Objective: The purpose of this population-based study was to examine whether sedentary behavior (SB) and light physical activity intensity (LPA) are associated with pain in older adults. A further aim is to investigate the psychosomatic complaints as mediators between SB and pain.
Methods: Individuals aged ≥50 from the 2018 Study on Aging, Health, and Health-seeking Behavior reported on SB and LPA using the International Physical Activity Questionnaire and pain severity using a cross-culturally validated item from the bodily pain subscale of the MOS SF-36. Multivariable logistic regression models evaluated the associations of SB and LPA with pain. Bootstrapping analyses assessed whether psychosomatic complaints mediate the association between SB and pain.
Results: Among 1201 participants (mean ± SD age = 66.1 ± 11.9 years; women = 63.3%), the prevalence of SB and pain was 21.4% and 43.0%, respectively. Compared with <8 h/d, ≥8 h/d of SB was positively associated with pain (OR = 2.42, 95% CI = 1.71-3.42). However, LPA was associated with 11% lower odds of reporting pain (OR = 0.89, 95% CI = 0.81-0.98). Self-rated health (41.2%), anxiety (23.5%), comorbidity (20.6%), functional limitations (17.6%), depression (13.2%), and sleep problems (11.8%) were associated with pain and mediated the SB-pain link.
Conclusions: The present study observed that SB and LPA were associated with pain in older adults residing in Ghana, and psychosomatic complaints were identified as potential mechanisms in the pathway between SB and pain. Managing the pain burden in old age may require shifting the 24-hour behavior from SB to LPA and addressing the inherent psychosomatic complaints.
Author keywords: Ghana; Older adults; Pain severity; Physical activity; Psychosomatic medicine; Sedentary behavior.
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