Abstract
This study investigated sleep quality and health-related quality of life (HRQOL) among long-term survivors of Hodgkin (HL) and non-Hodgkin lymphoma (NHL). The aim was to explore the impact of personal and health-related factors on sleep quality as well as associations between sleep quality and HRQOL. For the postal survey, participants with a minimum age of 18 years initially treated between 1998 and 2008 were recruited via the population-based cancer registry in Schleswig-Holstein, Northern Germany. Questionnaires included amongst others the Pittsburg Sleep Quality Index (PSQI) and the 36-Item Short Form Health Survey (SF-36v1). Descriptive and comparative statistics were performed. Additionally, a regression analysis was conducted to identify predictors of sleep quality. In total, we recruited 515 participants (398 NHL, 117 HL) with a mean age of 63.1 years. Approximately half of the survivors were classified as good sleepers. HRQOL scores differed between good and poor sleepers with lower scores in poor sleepers. In a prediction model, self-reported depression, exhaustion, higher age, inability to work, endocrinological disorders and female gender classified as predictors of sleep quality. This study highlights the impact of sleep quality on HRQOL in long-term survivors of NHL and HL. Thus, sleep quality should be routinely assessed during follow-up of cancer survivors with special attention to patients with potential risk factors.
Highlights
In Germany as in other industrialized countries, cancer incidences increased over the last decades, while mortality declined [1]
The aim of the present study was to demonstrate long-term effects of cancer in survivors of non-Hodgkin lymphoma (NHL) and HL with special attention to sleep quality and health-related quality of life (HRQOL), as regular follow-up of cancer patients often ends after 5 years of recurrence-free survival
Survivors of NHL were older and more often retired than HL survivors, whereas more full-time working participants were found among the HL survivors (46.0%, n = 51)
Summary
In Germany as in other industrialized countries, cancer incidences increased over the last decades, while mortality declined [1]. This is largely due to improvements in early detection and treatment of various types of cancer [2, 3]. High survival rates are no longer the only treatment goal as survivors’ long-term quality of life and especially their health-related quality of life (HRQOL) attract increasing attention [4]. Sleep and health-related quality of life among long-term survivors of (non-) Hodgkin lymphoma
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