{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,18]],"date-time":"2026-07-18T06:41:33Z","timestamp":1784356893795,"version":"3.55.0"},"reference-count":33,"publisher":"Georg Thieme Verlag KG","issue":"04","license":[{"start":{"date-parts":[[2024,4,9]],"date-time":"2024-04-09T00:00:00Z","timestamp":1712620800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sleep Sci"],"published-print":{"date-parts":[[2024,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>\n          Objective\u2003This study aimed to evaluate the status of sleep, chronotype, and related variables of university athletes with and without chronic low back pain (CLBP), to find the correlation between CLBP, sleep difficulty score (SDS), and chronotype, and to determine if SDS and chronotype predict CLBP.<\/jats:p><jats:p>\n          Methods\u2003Ninety-two university athletes [46 with CLBP (Age: 22.08\u00b12.74 years) and 46 healthy athletes (Age: 22.32\u00b13.11 years) completed the athlete sleep screening questionnaire (ASSQ), also, their demographic, anxiety, depression, and sports-related details were collected. A Pearson correlation and logistic regression models (univariate and multivariate) were used for the statistical analysis.<\/jats:p><jats:p>\n          Results\u2003The results demonstrated a higher SDS and evening type preference in CLBP athletes, a significant negative correlation between CLBP and chronotype (r\u2009=\u2009\u22120.40, p&lt;0.01), a significant correlation between SDS and CLBP (r\u2009=\u20090.25, p\u2009=\u20090.01). SDS and chronotype were not found to be significant independent predictors of CLBP.<\/jats:p><jats:p>\n          Conclusion\u2003This study concludes that there exists a correlation of CLBP, SDS, and chronotype However, despite the relationship, SDS and chronotype cannot predict CLBP.<\/jats:p>","DOI":"10.1055\/s-0044-1782177","type":"journal-article","created":{"date-parts":[[2024,4,9]],"date-time":"2024-04-09T23:22:51Z","timestamp":1712704971000},"page":"e407-e413","source":"Crossref","is-referenced-by-count":5,"title":["Sleep Status and Chronotype in University Athletes with and without Chronic Low Back Pain: A Cross-Sectional Study"],"prefix":"10.1055","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9163-5471","authenticated-orcid":false,"given":"Sumbul","family":"Ansari","sequence":"additional","affiliation":[{"name":"Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia (A Central University), New Delhi, Delhi, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Saurabh","family":"Sharma","sequence":"additional","affiliation":[{"name":"Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia (A Central University), New Delhi, Delhi, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2024,4,9]]},"reference":[{"issue":"25","key":"ref1","doi-asserted-by":"crossref","first-page":"E968","DOI":"10.1097\/01.brs.0000247787.25382.3c","article-title":"Prevalence, risk factors, and preference-based health states of low back pain in a Turkish population","volume":"31","author":"E Oksuz","year":"2006","journal-title":"Spine"},{"issue":"04","key":"ref2","doi-asserted-by":"crossref","first-page":"1187","DOI":"10.1589\/jpts.27.1187","article-title":"Synergistic effect of a rehabilitation program and treadmill exercise on pain and dysfunction in patients with chronic low back pain","volume":"27","author":"Y-K Cho","year":"2015","journal-title":"J Phys Ther Sci"},{"issue":"01","key":"ref3","doi-asserted-by":"crossref","first-page":"e000295","DOI":"10.1136\/bmjsem-2017-000295","article-title":"Diagnosis of psychosocial risk factors in prevention of low back pain in athletes (MiSpEx)","volume":"3","author":"P-M Wippert","year":"2017","journal-title":"BMJ Open Sport Exerc Med"},{"key":"ref4","doi-asserted-by":"crossref","first-page":"S13","DOI":"10.1007\/s40279-014-0147-0","article-title":"Sleep in elite athletes and nutritional interventions to enhance sleep","volume":"44","author":"S L Halson","year":"2014","journal-title":"Sports Med"},{"issue":"12","key":"ref5","doi-asserted-by":"crossref","first-page":"731","DOI":"10.1136\/bjsports-2019-100590","article-title":"Wake up call for collegiate athlete sleep: narrative review and consensus recommendations from the NCAA Interassociation Task Force on Sleep and Wellness","volume":"53","author":"E Kroshus","year":"2019","journal-title":"Br J Sports Med"},{"issue":"02","key":"ref6","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1016\/S1087-0792(03)00044-3","article-title":"How do sleep disturbance and chronic pain inter-relate? 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