{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,9]],"date-time":"2026-07-09T08:59:05Z","timestamp":1783587545693,"version":"3.55.0"},"reference-count":39,"publisher":"JMIR Publications Inc.","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JMIR Med Inform"],"abstract":"Abstract<\/jats:title>\n \n Background<\/jats:title>\n Questionnaires assessing symptoms in chronic obstructive pulmonary disease (COPD) rely on retrospective reporting, introducing recall bias and missing symptom variability. Ecological momentary assessment (EMA) addresses these limitations by capturing real-time symptom data.<\/jats:p>\n <\/jats:sec>\n \n Objective<\/jats:title>\n The aim of this study was to compare EMA symptom ratings with traditional questionnaires in patients with COPD.<\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n A subsample from the FAntasTIGUE study rated symptoms using questionnaires (visual analog scale, modified Medical Research Council Dyspnea Scale, Physical Activity Rating Scale-Dyspnea Questionnaire, Checklist Individual Strength-subscale Subjective Fatigue, Hospital Anxiety and Depression Scale, and COPD Assessment Test) and EMA. Participants rated breathlessness, fatigue, anxiety, and energy level on a 7-point Likert scale during 8 random EMA prompts daily for 5 days.<\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n Among 54 participants (mean age 67, SD 7 y; forced expiratory volume in 1 s 53%, SD 20% predicted; n=35, 65% men), the EMA response rate was 76.1%. EMA scores were moderately to strongly correlated with questionnaire scores (\n r<\/jats:italic>\n s<\/jats:sub>\n =0.49-0.78, all\n P<\/jats:italic>\n <.05) and varied across severity groups (all\n P<\/jats:italic>\n <.05). EMA captured significant intraday and interday symptom variability.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusions<\/jats:title>\n EMA is a valid tool for COPD symptom assessment, capturing real-time fluctuations to improve symptom management.<\/jats:p>\n <\/jats:sec>","DOI":"10.2196\/79001","type":"journal-article","created":{"date-parts":[[2026,4,7]],"date-time":"2026-04-07T18:01:32Z","timestamp":1775584892000},"page":"e79001-e79001","source":"Crossref","is-referenced-by-count":1,"title":["Real-Time Symptom Ratings Using Ecological Momentary Assessment Versus Traditional Questionnaires in Patients With Chronic Obstructive Pulmonary Disease: Observational 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