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Updated: Nov 2, 2025
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Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies
Published on: February 3, 2023
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Japan's voluntary lockdown
Tsutomu Watanabe1, Tomoyoshi Yabu2
1Graduate School of Economics, University of Tokyo, Bunkyo, Tokyo, Japan.
Plos One
|June 10, 2021
Summary
Government policies during COVID-19 influenced behavior. Information, not just mandates, encouraged people to stay home, reducing outings and aiding pandemic containment.
Area of Science:
- Public Health
- Behavioral Economics
- Epidemiology
Background:
- Governments worldwide implemented measures to control COVID-19 spread.
- Understanding the behavioral impact of these policies is crucial for effective pandemic response.
Purpose of the Study:
- To analyze how Japanese government policies influenced public behavior during the COVID-19 pandemic.
- To differentiate between compliance with requests and voluntary behavior change.
Main Methods:
- Utilized smartphone location data to create a daily prefecture-level stay-at-home measure.
- Quantified the impact of government declarations and infection rates on mobility.
Main Results:
- The state of emergency reduced outings by 8.5%, comparable to US lockdown estimates.
- A 1% rise in infections decreased outings by 0.027%.
- In Tokyo, government requests accounted for 25% of reduced outings; information dissemination explained the other 75%.
Conclusions:
- Effective pandemic containment relies on providing information that prompts voluntary behavior change.
- Appropriate information, rather than strict mandates, is key to modifying public behavior during health crises.
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