{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T23:30:55Z","timestamp":1786491055629,"version":"build-2736575974"},"reference-count":58,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T00:00:00Z","timestamp":1777334400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Technology and Health Care"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Clinical fall risk prediction often relies on subjective observation or simplistic metrics, despite the high costs associated with falls in older adults.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This proof-of-concept study evaluated the validity and reliability of a consumer-grade depth camera system as an objective alternative for automated fall risk assessment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Thirty-nine community-dwelling adults performed Timed Up and Go (TUG), Five Times Sit-to-Stand (FTSS), and Tandem Stance (TST) tests. Concurrent measurements were taken by an automated depth camera and blinded physical therapists. Validity (concurrent, convergent, discriminative) and reliability were assessed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Automated FTSS and TUG tests demonstrated strong concurrent validity with therapist measurements (r\u2009=\u20090.813 and 0.915) and high discriminative accuracy for fall history (AUC\u2009=\u20090.941 and 0.864). Depth camera-based FTSS vertical velocity was significantly lower in participants with a fall history (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      \u2009&lt;\u20090.001). TST sway metrics showed limited discriminative validity. The system showed good to excellent test-retest reliability. In an age-stratified analysis of older adults (\u226565 years), AFTSS time and the AUC-weighted composite score demonstrated acceptable discrimination for retrospective fall history (AUC\u2009=\u20090.892 and 0.867, respectively)\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The\u00a0depth camera system showed promise as a valid and reliable tool for objective quantification of performance on fall-risk-related functional tests, particularly FTSS and TUG, when benchmarked against therapist-administered measurements. Discriminative findings against retrospective fall history should be interpreted as exploratory, and larger prospective studies are required before clinical screening thresholds can be recommended.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Trial Registration<\/jats:title>\n                    <jats:p>ClinicalTrials.gov (NCT06519864).<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/09287329261445778","type":"journal-article","created":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T03:14:21Z","timestamp":1777432461000},"page":"592-606","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Validity and reliability of an automated fall risk assessment system using a depth camera in community-dwelling adults: A\u00a0proof-of-concept pilot study"],"prefix":"10.1177","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1105-5771","authenticated-orcid":false,"given":"Sungbae","family":"Jo","sequence":"first","affiliation":[{"name":"Department of Rehabilitation Medicine, Seoul National University Hospital, Seoul 03080, Republic of Korea"},{"name":"Biomedical Research Institute, Seoul National University Hospital, Seoul 03080, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,4,28]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1093\/ageing\/afac176"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-020-76149-4"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1111\/jgs.15304"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1093\/ptj\/80.9.896"},{"key":"e_1_3_3_6_2","first-page":"7456","article-title":"Using single leg standing time to predict the fall risk in elderly","volume":"2013","author":"Chang CJ","year":"2013","unstructured":"Chang CJ, Chang YS, Yang SW. 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