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We conducted a qualitative study with 24 older persons to explore their perspective on wearables and PA. First, we discussed their relationship with PA and wearable trackers during focus groups. Next, nine participants crafted prototypes for wearables during co-design sessions. Through Thematic Analysis, we identified two main themes: (1) PA is personal in terms of preferred activities and reasons for PA, and (2) wearables are an emotional technology, causing negative emotions when resembling medical trackers or pressurizing to perform. We followed upon these results through a survey with 41 participants, which further highlighted individual differences in the perception of wearables. We conclude with questions to guide the design of wearables and reflect on their role to support PA in late life.<\/jats:p>","DOI":"10.1145\/3473463","type":"journal-article","created":{"date-parts":[[2021,8,19]],"date-time":"2021-08-19T19:31:13Z","timestamp":1629401473000},"page":"1-28","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":28,"title":["Irrelevant Gadgets or a Source of Worry"],"prefix":"10.1145","volume":"14","author":[{"given":"Dimitri","family":"Vargemidis","sequence":"first","affiliation":[{"name":"KU Leuven, Leuven, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kathrin","family":"Gerling","sequence":"additional","affiliation":[{"name":"KU Leuven, Leuven, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vero Vanden","family":"Abeele","sequence":"additional","affiliation":[{"name":"KU Leuven, Leuven, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luc","family":"Geurts","sequence":"additional","affiliation":[{"name":"KU Leuven, Leuven, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katta","family":"Spiel","sequence":"additional","affiliation":[{"name":"KU Leuven, Belgium, TU Wien, Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2021,8,19]]},"reference":[{"key":"e_1_2_1_1_1","first-page":"9","article-title":"A systematic review on what features should be supported by fitness apps and wearables to help users overcome obesity","volume":"5","author":"Alturki Ryan M.","year":"2016","unstructured":"Ryan M. 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