Knee Pain and Low Back Pain Additively Disturb Sleep in the General Population: A Cross-Sectional Analysis of the Nagahama Study

Kimihiko Murase, Yasuharu Tabara, Hiromu Ito, Masahiko Kobayashi, Yoshimitsu Takahashi, Kazuya Setoh, Takahisa Kawaguchi, Shigeo Muro, Hiroshi Kadotani, Shinji Kosugi, Akihiro Sekine, Ryo Yamada, Takeo Nakayama, Michiaki Mishima, Shuichi Matsuda, Fumihiko Matsuda and Kazuo Chin

PLOS ONE, 2015, vol. 10, issue 10, 1-16

Abstract: Introduction: Association of knee and low back pain with sleep disturbance is poorly understood. We aimed to clarify the independent and combined effects of these orthopedic symptoms on sleep in a large-scale general population. Methods: Cross-sectional data about sleep and knee/low back pain were collected for 9,611 community residents (53±14 years old) by a structured questionnaire. Sleep duration less than 6 h/d was defined as short sleep. Sleep quality and the presence of knee and low back pain were evaluated by dichotomous questions. Subjects who complained about knee or low back pains were graded by tertiles of a numerical response scale (NRS) score and a Roland-Morris disability questionnaire (RDQ) score respectively. Multivariate regression analyses were performed to determine the correlates of short sleep duration and poor sleep quality. Results: Frequency of participants who complained of the orthopedic symptoms was as follows; knee pain, 29.0%; low back pain, 42.0% and both knee and low back pain 17.6%. Both knee and low back pain were significantly and independently associated with short sleep duration (knee pain: odds ratio (OR) = 1.19, p

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0140058

DOI: 10.1371/journal.pone.0140058

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