Psychological health impact on 2-year changes in pain and function in persons with knee pain: data from the Osteoarthritis Initiative.

ABSTRACT:

Objective

We determined whether baseline depressive symptoms, knee-related confidence and general psychological distress influenced changes in pain and function during 2 years of follow-up.

Design

We included persons in the Osteoarthritis Initiative (OAI) dataset with baseline pain of 1 or greater on a 0-10 scale in at least one knee and no knee or hip surgery during the 2-year follow-up (n=3407). The four outcome variables were repeated chair standing, 20 m walk and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) Pain and Disability. Linear mixed effects models assessed the association of each mental health variable with the yearly change in each baseline adjusted outcome measure after controlling for covariates.

Results

Depressive symptoms wer

SUBMITTER: Riddle DL 

PROVIDER: S-EPMC3159740 | biostudies-literature | 2011 Sep

REPOSITORIES: biostudies-literature