. 2022 Mar 31;10(3):e28801. doi: 10.2196/28801
©Raoul Nuijten, Pieter Van Gorp, Alireza Khanshan, Pascale Le Blanc, Pauline van den Berg, Astrid Kemperman, Monique Simons. Originally published in JMIR mHealth and uHealth (https://mhealth.jmir.org), 31.03.2022.
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Figure 4.
Number of participants who visited the app at least once per wave.