Longitudinal study of the relationship between physical activity and knee pain and functional limitation in community-dwelling older adults
Saliu Balogun, David Scott, Flavia Cicuttini, Graeme Jones, Dawn Aitken
Archives of Gerontology and Geriatrics | ELSEVIER IRELAND LTD | Published : 2020
AIMS: To describe the associations between interindividual (between-person) and intraindividual (within-person) variability in physical activity (PA) and knee pain and functional limitation among older adults. We also investigated the potential bidirectional association of between-person and within-person variability in knee pain and functional limitation with PA. METHOD: Participants (N = 1064; 51% women; mean age 63 ± 7.4 years) were measured at baseline, 2.5, and 5 years. PA was measured using pedometers. Knee pain and functional limitation were assessed using the WOMAC scale. A two-part hurdle model, with adjustment for confounders, estimated the association of between-person and within-..View full abstract
Awarded by National Health and Medical Research Council of Australia
Awarded by Arthritis Foundation of Australia
Awarded by Tasmanian Community Fund
This work was supported by the National Health and Medical Research Council of Australia (302204); Arthritis Foundation of Australia (MRI06161); Royal Hobart Hospital Research Foundation; and Tasmanian Community Fund (D0015018). SB is supported by the Australian Rheumatology Association and the Farrell Family research fellowship. DS, GJ, FC and DA are supported by the National Health and Medical Research Council of Australia Fellowships. We are grateful to the TASOAC participants, staff and volunteers.