| Titre : | Correlates of Short and Long Sleep Duration : A Cross-Cultural Comparison Between the United Kingdom and the United States : The Whitehall II Study and the Western New York Health Study. (2008) |
| Auteurs : | Saverio STRANGES ; Francesco-P CAPPUCCIO ; Richard-P Donahue ; Joan-M DORN ; Jane E. Ferrie ; Kathleen-M HOVEY ; Ngianga-Bakwin Kandala ; Michael-G MARMOT ; Michelle-A MILLER ; Martin-J SHIPLEY ; Maurizio TREVISAN ; Department of Neurology and Program in Sleep. Aging and Chronobiology. Emory University School of Medicine. Atlanta. GA. USA |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 168, n° 12, 2008) |
| Pagination : | 1353-1366 |
| Langues: | Anglais |
| Mots-clés : | Sommeil ; Durée ; Etude comparée ; Epidémiologie ; Etude prospective ; Maladie associée ; Condition vie ; Homme ; Amérique ; Europe ; Amérique du Nord |
| Résumé : | [BDSP. Notice produite par INIST-CNRS AqR0xDpI. Diffusion soumise à autorisation]. The authors examined sociodemographic, lifestyle, and comorbidity factors that could confound or mediate U-shaped associations between sleep duration and health in 6,472 United Kingdom adults from the Whitehall II Study (1997-1999) and 3,027 US adults from the Western New York Health Study (1996-2001). Cross-sectional associations between short (<6 hours) and long (>8 hours) durations of sleep across several correlates were calculated as multivariable odds ratios. For short sleep duration, there were significant, consistent associations in both samples for unmarried status (United Kingdom : adjusted odds ratio (AOR)=1.49,95% confidence interval (Cl) : 1.15,1.94 ; United States : AOR=1.49,95% Cl : 1.10,2.02), body mass index (AORs were 1.04 (95% Cl : 1.01,1.07) and 1.02 (95% Cl : 1.00,1.05)), and Short Form-36 physical (AORs were 0.96 (95% Cl : 0.95,0.98) and 0.97 (95% Cl : 0.96,0.98)) and mental (AORs were 0.95 (95% Cl : 0.94,0.96) and 0.98 (95% Cl : 0.96,0.99)) scores. For long sleep duration, there were fewer significant associations : age among men (AORs were 1.08 (95% Cl : 1.01,1.14) and 1.05 (95% Cl : 1.02,1.08)), low physical activity (AORs were 1.75 (95% Cl : 0.97,3.14) and 1.60 (95% Cl : 1.09,2.34)), and Short Form-36 physical score (AORs were 0.96 (95% Cl : 0.93,0.99) and 0.97 (95% Cl : 0.95,0.99)). Being unmarried, being overweight, and having poor general health are associated with short sleep and may contribute to observed disease associations. Long sleep may represent an epiphenomenon of comorbidity. |
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