Night-time frequency, sleep disturbance and general health-related quality of life: Is there a relation?

Koji Yoshimura, Yasunori Oka, Toshiyuki Kamoto, Taiji Tsukamoto, Kiyoshi Oshiro, Yoshimi Suzukamo, Naoko Kinukawa, Osamu Ogawa

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

Objectives: We conducted a community-based study to determine the relationship among night-time frequency, sleep disturbance and general health-related quality of life (GHQL). Methods: A total of 2271 participants, men and women, aged 41-70 and randomly selected in three Japanese towns completed a postal questionnaire survey. This questionnaire included: the International Prostate Symptom Score, the overall incontinence score of the International Consultation of Incontinence Questionnaire Short Form for lower urinary tract symptoms, the Pittsburg Sleep Quality Index for sleep problems, the Medical Outcome Study Short Form-8 for GHQL, and medical history of disease, cigarette smoking, and alcohol consumption. A multiple regression model was used for statistical analysis, and P < 0.05 was considered significant. Results: Although night-time frequency by itself was closely associated with most aspects of GHQL, this association disappeared in four domains (general health perception, vitality, mental health and emotional role) and in the two summary scores of the Medical Outcome Study Short Form-8 after inclusion of the influence of sleep problems represented by the total score on the Pittsburg Sleep Quality Index. However, three domains (physical function, physical role, and social function) remained significantly associated with night-time frequency. Sleep problems were by far the worst risk factor for the deterioration of GHQL. Conclusions: Night-time frequency appeared to be associated with GHQL mainly by affecting sleep conditions, a symptom that independently influenced some aspects of GHQL.

Original languageEnglish
Pages (from-to)96-100
Number of pages5
JournalInternational Journal of Urology
Volume16
Issue number1
DOIs
Publication statusPublished - 2009 Jan

Keywords

  • Epidemiology
  • Insomnia
  • Nocturia
  • Quality of life

ASJC Scopus subject areas

  • Urology

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