These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.


Pubmed for Handhelds

PUBMED FOR HANDHELDS

Search MEDLINE/PubMed

  • Title: Association of occupational activity with radiographic knee osteoarthritis and lumbar spondylosis in elderly patients of population-based cohorts: a large-scale population-based study.
    Author: Muraki S, Akune T, Oka H, Mabuchi A, En-Yo Y, Yoshida M, Saika A, Nakamura K, Kawaguchi H, Yoshimura N.
    Journal: Arthritis Rheum; 2009 Jun 15; 61(6):779-86. PubMed ID: 19479710.
    Abstract:
    OBJECTIVE: To investigate the risk of radiographic knee osteoarthritis (OA) and lumbar spondylosis associated with occupational activity in elderly Japanese subjects using the large-scale population-based cohort of the Research on Osteoarthritis Against Disability (ROAD) study. METHODS: From the baseline survey of the ROAD study, 1,471 participants age > or =50 years (531 men and 940 women) living in mountainous and seacoast communities were analyzed. Information collected included a lifetime occupational history and details of specific work place physical activities. Radiographic severity at the knee and lumbar spine was determined by the Kellgren/Lawrence (K/L) grading system. RESULTS: The prevalence of K/L grade > or =2 knee OA and lumbar spondylosis among agricultural, forestry, and fishery workers was significantly higher than among clerical workers and technical experts in the overall population. For occupational activities, sitting on a chair had a significant inverse association with K/L grade > or =2 knee OA and lumbar spondylosis. Standing, walking, climbing, and heavy lifting were associated with K/L grade > or =2 knee OA, but were not associated with K/L grade > or =2 lumbar spondylosis. Kneeling and squatting were associated with K/L grade > or =3 knee OA. CONCLUSION: This cross-sectional study using a population-based cohort suggests that sitting on a chair is a significant protective factor against both radiographic knee OA and lumbar spondylosis in Japanese subjects. An occupational activity that includes heavy lifting appears to have a greater effect on knee OA than on lumbar spondylosis.
    [Abstract] [Full Text] [Related] [New Search]