{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T14:02:21Z","timestamp":1785420141719,"version":"3.56.0"},"reference-count":52,"publisher":"Cambridge University Press (CUP)","license":[{"start":{"date-parts":[[2026,7,6]],"date-time":"2026-07-06T00:00:00Z","timestamp":1783296000000},"content-version":"unspecified","delay-in-days":186,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["cambridge.org"],"crossmark-restriction":true},"short-container-title":["Pall Supp Care"],"published-print":{"date-parts":[[2026]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec id=\"S1478951526103083_sec1a\">\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>The breath counting task (BCT) has shown evidence of validity as a behavioral measure of mindfulness in healthy populations but remains largely untested in clinical contexts. The BCT is a computerized measure of present-moment awareness based on breath-counting accuracy. This study provides a preliminary evaluation of its validity in adults with advanced cancer and their family caregivers.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S1478951526103083_sec2b\">\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Fifty-five patient-caregiver dyads were randomized to a 6-week mindfulness intervention or usual care. Participants completed the BCT and self-report surveys at baseline, post-intervention, and 1-month follow-up. The BCT\u2019s construct validity was examined through: (1) sensitivity to mindfulness intervention using linear mixed models, (2) convergent validity via correlations with self-reported mindfulness and theoretically related constructs (e.g., inner peace), and (3) criterion validity via correlations with clinical outcomes (e.g., quality of life).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S1478951526103083_sec3c\" sec-type=\"results\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Findings differed for patients and caregivers. Among caregivers, the BCT demonstrated sensitivity to intervention; breath-counting accuracy on the BCT increased over time in the mindfulness condition and remained stable\u00a0in the usual care condition. Among patients in the mindfulness condition, greater breath-counting accuracy was moderately associated with better quality of life at follow-ups, including a significant correlation at 1\u00a0month (\n                      <jats:italic>r<\/jats:italic>\n                      \u00a0=\u00a0.57,\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a0.05), supporting its criterion validity. Evidence of convergent validity was limited. However, for patients and caregivers, greater breath-counting accuracy was moderately associated with higher self-reported mindfulness facets following intervention.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"S1478951526103083_sec4d\">\n                    <jats:title>Significance of results<\/jats:title>\n                    <jats:p>Preliminary findings suggest the BCT may capture certain attentional aspects of mindfulness in patients with advanced cancer and caregivers; however, patterns varied across groups, highlighting the need for further evaluation of its validity in clinical contexts.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1017\/s1478951526103083","type":"journal-article","created":{"date-parts":[[2026,7,6]],"date-time":"2026-07-06T06:28:31Z","timestamp":1783319311000},"update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":0,"title":["Preliminary examination of the validity of a behavioral mindfulness measure in adults with advanced cancer and their family caregivers"],"prefix":"10.1017","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-0126-469X","authenticated-orcid":false,"given":"Megan F.","family":"Noonan","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03eftgw80","id-type":"ROR","asserted-by":"publisher"}],"name":"Indiana University Indianapolis"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9689-5392","authenticated-orcid":false,"given":"Catherine E.","family":"Mosher","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03eftgw80","id-type":"ROR","asserted-by":"publisher"}],"name":"Indiana University 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Published by Cambridge University Press.","name":"copyright","label":"Copyright","group":{"name":"copyright_and_licensing","label":"Copyright and Licensing"}},{"value":"This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http:\/\/creativecommons.org\/licenses\/by\/4.0), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.","name":"license","label":"License","group":{"name":"copyright_and_licensing","label":"Copyright and Licensing"}},{"value":"This content has been made available to all.","name":"free","label":"Free to read"}],"article-number":"e187"}}