Arthritis care & research
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Arthritis care & research · Sep 2012
Multicenter StudyWhen it hurts, a positive attitude may help: association of positive affect with daily walking in knee osteoarthritis. Results from a multicenter longitudinal cohort study.
While depressive symptoms and knee pain are independently known to impede daily walking in older adults, it is unknown whether positive affect promotes daily walking. This study investigated this association among adults with knee osteoarthritis (OA) and examined whether knee pain modified this association. ⋯ High positive affect was associated with more daily walking among adults with painful knee OA. Positive affect may be an important psychological factor to consider for promoting physical activity among people with painful knee OA.
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Arthritis care & research · Sep 2012
Impact of Medicare Part D for Medicare-age adults with arthritis: prescription use, prescription expenditures, and medical spending from 2005 to 2008.
To evaluate the impact of Medicare Part D on medication utilization, drug expenditures, and medical expenditures in patients with arthritis. ⋯ Medicare Part D resulted in increased medication utilization and significant reductions in OOP drug and OOP medical expenditures among beneficiaries with arthritis 3 years after its implementation. Part D was not associated with significant differences in total medical spending.