{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T06:03:53Z","timestamp":1789365833800,"version":"build-2803163510"},"reference-count":61,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T00:00:00Z","timestamp":1789344000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Psychol."],"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Sleep disturbances are frequently observed in cancer patients. In addition to validated multi-item scales for assessing sleep disturbances, there are also single-item measures. The aim of this study was to investigate the extent to which such ultra-short single-item assessments of sleep disturbances provide useful information in cancer patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This is a secondary analysis of a prospective multicenter study involving a sample of 970 patients with newly diagnosed cancer (mean age: 60.3\u202fyears; 46.8% women; mixed cancer diagnoses). We analyzed sleep disturbances using three single-item measures: the sleep items of the European-Organization-For-Research-And-Treatment-Of-Cancer Quality of Life Questionnaire (EORTC QLQ-C30) and the Patient Health Questionnaire-9 (PHQ-9), and the dichotomous sleep item included in the Problem List of the Distress Thermometer. Samples of the general population were used as comparison groups.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The sleep quality of the cancer patients was markedly poorer than that of the general population, with effect sizes between 0.67 and 0.74. The correlations between the sleep measures in the patients\u2019 sample were between 0.61 and 0.74. The three sleep measures provided similar results regarding group differences based on sociodemographic and clinical variables, and their correlations with other scales of quality of life and mental health were also similar.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Despite the lower reliability of the single-item measures of sleep quality in comparison with multi-item scales, these single items can help identify groups of patients who are at increased risk of sleep disturbances and the factors that contribute to poor sleep.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fpsyg.2026.1812791","type":"journal-article","created":{"date-parts":[[2026,9,14]],"date-time":"2026-09-14T05:38:45Z","timestamp":1789364325000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["The assessment of sleep disturbances in cancer patients when measured with single items"],"prefix":"10.3389","volume":"17","author":[{"given":"Andreas","family":"Hinz","sequence":"first","affiliation":[{"name":"Department of Medical Psychology and Medical Sociology, Comprehensive Cancer Center Central Germany (CCCG), University Medical Center Leipzig","place":["Leipzig, Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jochen","family":"Ernst","sequence":"additional","affiliation":[{"name":"Department of Medical Psychology and Medical Sociology, Comprehensive Cancer Center Central Germany (CCCG), University Medical Center Leipzig","place":["Leipzig, Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ute","family":"Goerling","sequence":"additional","affiliation":[{"name":"Charit\u00e9 - Universit\u00e4tsmedizin Berlin, Corporate Member of Freie Universit\u00e4t Berlin, Humboldt-Universit\u00e4t zu Berlin, and Berlin Institute of Health, Charit\u00e9 Comprehensive Cancer Center","place":["Berlin, Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tanja","family":"Zimmermann","sequence":"additional","affiliation":[{"name":"Department of Psychosomatic Medicine and Psychotherapy, Hannover Medical School","place":["Hannover, Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beate","family":"Hornemann","sequence":"additional","affiliation":[{"name":"Comprehensive Cancer Center, University Clinic Centre Dresden","place":["Dresden, Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katja","family":"Petrowski","sequence":"additional","affiliation":[{"name":"Department of Medical Psychology and Medical Sociology, University Medical Center, Johannes Gutenberg University of Mainz","place":["Mainz, Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anja","family":"Mehnert-Theuerkauf","sequence":"additional","affiliation":[{"name":"Department of Medical Psychology and Medical Sociology, Comprehensive Cancer Center Central Germany (CCCG), University Medical Center Leipzig","place":["Leipzig, Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,9,14]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"365","DOI":"10.1093\/jnci\/85.5.365","article-title":"The European-organization-for-research-and-treatment-of-Cancer QLQ-C30 - a quality-of-life instrument for use in international clinical trials in oncology","volume":"85","author":"Aaronson","year":"1993","journal-title":"J. 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