Published on in Vol 21, No 7 (2019): July
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14210, first published
.
![Effects of Digital Device Ownership on Cognitive Decline in a Middle-Aged and Elderly Population: Longitudinal Observational Study Effects of Digital Device Ownership on Cognitive Decline in a Middle-Aged and Elderly Population: Longitudinal Observational Study](https://asset.jmir.pub/assets/744e89d3e65f7290270381d9516167de.png 480w,https://asset.jmir.pub/assets/744e89d3e65f7290270381d9516167de.png 960w,https://asset.jmir.pub/assets/744e89d3e65f7290270381d9516167de.png 1920w,https://asset.jmir.pub/assets/744e89d3e65f7290270381d9516167de.png 2500w)
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