Physical Activity and Health-Related Quality of Life in People With Back Pain: A Population-Based Pooled Study of 27,273 Adults

Background : To investigate the association between moderate- to vigorous-intensity physical activity (MVPA) and health-related quality of life (HRQoL) in people with back pain. Methods : The sample comprised adults aged 16 years and older who participated in the Welsh Health Survey (2011–2015). The HRQoL was evaluated using the 36-item short form. Participants were categorized into 4 groups based on minutes per week of MVPA: inactive (no MVPA),...