The Open Rheumatology Journal




ISSN: 1874-3129 ― Volume 13, 2019

The Association of Disability and Pain with Individual and Community Socioeconomic Status in People with Hip Osteoarthritis



Joshua B Knight, Leigh F Callahan*, My-Linh N Luong, Jack Shreffler, Britta Schoster, Jordan B Renner, Joanne M Jordan
Thurston Arthritis Research Center and the Department of Medicine and Social Medicine, University of North Carolina at Chapel Hill, NC, USA

Abstract

Objective:

To examine associations between disability and socioeconomic status (SES) in persons with hip radiographic OA (rOA) or symptomatic OA (sxOA) in the Johnston County Osteoarthritis Project.

Methods:

Cross-sectional analyses were conducted on individuals with hip rOA (708) or sxOA (251). rOA was defined as Kellgren-Lawrence ≥ 2. Educational attainment (<12 years or ≥12 years) and occupation (managerial or non-managerial) were individual SES measures. Census block group poverty rate (<12%, 12-25%, ≥25%) was the community SES measure. Disability was measured by the HAQ-DI and the WOMAC (function, pain, total). Covariates included age, gender, race, BMI, and presence of knee symptoms. Analyses examined associations of disability with each SES effect separately, followed by multivariable analyses using all SES variables, adjusting for covariates.

Results:

In models with single SES variables adjusted for covariates, WOMAC scores were associated significantly (p<0.05) with low educational attainment and non-managerial occupation in rOA and sxOA. HAQ was significantly associated with low educational attainment in rOA and sxOA and with high community poverty in rOA. In models including all SES variables, the patterns of association were similar although with diminished significance. There was indication that education was more strongly associated with HAQ and WOMAC function, while occupation was more strongly associated with WOMAC pain.

Conclusion:

Our data provide evidence that individual SES is an important factor to consider when examining disability and pain outcomes in older adults with hip OA.

Keywords: Disability, hip osteoarthritis, socioeconomic status, educational attainment, occupation, community poverty, pain..


Article Information


Identifiers and Pagination:

Year: 2011
Volume: 5
First Page: 51
Last Page: 58
Publisher Id: TORJ-5-51
DOI: 10.2174/1874312901105010051

Article History:

Received Date: 19/8/2011
Revision Received Date: 14/9/2011
Acceptance Date: 19/9/2011
Electronic publication date: 18/10/2011
Collection year: 2011

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© Knight et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.


* Address correspondence to this author at the Thurston Arthritis Research Center, 3300 Thurston Building, CB 7280, University of North Carolina, Chapel Hill, NC 27599, USA; Tel: 919-966-0564; Fax: 919-966-1739; E-mail: leigh_callahan@med.unc.edu


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