Insomnia and caregiver burden in chronic pain patients: A cross-sectional clinical study

Masahiro Yamaguchi, Keiko Yamada, Masako Iseki, Yusuke Karasawa, Yasuko Murakami, Tatsuya Enomoto, Nobuko Kikuchi, Satoko Chiba, Atsuko Hara, Keisuke Yamaguchi and Eiichi Inada

PLOS ONE, 2020, vol. 15, issue 4, 1-10

Abstract: Insomnia is a major comorbid symptom of chronic pain and is likely to affect caregiver burden. This cross-sectional study investigated the association between insomnia in chronic pain patients and family caregiver burden. Participants were 60 patients with chronic pain of ≥3 months duration. Demographic and clinical information were collected using the Athens Insomnia Scale (AIS), the Pain Disability Assessment Scale (PDAS), the Hospital Anxiety and Depression Scale (HADS), and a pain intensity numerical rating scale (NRS). Family members who accompanied chronic pain patients to hospital completed the Zarit Burden Interview (ZBI). Univariate regression analysis and multiple regression analysis were conducted to clarify the associations between ZBI scores and total/subscale AIS scores. Covariates were age; sex; pain duration; and scores on the PDAS, HADS anxiety subscale, HADS depression subscale, and NRS. Insomnia was independently associated with ZBI scores [β: 0.27, 95% confidence interval (CI): 0.07–0.52, p = 0.001]. Scores on the AIS subscale of physical and mental functioning during the day were significantly associated with ZBI scores (β: 0.32, 95% CI: 0.05–0.59, p = 0.007). In conclusion, the findings suggest that in chronic pain patients, comorbid insomnia and physical and mental daytime functioning is associated with family caregiver burden independently of pain duration, pain-related disability, and pain intensity.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0230933

DOI: 10.1371/journal.pone.0230933

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