Leigh F Callahan1,2,3*, Jack Shreffler1, Bernadette C Siaton4, Charles G Helmick5, ... 45 years from the Johnston County Osteoarthritis Project, we studied the ...
Callahan et al. Arthritis Research & Therapy 2010, 12:R46 http://arthritis-research.com/content/12/2/R46
RESEARCH ARTICLE
Open Access
Limited educational attainment and radiographic and symptomatic knee osteoarthritis: a crosssectional analysis using data from the Johnston County (North Carolina) Osteoarthritis Project Leigh F Callahan1,2,3*, Jack Shreffler1, Bernadette C Siaton4, Charles G Helmick5, Britta Schoster1, Todd A Schwartz6, Jiu-Chiuan Chen7, Jordan B Renner8, Joanne M Jordan1,2
Abstract 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 (
