• Danny Claessens, Esther A Boudewijns, Lotte C E M Keijsers, Annerika H M Gidding-Slok, Bjorn Winkens, and van SchayckOnno C POCPDepartment of Family Medicine, Care and Public Health Research Institute, Maastricht University, Maastricht, The Netherlands..
• Department of Family Medicine, Care and Public Health Research Institute, Maastricht University, Maastricht, The Netherlands danny.claessens@maastrichtuniversity.nl.
• Ann Fam Med. 2023 Mar 1; 21 (2): 103111103-111.

PurposeThe Assessment of Burden of Chronic Conditions (ABCC) tool was developed to improve care by facilitating shared decision making and self-management. It assesses and visualizes the experienced burden of 1 or multiple chronic conditions and integrates it in daily care. The aim of this study is to evaluate whether the ABCC scale is valid and reliable in people with chronic obstructive pulmonary disease (COPD), asthma, or type 2 diabetes (T2D).MethodsThe Saint George Respiratory Questionnaire (SGRQ), the Standardized Asthma Quality of Life Questionnaire (AQLQ-S), and the Audit of Diabetes Dependent Quality of Life Questionnaire (ADDQoL19) were compared with the ABCC scale to assess convergent validity. The internal consistency was evaluated using Cronbach's α. Test-retest reliability was evaluated at a 2-week interval.ResultsA total of 65 people with COPD, 62 with asthma, and 60 with T2D were included. The ABCC scale correlated, in accordance with hypotheses, with the SGRQ (75% of correlations ≥0.7), AQLQ-S (100%), and ADDQoL19 (75%). The ABCC scale was internally consistent with a Cronbach's α of 0.90, 0.92, and 0.91 for the total score for people with COPD, asthma, and T2D, respectively. The ABCC scale had a good test-retest reliability with an intraclass correlation coefficient of 0.95, 0.93, and 0.95 for people with COPD, asthma, and T2D, respectively.ConclusionsThe ABCC scale is a valid and reliable questionnaire that can be used within the ABCC tool for people with COPD, asthma, or T2D. Future research should indicate whether this applies to people with multimorbidity, and what the effects and experiences are upon clinical use.© 2023 Annals of Family Medicine, Inc.

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