Published on in Vol 8, No 1 (2021): January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/23699, first published
.
![The Effects of Downloading a Government-Issued COVID-19 Contact Tracing App on Psychological Distress During the Pandemic Among Employed Adults: Prospective Study The Effects of Downloading a Government-Issued COVID-19 Contact Tracing App on Psychological Distress During the Pandemic Among Employed Adults: Prospective Study](https://asset.jmir.pub/assets/c5daa94681560d27871f291ae129391f.png 480w,https://asset.jmir.pub/assets/c5daa94681560d27871f291ae129391f.png 960w,https://asset.jmir.pub/assets/c5daa94681560d27871f291ae129391f.png 1920w,https://asset.jmir.pub/assets/c5daa94681560d27871f291ae129391f.png 2500w)
1 Department of Mental Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
2 Division for Environment, Health and Safety, The University of Tokyo, Tokyo, Japan
3 School of Health Innovation, Kanagawa University of Human Services, Kawasaki, Japan