How does occupational physical activity influence health? An umbrella review of 23 health outcomes across 158 observational studies.
Bart CillekensMatthias LangWillem van MechelenEvert A L M VerhagenMaaike A HuysmansAndreas HoltermannAllard J van der BeekPieter CoenenPublished in: British journal of sports medicine (2021)
We found favourable associations for most health-related outcomes with high OPA levels, but we also found some evidence for unfavourable associations due to high OPA levels. At this point, there is a need for better quality evidence to provide a unequivocal statement on the health effects of OPA.