Sleep-related predictors of quality of life in the elderly versus younger heart failure patients: A questionnaire survey

[[abstract]]Background Research has indicated that sleep disorders reduce the quality of life of heart failure patients. Objectives To investigate quality of sleep, and the impact of poor sleep on quality of life among elderly versus younger heart failure patients. Design A two-group, cross-sectional study. Setting A community teaching hospital in Taipei, Taiwan. Participants Voluntarily self-enrolled heart failure patients who did not have sleep apnea or restless leg syndrome. Methods There were126 elderly and 67 young participants filled out five questionnaires (1) demographic information and current health status; (2) the Chinese Pittsburgh Sleep Quality Index; (3) the Chinese Epworth Sleepiness Scale, and (4) the short form (SF)-36 Taiwanese version. The major statistical procedures applied in this study were t-test, analysis of variance, Pearson's correlation, and a stepwise multiple linear regression. A p-value of