
Normal weight	27.4	50.1
Overweight	49.3	28.9
Obese	23.3	21.0
Depressionb	9.7	18.5
Generalized anxiety disorderb	2.0	6.1
Panic disorderc	3.5	9.6
Smoking	23.7	22.7
Quit smokingd	7.7	6.8
Diabetes	3.6	2.8
General health status, % fair/poor	8.6	14.3
Relative health status, % somewhat worse/much worse	4.6	7.6
Working	93.9	78.5
Married or living with partner	81.5	75.2

^aVariables are weighted to account for the complex survey design and to approximate the distribution of US adults aged 25–64 years by region, residence in a metropolitan area, sex, race, age, education, and marital status.

^bDesignation based on self-reported responses to the World Health Organization's Composite International Diagnostic Interview scale (21).

^cDesignation based on self-reported responses to a scale derived from Diagnostic and Statistical Manual of Mental Disorders, Third Edition, criteria (20).

^dNot a baseline measure; defined as someone smoking in 1995 who was no longer smoking in 2004.