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The Role of Cohabitating Partner and Relationship Characteristics on Physical Activity among Individuals with Osteoarthritis - PubMed

The Role of Cohabitating Partner and Relationship Characteristics on Physical Activity among Individuals with Osteoarthritis

Sandra H Soto et al. Int J Behav Med. 2019 Oct.

Abstract

Background: Most individuals with knee or hip osteoarthritis do not meet recommendations for physical activity. The Social Cognitive Theory suggests that the social environment (e.g., spouses/partners) may influence the physical activity of individuals with osteoarthritis. The purpose of this study was to examine whether the physical activity of insufficiently active, coupled adults with osteoarthritis was associated with received partner support for physical activity, partner's engagement in physical activity, and relationship satisfaction.

Methods: Cross-sectional data from 169 couples were collected. Accelerometers estimated moderate-to-vigorous physical activity and daily steps for participants with osteoarthritis and their partners. Participants with osteoarthritis reported total received partner support for physical activity and relationship satisfaction.

Results: Participants with osteoarthritis were on average 65 years old, 65% female, 86% non-Hispanic white, and 47% retired. Receiving total partner support more frequently was associated with more minutes of moderate-to-vigorous physical activity but not with steps. Relationship satisfaction moderated the association of partner's physical activity on the daily steps of individuals with osteoarthritis such that having a partner who accomplished more daily steps was associated with participants with osteoarthritis accomplishing more daily steps themselves when they reported greater relationship satisfaction.

Conclusions: Partners and relationship satisfaction may play an important role in the physical activity of individuals with osteoarthritis. Interventions seeking to increase physical activity in this population may be enhanced by promoting partner support. Additional research is needed to further explain these associations within the context of relationship satisfaction.

Keywords: Exercise; Osteoarthritis; Social support; Spouses.

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Figures

Fig. 1
Fig. 1

Hypothesized relationships examined

Fig. 2
Fig. 2

Interaction between relationship satisfaction and partner’s daily steps on participants with osteoarthritis’ daily steps. Figure shows the association between the partner’s daily steps and participant’s daily steps by relationship satisfaction at 1 SD below the mean (IRR = 1.001, 95% CI = 0.998, 1.004), the mean (IRR = 1.004, 95% CI = 1.001, 1.006), and 1 SD above the mean (IRR = 1.007, 95% CI = 1.003, 1.011). Note: PA = physical activity, SD = standard deviation

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