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. 2000 Oct;102(4):249-57.
doi: 10.1034/j.1600-0404.2000.102004249.x.

Sleep and quality of life in the Austrian population

J Zeitlhofer  1 , A Schmeiser-Rieder, G Tribl, A Rosenberger, J Bolitschek, G Kapfhammer, B Saletu, H Katschnig, B Holzinger, R Popovic, M Kunze
Affiliations

Sleep and quality of life in the Austrian population

J Zeitlhofer et al. Acta Neurol Scand. 2000 Oct.

Abstract

Purpose: To compare the self-reported estimation of sleep quality evaluated by the Pittsburgh Sleep Quality Index (PSQI) and life quality assessed by the Quality of Life Index (QLI).

Background: The PSQI comprised 19 questions and assessed a wide variety of factors relating to sleep quality. The QLI consisted of 10 items for self assessment of different dimensions of life quality.

Subjects: A representative Austrian sample (n = 1049) aged above 15 years.

Procedure: Interviews in the homes of the participants.

Results: 32.1% could be classified as poor sleepers (37% females, 26.5% males). Sleep quality decreased with increasing age, especially in women. Overall quality of life was highest in younger (15-29 years) and lowest in elderly subjects (over 50 years). Life quality decreased with increasing age. Between subjective sleep quality and quality of life a moderate, significant correlation was found (r2= 0.6721).

Conclusions: Complaints about a bad quality of sleep could be used as a screening method in the exploration of patients' quality of life (QoL).

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