Validation of the translation and cross-cultural adaptation into Finnish of the Abdominal Symptom Questionnaire, the Hospital Anxiety and Depression Scale and the Complaint Score Questionnaire

References

• Agréus L. The epidemiology of functional gastrointestinal disorders. Eur J Surg 1998;164 Suppl 583:60–6.
   Google Scholar
• Agréus L. Socio-economic factors, health care consumption and rating of abdominal symptom severity. A report from The Abdominal Symptom Study. Fam Pract 1993;10:152–63.
   PubMed Web of Science ®Google Scholar
• Jones R, Lydeard S. Prevalence of symptoms of dyspepsia in the community. Br Med J 1989;298:30–2.
   PubMed Web of Science ®Google Scholar
• Jones R, Lydeard S. Irritable bowel syndrome in the general population. Br Med J 1992;304:87–90.
   PubMed Web of Science ®Google Scholar
• Lydeard S, Jones R. Factors affecting the decision to consult with dyspepsia: comparison of consulters and non-consulters. J R Coll Gen Pract 1989;39:495–8.
   PubMedGoogle Scholar
• Hu WH, Wong WM, Lam CL, Lam KF, Hui WM, Lai KC, et al. Anxiety but not depression determines health care-seeking behaviour in Chinese patients with dyspepsia and irritable bowel syndrome: a population-based study. Aliment Pharmacol Ther 2002;16:2081–8.
   PubMed Web of Science ®Google Scholar
• Crawley J, Hamelin B, Gallagher E. Does it matter why heartburn sufferers seek health care? Gastroenterology 2000; 118 Suppl:A–209.
   Google Scholar
• Talley NJ, Fung LH, Gilligan IJ, McNeil D, Piper DW. Association of anxiety, neuroticism, and depression with dyspepsia of unknown cause. A case-control study. Gastroenterology 1986;90: 886–92.
   Google Scholar
• Lydiard RB. Irritable bowel syndrome, anxiety, and depression: what are the links? J Clin Psychiatry 2001;62:38–45.
   PubMed Web of Science ®Google Scholar
• Haug TT, Svebak S, Wilhelmsen I, Berstad A, Ursin H. Psychological factors and somatic symptoms in functional dyspepsia. A comparison with duodenal ulcer and healthy controls. J Psychosom Res 1994;38:281–91.
   Google Scholar
• Whitehead WE, Palsson O, Jones KR. Systematic review of the comorbidity of irritable bowel syndrome with other disorders: what are the causes and implications? Gastroenterology 2002; 122:1140–56.
   Google Scholar
• Wiklund I, Butler-Wheelhouse P. Psychosocial factors and their role in symptomatic gastroesophageal reflux disease and functional dyspepsia. Scand J Gastroenterol 1996;31 Suppl 220:94100.
   Google Scholar
• Aro P, Ronkainen J, Storskrubb T, Bolling-Sternevald E, Carlsson R, Johansson S-E, et al. Valid symptom reporting at upper endoscopy in a random sample of the Swedish adult general population. The Kalixanda Study. Scand J Gastroenterol 2004;29:1280–8.
   Google Scholar
• Guillemin F, Bombardier C, Beaton D. Cross-cultural adaptation of health-related quality of life measures: literature review and proposed guidelines. J Clin Epidemiol 1993;46:1417–32.
   Google Scholar
• Agréus L. The Abdominal Symptom Study. An epidemiological survey of gastrointestinal and other abdominal symptoms in the adult population of Östhammar, Sweden [thesis]. Uppsala University Uppsala, Sweden; 1993.
   Google Scholar
• Agréus L, Svärdsudd K, Nyrén O, Tibblin G. Reproducibility and validity of a postal questionnaire. The abdominal symptom study. Scand J Prim Health Care 1993;11:252–62.
   PubMedGoogle Scholar
• Agréus L, Svärdsudd K, Nyrén O, Tibblin G. Irritable bowel syndrome and dyspepsia in the general population: overlap and lack of stability over time. Gastroenterology 1995;109:671–80.
   PubMed Web of Science ®Google Scholar
• Drossman DA. Rome II. The functional gastrointestinal disorders. 2nd ed. McLean. VA, USA: Degnon Associates; 2000.
   Google Scholar
• Carlsson R, Dent J, Bolling-Sternevald E, Johnsson F, Junghard O, Lauritsen K, et al. The usefulness of a structured questionnaire in the assessment of symptomatic gastroesophageal reflux disease. Scand J Gastroenterol 1998;33:1023–9.
   Google Scholar
• Zigmond AS, Snaith RP. The hospital anxiety and depression scale. Acta Psychiatr Scand 1983;67:361–70.
   PubMed Web of Science ®Google Scholar
• Lisspers J, Nygren A, Söderman E. Hospital Anxiety and Depression Scale (HAD): some psychometric data for a Swedish sample. Acta Psychiatr Scand 1997;96:281–6.
   Google Scholar
• Tibblin G, Tibblin B, Peciva S, Kullman S, Svärdsudd K. ‘The Göteborg quality of life instrument’: an assessment of well-being and symptoms among men born 1913 and 1923. Methods and validity. Scand J Prim Health Care 1990;Suppl 1:33–8.
