{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,4]],"date-time":"2026-03-04T23:19:04Z","timestamp":1772666344976,"version":"3.50.1"},"reference-count":43,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2021,9,17]],"date-time":"2021-09-17T00:00:00Z","timestamp":1631836800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"the Japan Orthopaedics and Traumatology Research Foundation, Inc.","award":["339"],"award-info":[{"award-number":["339"]}]},{"name":"project research funds from the Japanese Orthopaedic Association","award":["N\/A"],"award-info":[{"award-number":["N\/A"]}]},{"name":"a research fund from the Japanese Society for Musculoskeletal Medicine","award":["N\/A"],"award-info":[{"award-number":["N\/A"]}]},{"name":"The Nakatomi Foundation","award":["N\/A"],"award-info":[{"award-number":["N\/A"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Low back pain (LBP) is one of the main etiologies of disability in daily life. In the face of LBP increases in super-aged societies, there are serious concerns of escalating medical costs and deteriorations in the social economy. It is therefore important to identify the factors associated with LBP for prompt preventative and therapeutic measures. This study investigated the prevalence of LBP and the impact of subject-specific factors on LBP development in Japanese community-dwelling older adults. We established eight groups based on age (50\u2019s, 60\u2019s, 70\u2019s, and 80\u2019s) and gender after random sampling from a resident registry. A total of 411 participants (201 male and 210 female) were enrolled for a whole-spine lateral radiographic examination and dual-energy X-ray absorptiometry. All subjects were evaluated for the presence and degree of LBP. We analyzed the impact of clinical factors on LBP using multivariate analysis. Fifty-three (12.9%) participants (23 (11.4%) male and 30 (14.3%) female) were found to have LBP. The prevalence of LBP tended to increase with age, and similar results were found between genders. In univariate analysis, the subject-related factors of the sagittal vertebral axis, pelvic incidence minus lumbar lordosis (PI-LL) mismatch, and aging had significant associations with LBP. PI-LL mismatch was a significant independent factor in multivariate analysis. In conclusion, this study identified LBP prevalence and subject-specific factors on a general population basis. Multivariate analysis revealed PI-LL mismatch as an independent factor associated with LBP in the healthy community-dwelling elderly.<\/jats:p>","DOI":"10.3390\/jcm10184213","type":"journal-article","created":{"date-parts":[[2021,9,18]],"date-time":"2021-09-18T00:13:47Z","timestamp":1631924027000},"page":"4213","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Prevalence and Related Factors of Low Back Pain in the General Elderly Population: A Japanese Cross-Sectional Study Randomly Sampled from a Basic Resident Registry"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0718-6357","authenticated-orcid":false,"given":"Masashi","family":"Uehara","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Nagano 390-8621, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shota","family":"Ikegami","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Nagano 390-8621, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroshi","family":"Horiuchi","sequence":"additional","affiliation":[{"name":"Rehabilitation Center, Shinshu University Hospital, Nagano 390-8621, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jun","family":"Takahashi","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Nagano 390-8621, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroyuki","family":"Kato","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Nagano 390-8621, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2021,9,17]]},"reference":[{"key":"ref_1","unstructured":"GBD (2016). 2015 Disease and Injury Incidence and Prevalence Collaborators. 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