title: The link between sleep disturbance and depression among Mexican Americans: a Project FRONTIER study.
abstract: OBJECTIVE
  To examine the link between disturbed sleep and depression scores in Mexican Americans and non-Hispanic Whites.
  
  
  METHODS
  Data were analyzed for 566 participants (45% Mexican Americans) who were part of a rural healthcare study, Project FRONTIER. Mean age was 55.5 years for Mexican Americans (70% female) and 65.6 years for non-Hispanic Whites (69% female). Self-reported sleep disturbance was entered as the predictor, GDS-30 total and factor scores as the outcome variables, and age, sex, education, BMI, and medical diagnoses (hyperlipidemia, diabetes mellitus, and hypertension) entered as covariates.
  
  
  RESULTS
  Mexican Americans reported higher rates of sleep disturbances (25%) than non-Hispanic whites (17%). Sleep disturbances were significantly associated with GDS-30 total scores and the factors Dysphoria and Cognitive Impairment in both Mexican Americans and non-Hispanic whites.
  
  
  CONCLUSIONS
  In this study, Mexican Americans reported higher rates of sleep disturbances than non-Hispanic whites. Disturbed sleep was positively associated with depression and the factor scores for Dysphoria and Cognitive Impairment in both groups. Given the paucity of research on sleep disorders in Mexican Americans, identifying what sleep disorders are present and the impact treating these sleep disorders have on depression warrant further investigation.
authors.affiliation: Department of Internal Medicine, University of North Texas Health Science Center, Fort Worth, TX.
authors.forename: Brandy M
authors.initials: BM
authors.lastname: Roane
authors.affiliation: Department of Internal Medicine, University of North Texas Health Science Center, Fort Worth, TX ; Department of Psychiatry and Neuroscience, University of North Texas Health Science Center, Fort Worth, TX ; Institute of Aging and Alzheimer's Disease Research, University of North Texas Health Science Center, Fort Worth, TX.
authors.forename: Leigh
authors.initials: L
authors.lastname: Johnson
authors.affiliation: Department of Psychiatry and Neuroscience, University of North Texas Health Science Center, Fort Worth, TX ; Institute of Aging and Alzheimer's Disease Research, University of North Texas Health Science Center, Fort Worth, TX.
authors.forename: Melissa
authors.initials: M
authors.lastname: Edwards
authors.affiliation: Department of Psychiatry and Neuroscience, University of North Texas Health Science Center, Fort Worth, TX ; Institute of Aging and Alzheimer's Disease Research, University of North Texas Health Science Center, Fort Worth, TX.
authors.forename: James
authors.initials: J
authors.lastname: Hall
authors.affiliation: Department of Internal Medicine, University of North Texas Health Science Center, Fort Worth, TX.
authors.forename: Sherif
authors.initials: S
authors.lastname: Al-Farra
authors.affiliation: Department of Internal Medicine, University of North Texas Health Science Center, Fort Worth, TX ; Department of Psychiatry and Neuroscience, University of North Texas Health Science Center, Fort Worth, TX ; Institute of Aging and Alzheimer's Disease Research, University of North Texas Health Science Center, Fort Worth, TX.
authors.forename: Sid E
authors.initials: SE
authors.lastname: O'Bryant
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D003863:Depression / Q000453:epidemiology / Q000208:ethnology / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D017058:Mexican Americans / Q000523:psychology / Q000706:statistics & numerical data*; D008875:Middle Aged; D012424:Rural Population / Q000706:statistics & numerical data; D012893:Sleep Wake Disorders / Q000150:complications* / Q000453:epidemiology / Q000208:ethnology; D013781:Texas / Q000453:epidemiology; D044465:White People / Q000523:psychology / Q000706:statistics & numerical data
keywords: Mexican American; depression; sleep; sleep disturbance
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