   Google Scholar
• Wiklund I, Halling K, Hedner E, Junghard O. Psychometric properties of the Nordic versions of the quality of life in reflux and dyspepsia (QOLRAD) questionnaire. Qual Life Res 1999; Suppl 8:A25.
   Google Scholar
• Dimenäs E, Glise H, Hallerbäck B, Hernqvist H, Svedlund J, Wiklund I. Well-being and gastrointestinal symptoms among patients referred to endoscopy owing to suspected duodenal ulcer. Scand J Gastroenterol 1995;30:1046–52.
   Google Scholar
• Dimenäs E, Carlsson G, Glise H, Israelsson B, Wiklund I. Relevance of norm values as part of the documentation of quality of life instruments for use in upper gastrointestinal disease. Scand J Gastroenterol 1996;31 Suppl 221:8–13.
   Google Scholar
• Hagman E. SF-36-terveyskysely koetun terveyden ja toimin-takyvyn mittarina. Suomen Lääkärileht 1996;51:3534–41.
   Google Scholar
• Ware JE Jr, Sherbourne CD. The MOS 36-item short-form health survey (SF-36): I. Conceptual framework and item selection. Med Care 1992;30:473–83.
   Google Scholar
• Sullivan M, Karlsson J, Ware JJ. The Swedish SF-36 Health Survey-I. Evaluation of data quality, scaling assumptions, reliability and construct validity across general populations in Sweden. Soc Sci Med 1995;41: 1349–58.
   Google Scholar
• Carmines EG, Zeller RA. Reliability and validity assessment. Beverly Hills/London/New Delhi: Sage Publications Inc.; 1983.
   Google Scholar
• Shumaker S, Anderson R, Czajhowski S. Psychological tests and scales. In: Spilker B, editor. Quality of life assessments in clinical trial. New York: Raven Press; 1990. p. 95–113.
   Google Scholar
• Morrison DF. Multivariate statistical methods. 3rd ed. New York: McGraw-Hill; 1990.
   Google Scholar
• Talley NJ, Holtmann G, Agréus L, Jones M. Gastrointestinal symptoms and subjects cluster into distinct upper and lower groupings in the community: a four nations study. Am J Gastroenterol 2000;95:1439–47.
   Google Scholar
• Cronbach LJ. Coefficient alpha and the internal structure of tests. Psychometrika 1951;16:297–334.
   Web of Science ®Google Scholar
• Mokken RJ. A theory and procedure of scale analysis with applications in political research. The Hague: Mouton; 1971.
   Google Scholar
• Nunnally JC, Bernstein IH. Psychometric theory. 3rd ed. New York: McGraw-Hill; 1994.
   Google Scholar
• Bartko JJ, Carpenter WT. On the methods and theory of reliability. JNerv Ment Dis 1976;163:307–17.
   PubMed Web of Science ®Google Scholar
• Haas M. The reliability of reliability. J Manipulative Physiol Ther 1991;14:199–208.
   PubMed Web of Science ®Google Scholar
• Sackett DL. A primer on the precision and accuracy of the clinical examination. JAMA 1992;267:2638–44.
   PubMed Web of Science ®Google Scholar
• Rosner B. Fundamentals of Biostatistics. 5th ed. Pacific Grove, California, USA: Duxbury; 2000.
   Google Scholar
• Bullinger M, Alonso J, Apolone G, Leplege A, Sullivan M, Wood-Dauphinee S, et al. Translating health status questionnaires and evaluating their quality: the IQOLA Project approach. International quality of life assessment. J Clin Epidemiol 1998; 51:913–23.
   Google Scholar
• Talley NJ, Vakil N, Delaney B, Marshall B, Bytzer P, Engstrand L, et al. Management issues in dyspepsia: current consensus and controversies. Scand J Gastroenterol 2004;39:913–8.
   PubMed Web of Science ®Google Scholar
• Dent J, Armstrong BK, Delaney B, Moayyedi P, Talley NJ, Vakil N, et al. Symptom evaluation in reflux disease. Proceedings of a workshop held in Marrakesh, Morocco. Gut 2004;53 Suppl IV.
   Google Scholar
• Bjelland I, Dahl AA, Haug TT, Neckelmann D. The validity of the Hospital Anxiety and Depression Scale. An updated literature review. J Psychosom Res 2002;52:69–77.
   PubMed Web of Science ®Google Scholar
• Wiklund I, Glise H, Jerndal P, Carlsson J, Talley NJ. Does endoscopy have a positive impact on quality of life in dyspepsia? Gastrointest Endosc 1998;47:449–54.
   PubMed Web of Science ®Google Scholar
• Talley N, Stanghellini V, Heading R, Koch K, Malagelada J, Tytgat G. Functional gastroduodenal disorders. Gut 1999; 45 Suppl 11:1137–42.
   Google Scholar
• Kulich KR, Malfertheiner P, Madisch A, Labenz J, Bayerdorffer E, Miehlke S, et al. Psychometric validation of the German translation of the Gastrointestinal Symptom Rating Scale (GSRS) and Quality of Life in Reflux and Dyspepsia (QOLRAD) questionnaire in patients with reflux disease. Health Qual Life Outcomes 2003;1:62.
   PubMedGoogle Scholar