Table 1

Demographic characteristics of full and restricted analytic sample, ages 18–64, NHANES, 1988–2001


Full sample (n = 14,798)
Restricted analytic sample (n = 11,733)

percent
std error
percent
std error

Age




18–24
17
0.6
18
0.6
26–44
53
0.9
55
1.0
45–64
30
0.8
28
0.9
Gender




Men
49
0.4
49
0.5
Women
51
0.4
51
0.5
Race/ethnicity




White
74
1
75
1
Black
12
0.6
11
0.6
Mexican-American
6
0.5
6
0.5
Other
8
0.9
8
1
Marital status




married/living as
64
0.9
64
0.9
not married/not living as
36
0.9
36
0.9
Education




< high school
23
1
22
1
high school
35
0.8
34
0.8
> high school
42
1
44
1
Occupation




white collar and professional
24
0.9
25
0.9
white collar, semi-routine
23
0.7
23
0.7
blue collar, high skill
12
0.5
12
0.5
blue collar, semi-routine
39
0.8
38
0.9
never worked
3
0.3
3
0.3
Income (equivalized for family size)




< 50% median
22
1
21
1
50–100% median
31
1
30
1
> median
47
2
49
2
% below poverty
11
0.7
11
0.8
% poverty to 184% poverty
16
0.8
15
0.8
185% poverty to median income*
25
1
25
1
> median*
47
2
49
2
Work and health




not currently in labor force
25
0.7
21
0.7
employment affected by health
10
0.4
0
-
death with <1 year follow-up
0.3
0.07
0
-

*median income is equal to 322% of the poverty line

Rehkopf et al. BMC Public Health 2008 8:383   doi:10.1186/1471-2458-8-383