{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,11]],"date-time":"2026-10-11T05:10:10Z","timestamp":1791695410061,"version":"4.3.4"},"reference-count":53,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2021,10,29]],"date-time":"2021-10-29T00:00:00Z","timestamp":1635465600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100005916","name":"University of La Frontera","doi-asserted-by":"publisher","award":["DI20-0046"],"award-info":[{"award-number":["DI20-0046"]}],"id":[{"id":"10.13039\/501100005916","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>Poor sleep quality (SQ) negatively affects pain associated with musculoskeletal disorders (MSD). As the level of economic development of a country determines its sanitary conditions, these can influence the sleep\u2013pain relationship; therefore, it is relevant to generate evidence in the population with MSD in developing countries. This cross-sectional study sought to determine the effect of poor SQ on pain in Chilean individuals with MSD, controlling for sex and duration of pain (in months). Method: A total of 228 individuals were included. SQ was measured with the Pittsburg Sleep Quality Index (PSQI), pain (intensity, interference and distress relative to pain) was measured with visual analog scales. Structural equation modeling (SEM) was performed to analyze the effect of SQ on pain. Results: A high frequency of poor SQ was present in the studied group, and was more prevalent in women. The SEM model evidenced that poor SQ predicts greater pain. Sex influences sleep quality and pain, but not pain duration. Conclusions: These findings indicate that poor SQ predicts higher pain in MSD and that women exhibit worse SQ and more significant pain than men. Our findings support that SQ should be considered in the comprehensive approach to pain in individuals with MSD.<\/jats:p>","DOI":"10.3390\/ijerph182111370","type":"journal-article","created":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T22:21:34Z","timestamp":1635805294000},"page":"11370","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["The Effect of Sleep Quality on Pain in Chilean Individuals with Musculoskeletal Disorders"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6250-8518","authenticated-orcid":false,"given":"Claudio","family":"Bascour-Sandoval","sequence":"first","affiliation":[{"name":"Grupo de Investigaci\u00f3n Cl\u00ednica en Kinesiolog\u00eda, Carrera de Kinesiolog\u00eda, Universidad Aut\u00f3noma de Chile, Temuco 4780000, Chile"},{"name":"Departamento de Medicina Interna, Universidad de La Frontera, Temuco 4780000, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8015-1823","authenticated-orcid":false,"given":"Hellen","family":"Belmar-Arriagada","sequence":"additional","affiliation":[{"name":"Programa de Mag\u00edster en Terapia F\u00edsica con menciones, Universidad de La Frontera, Temuco 4780000, Chile"},{"name":"Facultad de Salud y Ciencias Sociales, Universidad de las Am\u00e9ricas, Concepci\u00f3n 4030000, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2119-6316","authenticated-orcid":false,"given":"Javier","family":"Albayay","sequence":"additional","affiliation":[{"name":"Center for Mind\/Brain Sciences, University of Trento, 38068 Rovereto, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0648-0899","authenticated-orcid":false,"given":"Claudia","family":"Lacoste-Abarzua","sequence":"additional","affiliation":[{"name":"Grupo de Investigaci\u00f3n Cl\u00ednica en Kinesiolog\u00eda, Carrera de Kinesiolog\u00eda, Universidad Aut\u00f3noma de Chile, Temuco 4780000, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2018-919X","authenticated-orcid":false,"given":"Diego","family":"Bielefeldt-Astudillo","sequence":"additional","affiliation":[{"name":"Grupo de Investigaci\u00f3n Cl\u00ednica en Kinesiolog\u00eda, Carrera de Kinesiolog\u00eda, Universidad Aut\u00f3noma de Chile, Temuco 4780000, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4515-2492","authenticated-orcid":false,"given":"Rub\u00e9n","family":"Gajardo-Burgos","sequence":"additional","affiliation":[{"name":"Instituto de Aparato Locomotor y Rehabilitaci\u00f3n, Universidad Austral de Chile, Valdivia 5090000, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mirko","family":"Vidal-Torres","sequence":"additional","affiliation":[{"name":"Instituto de Aparato Locomotor y Rehabilitaci\u00f3n, Universidad Austral de Chile, Valdivia 5090000, Chile"},{"name":"Centro Universitario de Rehabilitaci\u00f3n, Universidad Austral de Chile, Valdivia 5090000, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7390-4180","authenticated-orcid":false,"given":"Germ\u00e1n","family":"G\u00e1lvez-Garc\u00eda","sequence":"additional","affiliation":[{"name":"Departamento de Psicolog\u00eda, Universidad de La Frontera, Temuco 4780000, Chile"},{"name":"D\u00e9partement de Psychologie Cognitive & Neuropsychologie, Institut de Psychologie, Laboratoire d\u2019\u00c9tude des M\u00e9canismes Cognitifs, Universit\u00e9 Lyon b, 69676 Lyon, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,10,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2006","DOI":"10.1016\/S0140-6736(20)32340-0","article-title":"Global estimates of the need for rehabilitation based on the Global Burden of Disease study 2019: A systematic analysis for the Global Burden of Disease Study 2019","volume":"396","author":"Cieza","year":"2020","journal-title":"Lancet"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1037\/hea0000245","article-title":"The bidirectional relationship between sleep complaints and pain: Analysis of data from a randomized trial","volume":"35","author":"Koffel","year":"2016","journal-title":"Health Psychol."},{"key":"ref_3","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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