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Fam Pract ; 38(2): 147-153, 2021 03 29.
Artículo en Inglés | MEDLINE | ID: mdl-32820329

RESUMEN

BACKGROUND: Sleep disturbances may contribute to physical function impairment among older adults. OBJECTIVE: To examine the associations between sleep quality and duration and impaired physical function among older adults. METHODS: Cross-sectional study involving 392 non-institutionalized adults aged ≥65 years, who were recruited from primary health care centres in Spain. Sleep quality and duration were assessed with the Pittsburgh Sleep Quality Index (PSQI). The FRAIL scale was used to identify physical frailty, the short physical performance battery to assess lower extremity functional impairment (LEFI) and grip strength was measured using a hand-held dynamometer to assess muscle weakness. Statistical analyses were performed with logistic regression models adjusted for potential confounders. RESULTS: Participants with poor sleep quality (PSQI global score ≥10) were more likely to have functional limitations; the odds ratio (95% confidence interval) was 2.90 (1.10-7.64) for physical frailty, 2.73 (1.34-5.58) for LEFI and 2.32 (1.14-4.75) for muscle weakness. Sleep quality components associated with frailty were sleep disturbances, use of sleeping medication and daytime dysfunction. The only quality component associated with LEFI was poor sleep efficiency, while subjective poor sleep quality and daytime dysfunction were linked to muscle weakness. No associations were observed between night-time sleep duration and physical function indicators. CONCLUSIONS: Poor self-reported sleep quality, but not sleep duration, was associated with an increased frequency of physical frailty, LEFI and muscle weakness. Interventions to improve sleep quality could contribute to healthy ageing.


Asunto(s)
Fragilidad , Trastornos del Sueño-Vigilia , Anciano , Estudios Transversales , Anciano Frágil , Fragilidad/epidemiología , Humanos , Atención Primaria de Salud , Sueño , Trastornos del Sueño-Vigilia/epidemiología
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