The Attitudes about Complex Therapy Scale (ACTS) in Type 2 Diabetes and Cardiovascular Disease: Development, Validity and Reliability

Stack, R.J. ORCID: 0000-0002-0516-0228, Noyce, P.R., New, J.P., Elliott, R.A. and Bundy, C., 2015. The Attitudes about Complex Therapy Scale (ACTS) in Type 2 Diabetes and Cardiovascular Disease: Development, Validity and Reliability. International Journal of Diabetology & Vascular Disease Research, 3 (9), pp. 130-136. ISSN 2328-353X

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Abstract

Background: Type 2 diabetes is associated with cardiovascular disease, and patients with both conditions are prescribed complex medication regimens.
Aim: The aim was to develop a reliable and valid measure of attitudes associated with the prescription and management of multiple medicines in patients with Type 2 diabetes and cardiovascular disease.
Methods: Principal component analysis (PCA) and Cronbach alpha assessed the reliability of the Attitudes about Complex Therapy Scale (ACTS). Examinations of relationships with related measures inform concurrent validity. Questionnaires were sent to a cross-sectional sample of 480 people prescribed multiple medicines for co-morbid Type 2 diabetes.
Results: Cronbach alpha was 0.76, indicating the scale had good internal reliability. PCA rotated a four factor model accounting for 37% of the variance. Four subscales identified; 1. Concerns about multiple medicines and increasing numbers of medicines; 2.Anxiety over missed medicines; 3. Desires to substitute medicines and reduce the number of medicines prescribed and; 4. Perceptions related to organising and managing complex therapy. The ACTS showed significant relationships with measures of anxiety, depression, general beliefs about medicines and self-efficacy. Also, the ACTS significantly correlated with adherence to medicines, showing good predictive validity.
Conclusion: The ACTS was designed to assess negative attitudes towards complex therapy and multiple medication management. This tool could aid prescribing decisions and may identify people who are intentionally non-adherent to all or some of their medicines.

Item Type: Journal article
Publication Title: International Journal of Diabetology & Vascular Disease Research
Creators: Stack, R.J., Noyce, P.R., New, J.P., Elliott, R.A. and Bundy, C.
Publisher: SciDoc Publishers
Date: 2015
Volume: 3
Number: 9
ISSN: 2328-353X
Identifiers:
NumberType
10.19070/2328-353X-1500028DOI
Rights: Copyright: Rebecca J Stack© 2015. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.
Divisions: Schools > School of Social Sciences
Depositing User: Jill Tomkinson
Date Added: 05 Feb 2016 13:42
Last Modified: 09 Jun 2017 13:58
URI: http://irep.ntu.ac.uk/id/eprint/26889

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