Published on in Vol 9 (2023)
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/44682, first published
.
![The Effect of Activity Participation in Middle-Aged and Older People on the Trajectory of Depression in Later Life: National Cohort Study The Effect of Activity Participation in Middle-Aged and Older People on the Trajectory of Depression in Later Life: National Cohort Study](https://asset.jmir.pub/assets/c024c523a5fcf1adc3cba859e2ebd28c.png 480w,https://asset.jmir.pub/assets/c024c523a5fcf1adc3cba859e2ebd28c.png 960w,https://asset.jmir.pub/assets/c024c523a5fcf1adc3cba859e2ebd28c.png 1920w,https://asset.jmir.pub/assets/c024c523a5fcf1adc3cba859e2ebd28c.png 2500w)
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