Quantitative association between nocturnal voiding frequency and objective sleep quality in the general elderly population: the HEIJO-KYO cohort.

Obayashi, K ; Saeki, K ; et al.

In: Sleep medicine, Jg. 16 (2015-05-01), Heft 5, S. 577-82

academicJournal

Objective: A significant association between nocturia and subjective sleep quality has previously been reported; however, the association between nocturia and objective sleep quality remains unclear. The purpose of this study was to evaluate the quantitative association between nocturnal voiding (NV) frequency and objective sleep quality in a large, general, elderly population.

Methods: Nocturnal voiding frequency, objective sleep quality, and subjective sleep quality were measured among 1086 community-based elderly individuals using actigraphy and the Pittsburgh Sleep Quality Index (PSQI) questionnaire.

Results: In multivariate analyses adjusted for potential confounding factors (such as age, gender, body mass index, medication use, renal function, bedtime, rising time, daytime physical activity, endogenous melatonin levels, and bedroom light levels), increased NV frequency, ranging from zero, one, two, three or more voids, was significantly associated with poorer objective sleep quality, including lower sleep efficiency (SE) and longer wake after sleep onset (WASO) (mean SE, 86.3, 84.8, 83.6, and 81.2%, respectively; p for trend <0.001; mean WASO: 42.6, 49.0, 53.6, and 66.1 min, respectively; p for trend <0.001), but shorter sleep onset latency (SOL) (mean SOL, 3.0, 3.0, 2.8, and 2.8 log min, respectively; p for trend = 0.018). In addition, an increased NV frequency was significantly associated with poorer subjective sleep quality in a multivariate model (mean PSQI global score, 4.60, 4.86, 5.22, and 5.48, respectively; p for trend 0.012).

Conclusion: The present study revealed a quantitative association between NV frequency and objective sleep quality in the general elderly population.

Titel:	Quantitative association between nocturnal voiding frequency and objective sleep quality in the general elderly population: the HEIJO-KYO cohort.
Autor/in / Beteiligte Person:	Obayashi, K ; Saeki, K ; Kurumatani, N
Zeitschrift:	Sleep medicine, Jg. 16 (2015-05-01), Heft 5, S. 577-82
Veröffentlichung:	Amsterdam ; New York : Elsevier Science, c2000-, 2015
Medientyp:	academicJournal
ISSN:	1878-5506 (electronic)
DOI:	10.1016/j.sleep.2015.01.021
Schlagwort:	Actigraphy Age Factors Aged Body Mass Index Cross-Sectional Studies Female Humans Male Multivariate Analysis Nocturia epidemiology Risk Factors Sex Factors Sleep Sleep Deprivation epidemiology Surveys and Questionnaires Nocturia complications Sleep Deprivation etiology
Sonstiges:	Nachgewiesen in: MEDLINE Sprachen: English Publication Type: Journal Article; Research Support, Non-U.S. Gov't Language: English [Sleep Med] 2015 May; Vol. 16 (5), pp. 577-82. <i>Date of Electronic Publication: </i>2015 Mar 23. MeSH Terms: Nocturia / complications ; Sleep Deprivation / etiology ; Actigraphy ; Age Factors ; Aged ; Body Mass Index ; Cross-Sectional Studies ; Female ; Humans ; Male ; Multivariate Analysis ; Nocturia / epidemiology ; Risk Factors ; Sex Factors ; Sleep ; Sleep Deprivation / epidemiology ; Surveys and Questionnaires Comments: Comment in: Sleep Med. 2015 May;16(5):557-8. (PMID: 25881919) Contributed Indexing: Keywords: Actigraphy; Melatonin; Nocturia; Nocturnal voiding frequency; Sleep quality Entry Date(s): Date Created: 20150430 Date Completed: 20160425 Latest Revision: 20150508 Update Code: 20240513

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