Limited educational attainment and radiographic and symptomatic knee osteoarthritis: a cross-sectional analysis using data from the Johnston County (North Carolina) Osteoarthritis Project
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Introduction: Applying a cross-sectional analysis to a sample of 2,627 African-American and Caucasian adults aged >= 45 years from the Johnston County Osteoarthritis Project, we studied the association between educational attainment and prevalence of radiographic knee osteoarthritis and symptomatic knee osteoarthritis. Methods: Age-and race-adjusted associations between education and osteoarthritis outcomes were assessed by gender-stratified logistic regression models, with additional models adjusting for body mass index, knee injury, smoking, alcohol use, and occupational factors. Results: In an analysis of all participants, low educational attainment (= 12 years), by using fully adjusted models. In the subset of postmenopausal women, these associations tended to be weaker but little affected by adjustment for hormone replacement therapy. Men with low educational attainment had 85% higher odds of having symptomatic knee osteoarthritis by using fully adjusted models, but the association with radiographic knee osteoarthritis was explained by age. Conclusions: After adjustment for known risk factors, educational attainment, as an indicator of socioeconomic status, is associated with symptomatic knee osteoarthritis in both men and women and with radiographic knee osteoarthritis in women.
Subjecthormone replacement therapy
Published Version (Please cite this version)10.1186/ar2956
CitationCallahan,Leigh F.;Shreffler,Jack;Siaton,Bernadette C.;Helmick,Charles G.;Schoster,Britta;Schwartz,Todd A.;Chen,Jiu-Chiuan;Renner,Jordan B.;Jordan,Joanne M.. 2010. Limited educational attainment and radiographic and symptomatic knee osteoarthritis: a cross-sectional analysis using data from the Johnston County (North Carolina) Osteoarthritis Project. Arthritis Research & Therapy 12(2): R46-R46.
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