1. Bradley C, Gamsu D: Guidelines for encouraging psychologicalDiabetic Med 1994, well-being: Report of a Working Group of the World Health Organisation Regional Office for Europe and International Diabetes Federation European Region St. Vincent DeclarationAction Programme for Diabetes.11:510-516.
2. Weinberger M, Kirkman MS, Samsa GP, Cowper PA, Shortliffe EA,Simel DL, Feusser JR: The relationship between glycaemic control Med Care 1994,and health-related quality of life in patients with noninsulin-dependent diabetes mellitus.32:1173-1181.
3. Bradley C: The Well-being Questionnaire. In Handbook of PsychologyEdited by: Bradley C. Chur: Harwood Academic and Diabetes: A Guide to Psychological Measurement in Diabetes Research and Practice Publishers; 1994:89-109.
4. Bradley C, Lewis KS: Measures of psychological well-being andDiabetic Medicine 1990, treatment satisfaction developed from the responses of people with tablet-treated diabetes. 7:445-451.
5. Warr PB, Banks MH, Ullah P: The experience of unemploymentBrit J of Psychol 1985, among black and white urban teenagers. 76:75-87.
6. Zung WWK: A self-rating depression scale. Arch Gen Psychiatry 1965, 12:63-70.
7. McMIllan C, Bradley C, Gibney J, Russell-Jones DL, Sönksen PH: PsychometricHealth and Quality2006, 4(1):16. properties of two measures of psychological wellbeing in adult growth hormone deficiency. of Life Outcomes
8. Mitchell J, Bradley C: Psychometric evaluation of the 12-itemQual Life Res 2001, 10:465-473. Well-being Questionnaire for use with people with maculardisease.
9. Acquadro C, Jambon B, Ellis D, Marquis P: Language and translationIn Quality of life and pharmacoeconomics in clinical trials Edited by: Spilker B. Philadelphia: Lippincott-Raven Publishers; 1996:575-585.
10. Ishii H, Bradley C, Riazi A, Barendse S, Yamamoto T: The Japanese Journal of 2000, 192:809-814. (a Japanese Journal version of the Diabetes Treatment Satisfaction Questionnaire (DTSQ): translation and clinical evaluation. Clinical Experimental Medicine publishing in Japanese).
11. Cronbach LJ: Coefficient alpha and the internal structure ofPsychometrika 1951, 16:297-334. tests.
12. Watson D, Clarke LA, Tellegen A: Development and validationJournal of Personality and Social Psychology 1988, 54:1063-1070. of brief measures of positive and negative affect: the PANAS scales.
13. Nunnally JC: Psychometric theory 2nd edition. New York: McGraw-Hill; 1978.
14. Thibult N: Tables: Clinical, biological and psychological analyses In Report to the World Health Organisation, RegionalCopenhagen; 1990. of the continuous subcutaneous insulin infusion (CSII) pump study. Office for Europe
15. Speight J, Barendse S, Bradley C: Impact of positively vs negativelyProc Brit2000, 8:21. worded items on the factor structure of three psychosocial measures: W-BQ22, W-BQ12 and HADS. Psychol Soc
16. Pouwer F, Snoek FJ, van der Ploeg HM, Ader HJ, Heine RJ: The WellbeingPsychol Med 2000, 30:455-462. Questionnaire: evidence for a 3-factor structure with12 items (W-BQ12).
17. Breslau N, Chilcoat H, Schultz LR: Anxiety disorders and theJ Gend Specif1998, 1:33-39.emergence of sex difference in major depression. Med
18. Witthaus E, Stewart J, Bradley C: Treatment satisfaction and psychologicalDiab Med 2001, well-being with insulin glargine compared with NPH in patients with Type 1 diabetes. 18: 619-625.
19. Pouwer F, van der Ploeg HM, Ader HJ, Heine RJ, Snoek FJ: The 12-Diabetes Care 1999, 22:2004-2010.
20. Rasch G: Probabilistic models for some intelligence and attainment tests Chicago: University of Chicago Press; 1960.
21. Bollen KA, Long JS: Testing structural equation models Newbury Park,Calif: Sage Publications; 1993. item Well-being Questionnaire: An evaluation of its validity and reliability in Dutch people with diabetes. issues.