Published on in Vol 5, No 12 (2021): December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/30702, first published
.
![Depression, Anxiety, and Daily Activity Among Adolescents Before and During the COVID-19 Pandemic: Cross-sectional Survey Study Depression, Anxiety, and Daily Activity Among Adolescents Before and During the COVID-19 Pandemic: Cross-sectional Survey Study](https://asset.jmir.pub/assets/fbe0bedfc4b4c6dd62bc7b5bd405a146.png 480w,https://asset.jmir.pub/assets/fbe0bedfc4b4c6dd62bc7b5bd405a146.png 960w,https://asset.jmir.pub/assets/fbe0bedfc4b4c6dd62bc7b5bd405a146.png 1920w,https://asset.jmir.pub/assets/fbe0bedfc4b4c6dd62bc7b5bd405a146.png 2500w)
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