Published on in Vol 6, No 3 (2018): March
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/9612, first published
.
![Self-Directed Engagement with a Mobile App (Sinasprite) and Its Effects on Confidence in Coping Skills, Depression, and Anxiety: Retrospective Longitudinal Study Self-Directed Engagement with a Mobile App (Sinasprite) and Its Effects on Confidence in Coping Skills, Depression, and Anxiety: Retrospective Longitudinal Study](https://asset.jmir.pub/assets/ef966d3267e44e4c99f0217cca58ff36.jpg 480w,https://asset.jmir.pub/assets/ef966d3267e44e4c99f0217cca58ff36.jpg 960w,https://asset.jmir.pub/assets/ef966d3267e44e4c99f0217cca58ff36.jpg 1920w,https://asset.jmir.pub/assets/ef966d3267e44e4c99f0217cca58ff36.jpg 2500w)
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