Philip Cheng|Ruby Cuellar|Dayna A. Johnson|David A. Kalmbach|Christine L.M. Joseph|Andrea Cuamatzi Castelan|Chaewon Sagong|Melynda D. Casement|Christopher L. Drake
Racial discrimination as a mediator of racial disparities in insomnia disorder
Henry Ford Health System|University of Oregon|Emory University|Henry Ford Health System|Henry Ford Health System|Henry Ford Health System|Henry Ford Health System|University of Oregon|Henry Ford Health System
study objectivesracial ethnic minorities likely suffer insomnia severe however studies examined mechanisms racial disparities severity insomnia disorder may arise one potential mechanism disparities insomnia severity perceived discrimination study tested discrimination mediator relationship race insomniamethodsparticipants recruited communities detroit metropolitan area diagnosed insomnia disorder using dsm5 diagnostic statistical manual mental disorders fifth edition final sample included 1458 individuals insomnia symptom severity assessed via insomnia severity index selfreported racial discrimination evaluated using single item racial discrimination tested mediator relationship race insomnia symptom severity individuals categroized either white racial minority ie non white individuals sensitivity analyses examining black individuals nonblack racial minority groupsresultsconsistent hypothesis racial discrimination significant mediator accounting 573 relationship race insomnia symptom severity sensitivity analyses indicated indirect effect racial discrimination stronger nonblack racial minority group compared black individualsconclusionsthese results provide support racial discrimination likely important mechanism racial ethnic sleep disparities exist implications prevention intervention treatment insomnia racial minorities reduce health disparities discussed