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Demographic Characteristics of the U.S. population and the Wichita Sample by Fatigue and Non-Fatigued Group |
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| Demographic Characteristics |
U.S. Population* |
Wichita Surveillance Groups† |
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| Non-Fatigue Group (n = 3,634) |
Prolonged Fatigue‡ (n = 2,973) |
Suspect CFS§ (n = 512) |
CFS (n = 43) |
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| Age, Mean (years) |
41.0 |
40.5 |
42.7 |
44.1 |
47.8 |
| <35 years (%) |
35.6 |
37.3 |
29.1 |
18.9 |
8.3 |
| 35–49 years (%) |
35.2 |
35.5 |
38.6 |
50.6 |
46.8 |
| 50–69 years (%) |
29.2 |
27.2 |
32.3 |
30.6 |
45.0 |
| Male (%) |
49.1 |
49.3 |
34.7 |
29.1 |
14.6 |
| Female (%) |
50.9 |
50.7 |
65.3 |
70.9 |
85.4 |
| Black (%) |
12.1 |
8.5 |
11.2 |
5.5 |
2.8 |
| Latino (%) |
12.6 |
4.8 |
5.0 |
5.7 |
1.9 |
| Employed (%) |
78.4 |
76.5 |
64.1 |
68.4 |
52.8 |
| Mean Household Income |
NA |
$33,477 |
$39,027 |
$44,143 |
$40,802 |
| <$20,000 (%) |
26.8 |
17.7 |
33.6 |
24.3 |
16.8 |
| $20,000–$49,999 (%) |
38.1 |
40.7 |
40.0 |
41.7 |
46.2 |
| $50,000–$74,999 (%) |
17.8 |
18.1 |
12.6 |
19.1 |
23.6 |
| ≥$75,000 (%) |
17.4 |
12.7 |
6.6 |
8.2 |
5.4 |
| Not Reporting (%) |
0.0 |
10.8 |
7.1 |
6.6 |
8.1 |
| Education (%) |
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| <12 Years |
14.9 |
7.8 |
14.8 |
8.5 |
2.7 |
| High School Graduate |
31.5 |
28.4 |
32.6 |
33.2 |
35.6 |
| Some College |
28.2 |
36.4 |
35.9 |
40.0 |
51.9 |
| College Graduate (4-Year) |
17.3 |
16.7 |
8.5 |
11.1 |
6.0 |
| Post Graduate Education |
8.2 |
8.9 |
5.8 |
4.7 |
3.7 |
| Not Reporting |
0.0 |
1.7 |
2.4 |
2.5 |
0.0 |
| Occupation (%) |
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| Management or Professional |
23.4 |
27.1 |
20.3 |
25.9 |
16.8 |
| Clerical Worker |
10.3 |
10.2 |
12.1 |
12.8 |
22.8 |
| Service Worker |
10.6 |
6.9 |
9.4 |
7.4 |
10.7 |
| Sales Professional |
8.7 |
6.6 |
5.2 |
5.1 |
7.5 |
| Technician |
2.5 |
6.6 |
6.3 |
5.8 |
17.0 |
| Skilled Craftsman |
8.3 |
4.3 |
5.0 |
6.3 |
4.6 |
| Homemaker |
NA |
1.9 |
2.4 |
2.3 |
3.5 |
| Other/Not Reporting |
36.2 |
36.2 |
39.3 |
34.4 |
17.2 |
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* Based on analysis of the March Supplement to the Current Population Survey, 2002 conducted by SRA International, Inc. Columns may not add to 100% due to rounding. † Weighted to reflect population of Wichita, Kansas. Columns may not add to 100% due to rounding. ‡ Excludes the 555 CFS-like observations. § Excludes the 43 CFS observations. | |||||
Reynolds et al. Cost Effectiveness and Resource Allocation 2004 2:4 doi:10.1186/1478-7547-2-4 |
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