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Western Ontario and McMaster Universities Arthritis Index (WOMAC) scores for the a 32 African-American women (scores unavailable at 6 weeks for one woman) and b 30 Hispanic/Latina women who participated in the Operation Change Program. The results are presented as means and 95% confidence intervals. Asterisk represents statistical significance at P < 0.05. The change in each WOMAC domain score is presented for the c African-American and d Hispanic/Latina women
