Previous estimates of the prevalence of fatigue and chronic fatigue have derived largely from treated populations and have been biased by differential access to health-care treatment linked with gender, racial/ethnic and social class status. This study involves a community-based prevalence study of prolonged fatigue and chronic fatigue. It addresses: (1) the rate of prolonged fatigue and chronic fatigue in a socioeconomically and ethnically diverse sample of 28,673 adults in Chicago; and (2) establishes the relative prevalence of prolonged fatigue and chronic fatigue across race/ethnicity, socio-economic status and gender. Univariate and multivariate statistical techniques were utilized to delineate the overall rate of prolonged fatigue and chronic fatigue in the Chicago population and its relative prevalence by gender, race/ethnicity, and social class. Findings indicated that fatigue is common in urban populations, but that prolonged fatigue and chronic fatigue occur in about 5.00 to 7.68 percent and 2.72 to 4.17 percent, respectively, of the sample of the population. Highest levels of fatigue were consistently found among women and those with lower levels of education and occupational status.
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