Association of the coronavirus disease (COVID-19) pandemic with changes in objectively measured sedentary behaviour and adiposity
Authors' conclusion
The COVID-19 pandemic was associated with objectively measured sedentary behaviour and obesity-related factors in Japanese adults. Additionally, an increase in sedentary behaviour was associated with an increase in VFA, whereas the association of sedentary behaviour with adiponectin was partly mediated by VFA. These results suggest that avoiding increasing sedentary time is important to prevent visceral adiposity thereby ameliorating adiponectin, especially during behavioural limitations such as the COVID-19 pandemic.
Study context
- Population
- Japanese adults undergoing health check-ups in 2018 and 2020
- Participants
- 257 adults
- Exposure
- 2020 vs 2018
- Outcome
- Sedentary behaviour, VFA and adiponectin, 2020 vs 2018
- Follow-up
- 2020 vs 2018
Methodological detailsobjectively measured sedentary behaviour (accelerometer)
- Objectively measured sedentary behaviour (accelerometer)
Main finding
As reported in the abstract
- Sedentary behaviour significantly increased in 2020
- P < 0.001
- Visceral fat area (VFA) significantly increased in 2020
- P = 0.006
- Adiponectin level significantly decreased in 2020
- P < 0.001
Observational data: associations, not effects.
Further findings
Association of increased sedentary behaviour with change in VFA and adiponectin (multiple linear regression)
- Increase in VFA, β
- 3.85 (95% CI 1.22-6.49, P = 0.004)
- Decrease in adiponectin, β
- −0.04 (95% CI −0.06 to −0.01, P = 0.005)
- Association with adiponectin not significant after considering effects of VFA
Original publication
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