The association between chronic back problems and poor sleep quality among Ontarian adults aged 60 years and older: A cross-sectional study analyzing the Canadian Community Health Survey 2015-2016
Abstract
Objectives: Poor sleep quality's risk factors remain understudied in aging populations. Chronic back problems (CBP), a leading cause of disability, may contribute to poor sleep quality. Firstly, we determined the prevalence of poor sleep quality. Secondly, we investigated the association between chronic back problems and poor sleep quality, controlling for covariates. Lastly, we explored the interaction between sleep apnea and chronic back problems with respect to their association with poor sleep quality.
Methods: We analyzed data from Ontarians ≥ 60 years in the 2015-2016 Canadian Community Health Survey. We estimated the prevalence (95% confidence interval (CI)) of poor sleep quality. We investigated the association between CBP and poor sleep quality to compute prevalence ratios (PR) and 95% CI, controlling for covariates. We explored the interaction between CBP and sleep apnea in their association with poor sleep quality using four combined exposure categories.
Results: Overall, 52% of participants reported sleeping < 7 h or ≥ 9 h, 18% reported trouble going to/staying asleep, and 13% never/rarely felt refreshed. Controlling for covariates, CBP was associated with sleeping outside of recommended guidelines (PR = 1.19 (1.11-1.27)), trouble going to sleep or staying asleep (PR = 1.54 (1.32-1.79)), and rarely/never having refreshing sleep (PR = 1.45 (1.20-1.79)). No interaction was found between CBP and sleep apnea.
Conclusion: We found that CBP is associated with poor…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause.
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