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- Title
Development and validation of a disease-specific treatment satisfaction questionnaire for gastro-oesophageal reflux disease.
- Authors
Coyne, K. S.; Wiklund, I.; Schmier, J.; Halling, K.; Degl' Innocenti, A.; Revicki, D.
- Abstract
: Currently, no disease-specific, patient-based, treatment satisfaction instruments related to gastro-oesophageal reflux disease exist. To develop and validate a treatment satisfaction questionnaire for gastro-oesophageal reflux disease (TSQ-G). : A new questionnaire was developed from patient focus groups, clinician input and literature review. A validation study was conducted in treated gastro-oesophageal reflux disease patients. Ancillary measures included the Medical Outcomes Study Short Form-36, Quality of Life in Reflux and Dyspepsia, Gastrointestinal Symptom Rating Scale, Socially Desirable Response Scale, Patient Satisfaction Questionnaire-18 and physician and patient measures of symptoms and satisfaction. Statistical analyses included exploratory factor analysis, Cronbach's alpha, intra-class correlations, analyses of variance and t-tests. : A total of 198 gastro-oesophageal reflux disease patients participated in the study, with a mean age of 50.7 years, 68% female and 84% Caucasian. The physician-rated severity of gastro-oesophageal reflux disease was mild (32%), moderate (50%) and severe (18%); 83% were on proton pump inhibitors. The final TSQ-G consisted of 28 items with seven sub-scales; Cronbach's alpha ranged from 0.58 to 0.94. Correlations with the expected sub-scales of the ancillary measures were moderate to strong. The TSQ-G sub-scales discriminated significantly between levels of physician-rated disease severity, symptom days and patient and physician ratings of satisfaction. : The TSQ-G has excellent reliability and construct validity and appears to be a useful tool for the evaluation of treatment satisfaction in gastro-oesophageal reflux disease patients.
- Subjects
GASTROESOPHAGEAL reflux treatment; PATIENT satisfaction; QUESTIONNAIRES; PHYSICIAN-patient relations
- Publication
Alimentary Pharmacology & Therapeutics, 2003, Vol 18, Issue 9, p907
- ISSN
0269-2813
- Publication type
Article
- DOI
10.1046/j.1365-2036.2003.01674.x