Physical activity levels and quality of life in osteoporosis patients

Background: Physical activity has been shown to support the maintenance of bone mineral density and reduce bone loss, particularly in older adults and individuals with osteoporosis, while also improving functional capacity and quality of life. Objective: This study aimed to determine physical activity levels and quality of life among adults with osteoporosis aged ≥35 years living in Johannesburg, South Africa. It was hypothesised that higher physical activity levels would be associated with improved quality-of-life outcomes. Methods: A quantitative, cross-sectional study was conducted using the Global Physical Activity Questionnaire (GPAQ) and the Osteoporosis Assessment Questionnaire Version 2 (OPAQ 2.0). A total of 209 participants (mean age: 64 years) completed the combined questionnaire. Descriptive statistics, chi-square tests, independent t tests, and correlation analyses were performed. Results: Most participants met physical activity guidelines through work-, transport-, or leisure-related activity, although vigorous-intensity activity was limited. Participants using private healthcare reported higher overall quality of life scores (73%) than those using public healthcare services (50%). The physical-functioning domain was rated highest (76%), followed by emotional well-being (58%) and social interaction (56%). Increased physical activity levels were associated with better quality of life outcomes. Conclusion: Although many participants demonstrated adequate physical activity levels, sedentary behaviour remained prevalent. Quality of life was most negatively impacted in the emotional and social domains. These findings highlight the potential importance of physical activity, particularly structured load-bearing exercise, in osteoporosis management and overall well-being. This study contributes rare South African data on osteoporosis, physical activity behaviour, and the potential role of biokinetics within both private and public healthcare settings.