This study suggests that vigilance may be a source of chronic stress contributing to higher prevalence of sleep difficulty among Blacks. The findings indicate that the anticipation of and preservation about racial discrimination impacts racial disparities in health.
This study was limited to a single city and was cross-sectional; further research will require a more robust sample.
About the Study:
The Chicago Community Adult Health Study, a cross-sectional, population-representative survey of adults living in Chicago was used. Face-to-face interviews and direct physical measurements were collected from May 2001 to March 2003 from a sample of 3,105 adults.