{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,24]],"date-time":"2026-08-24T06:22:47Z","timestamp":1787552567529,"version":"build-2736575974"},"reference-count":50,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100002341","name":"Research Council of Finland","doi-asserted-by":"publisher","award":["351670"],"award-info":[{"award-number":["351670"]}],"id":[{"id":"10.13039\/501100002341","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100009708","name":"Novo Nordisk Foundation","doi-asserted-by":"crossref","award":["NNF21OC0072621"],"award-info":[{"award-number":["NNF21OC0072621"]}],"id":[{"id":"10.13039\/501100009708","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100014438","name":"Business Finland","doi-asserted-by":"publisher","award":["6704\/31\/2019"],"award-info":[{"award-number":["6704\/31\/2019"]}],"id":[{"id":"10.13039\/501100014438","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100005633","name":"Finnish Foundation for Cardiovascular Research","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100005633","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Suorsa Healthcare Foundation"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Health Informatics J"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Health behavior change support systems (HBCSS) have emerged as effective tools for promoting well-being. Mood and motivation are key psychological aspects of these systems, influencing user engagement. This study aimed to understand mood and motivation within a weight-management HBCSS by analyzing user sentiments reflected in self-monitoring diary entries, examining their relationship with weight-loss outcomes, and identifying factors that influence motivation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A sequential explanatory mixed-methods approach was employed, incorporating sentiment analysis and ordinal logistic regression, followed by thematic analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Higher valence scores were associated with higher weight-loss categories. Temporal patterns indicated a decline in positive sentiment and an increase in neutral sentiment over the course of intervention use. Thematic analysis revealed four main themes, each comprising subthemes reflecting motivational facilitators and challenges: sustained self-motivation; self-awareness and progress evaluation; self-regulation and control; and context and environment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>These findings deepen our understanding of how mood and motivation influence behavior change in weight management, offering insights for developing systems that support behavior change.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/14604582261480535","type":"journal-article","created":{"date-parts":[[2026,8,22]],"date-time":"2026-08-22T10:55:11Z","timestamp":1787396111000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Understanding user mood and motivation in a mobile health behavior change support system: Insights from a mixed-methods approach"],"prefix":"10.1177","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-5960-6222","authenticated-orcid":false,"given":"Sharon","family":"Nabwire","sequence":"first","affiliation":[{"name":"University of Oulu"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3042-2621","authenticated-orcid":false,"given":"Renata Savian Colvero de","family":"Oliveira","sequence":"additional","affiliation":[{"name":"University of Oulu"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heta","family":"Merikallio","sequence":"additional","affiliation":[{"name":"University of Oulu"},{"name":"Oulu University Hospital and University of Oulu"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Markku J.","family":"Savolainen","sequence":"additional","affiliation":[{"name":"University of Oulu"},{"name":"Oulu University Hospital and University of Oulu"},{"name":"Oulu University Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4981-0525","authenticated-orcid":false,"given":"Janne","family":"Hukkanen","sequence":"additional","affiliation":[{"name":"University of Oulu"},{"name":"Oulu University Hospital and University of Oulu"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1442-0562","authenticated-orcid":false,"given":"Harri","family":"Oinas-Kukkonen","sequence":"additional","affiliation":[{"name":"University of Oulu"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,8,22]]},"reference":[{"key":"e_1_3_8_2_2","unstructured":"World Health Organization. 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