Accepted for/Published in: JMIR Public Health and Surveillance
Date Submitted: Dec 1, 2022
Date Accepted: May 24, 2023
Multicomponent Intervention in Office-based Workers to Mitigate Occupational Sedentary Behavior: Systematic Review and Meta-analysis
ABSTRACT
Background:
With the continuous mechanization, automation, and informatization of society, substantial labor jobs have been transformed into the sedentary service industry and office-based professions coinciding with fewer energy expenditures and physical activity opportunities. Sedentary time in the workplace has been linked to chronic occupational diseases.
Objective:
This meta-analysis aimed to evaluate the effectiveness of a multicomponent intervention to reduce sedentary behavior at work compared to no intervention.
Methods:
We searched the PubMed, EMBASE, Cochrane Library, and Web of Science databases for randomized controlled trials (RCTs) that assessed the effects of the multicomponent intervention on the occupational sedentary behavior of office-based workers until 17 May 2022. The risk of bias was assessed using the Cochrane Collaboration Risk of Bias Tool. Mean differences (MDs) with 95% confidence intervals (CIs) were used to calculate continuous variables. Statistical analyses were performed using Stata 15.1 software. The Grades of Recommendation, Assessment, Development, and Evaluation (GRADE) system was used to evaluate the certainty of the evidence.
Results:
10 RCTs involving 1138 patients were analyzed. Three studies were rated as having a low risk of bias, and seven had a high risk. The meta-analysis results show that, compared to no intervention, the multicomponent intervention significantly reduced occupational sitting time (MD = 48.73 min/8-h workday; 95% CI = 70.08 to 27.37) and occupational prolonged sitting time (MD = 39.65 min/8-h workday; 95% CI = 66.04 to 13.25) and increased occupational standing time (MD = 46. 12 min/8-h workday; 95% CI = 17.88 to 74.37), while no significant differences were found in occupational stepping time. The GRADE evidence summary of certainty showed that all four outcomes were rated as low.
Conclusions:
The multicomponent intervention is indeed effective in reducing sedentary behavior in the workplace but may need to be accompanied by the sit-stand workstation. Clinical Trial: Our study protocol was registered with the International Prospective Register of Systematic Reviews (PROSPERO); registration number: CRD42022348003.
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