Impact of sit-stand desks on subjective sitting time and psychological outcomes in office workers: findings from the SUFHA randomized controlled trial
Jorge Oliveira·Pedro B. Júdice·Ander Espin·Sabrina C. Teno·Hélio Silva·Patrícia Monteiro·Isabel Santos
Objective: Prolonged sitting is a major risk factor for adverse health outcomes, even among physically active individuals. This study evaluated the effectiveness of a six-month sit-stand desk intervention in reducing sitting time and improving psychological outcomes in office workers. Methods: A clustered randomized controlled trial was conducted with 38 office workers, allocated to either a sit-stand desk intervention or a traditional desk control group. Outcomes were assessed using validated s