Table 4

Weighted prevalence (per 100,000 persons) of fatiguing illnesses by demographic characteristics.

Characteristic
Prevalence (95% Confidence Interval)



Chronic Fatigue
CFS-like Illness

Sex




     Male
9900
(7050–13750)
860
(420–1760)
     Female
13810
(10620–17770)
1440
(900–2290)
Race




     Non-white
7260*
(4570–12440)
790
(270–2290)
     White
13140
(10520–16290)
1280
(840–1950)
Age (yrs)




     18–29
6440
(3540–11420)
1030
(350–2950)
     30–39
8870
(5660–13620)
1120
(520–2390)
     40–49
13310*
(9060–19140)
1050
(540–2050)
     50–59
16300*
(11240–23040)
1630
(700–3750)
     60–69
19590*
(11790–30760)
1370
(420–4320)
Household income




     ≤ $40,000
17180*
(12960–22410)
1470
(790–2750)
     > $40,000
9990
(7120–13850)
920
(510–1650)
Educational level




     ≤ High school
17030*
(12550–22710)
1650
(940–2880)
     ≥ College
8280
(6310–10790)
880
(500–1550)

* Difference between categories of characteristic is significant by survey-adjusted Wald test (P < .05)

Bierl et al. Population Health Metrics 2004 2:1   doi:10.1186/1478-7954-2-1