The original W-BQ (22-item version) was developed in 1982. It was reduced in the early 1990s to form the shorter, more balanced W-BQ12. The longer version W-BQ28 was developed in the late 1990s and is diabetes-specific. The W-BQ-12 is widely used in clinical trials and other studies in different patient groups
Year: 2000 Authors: Bradley Disease: T2DM Outcome: Quality of life
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Measure: Psychological distress
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Number of RCTs that used this tool (in our study): 3
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Scale: Higher scores are better Reference: Bradley C. (2000). The 12-Item Well-Being Questionnaire: origins, current stage of development, and availability. Diabetes care, 23(6), 875.
Target population: General population Focus Generic Translations available: Yes Original version validated: Yes Original language: English Form of delivery: Self-reported Licence needed: No 10.2337/diacare.23.6.875