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Relationship between attitudes, beliefs and physical activity in older adults with knee pain: secondary analysis of a randomised controlled trial

Quicke, Jonathan G.; Foster, Nadine E.; Ogollah, Reuben O.; Croft, Peter R.; Holden, Melanie

Relationship between attitudes, beliefs and physical activity in older adults with knee pain: secondary analysis of a randomised controlled trial Thumbnail


Authors

Jonathan G. Quicke

Nadine E. Foster

Reuben O. Ogollah

Peter R. Croft



Abstract

Objective
To investigate how attitudes and beliefs about exercise relate to physical activity behavior in older adults with knee pain attributable to osteoarthritis (OA).

Methods
We conducted secondary data analyses of a randomized controlled trial of exercise interventions (ISRCTN: 93634563). Participants were adults =45 years old with knee pain attributable to OA (n?=?514). Crude and adjusted cross-sectional and longitudinal associations between baseline Self-Efficacy for Exercise (SEE), Positive Outcome Expectations for Exercise (POEE), Negative Outcome Expectations for Exercise scores, and physical activity level, at baseline, 3 months, and 6 months (measured by self-report using the Physical Activity Scale for the Elderly [PASE]), and important increases in physical activity level (from baseline to 6-month followup) were investigated using multiple linear and logistic regression.

Results
Cross-sectional associations were found between SEE and PASE scores (ß?=?4.14 [95% confidence interval (95% CI) 0.26, 8.03]) and POEE and PASE scores (ß?=?16.71 [95% CI 1.87, 31.55]), adjusted for sociodemographic and clinical covariates. Longitudinal associations were found between baseline SEE and PASE scores at 3 months (ß?=?4.95 [95% CI 1.02, 8.87]) and 6 months ß?=?3.71 (0.26, 7.16), and baseline POEE and PASE at 3 months (ß?=?34.55 [95% CI 20.13, 48.97]) and 6 months (ß?=?25.74 [95% CI 11.99, 39.49]), adjusted for baseline PASE score and intervention arm. However, no significant associations with important increases in physical activity level were found.

Conclusion
Greater exercise self-efficacy and more positive exercise outcome expectations were associated with higher current and future physical activity levels. These may be targets for interventions aimed at increasing physical activity.

Acceptance Date Sep 27, 2016
Publication Date Oct 1, 2016
Publicly Available Date Mar 29, 2024
Journal Arthritis Care and Research
Print ISSN 2151-464X
Publisher Wiley
Pages 1192-2000
DOI https://doi.org/10.1002/acr.23104
Keywords Osteoarthritis; Knee pain; Physical activity; Exercise; Attitudes; Older adults
Publisher URL https://doi.org/10.1002/acr.23104

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