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Development and validation of a questionnaire to measure empowerment in adult patients with atopic dermatitis. The DATEMP questionnaire

AuthorsPereyra‐Rodriguez, Jose Juan; Domínguez-Cruz, Javier Jesús; Hernández‐Montoya, Carlos; Galan‐Gutiérrez, Manuel; Martín-Carrasco, P.; Alcantara‐Luna, Sara; Navarro‐Triviño, Francisco José; Pozo, Jesús del; Ruiz‐Villaverde, Ricardo
Issue DateSep-2019
PublisherJohn Wiley & Sons
CitationJournal of the German Society of Dermatology 17(9): 923-931 (2019)
Abstract[Background and objectives] In recent years, the hypothesis that increasing the empowerment of patients can help to improve health outcomes and rationalize the use of health services has become relevant, especially for chronic diseases. Developing validated measurement tools is necessary to achieve this goal. In the field of dermatology, there are few studies related to empowerment of the patient. The aim of the present research is to develop and validate a self‐administered questionnaire for adult patients diagnosed with atopic dermatitis (AD) in order to measure their level of empowerment.
[Methods] After a literature review and the establishment of consulting groups of patients and dermatologists, a large battery of 35 items was generated, based on the dimensions included in previous empowerment descriptions. A multidisciplinary group selected the 20 most suitable items to include in the questionnaire. A cross‐sectional study was carried out with the items included in the questionnaire as well as demographic and clinical characteristics. To reduce the number of items and measure the construct validity, an exploratory factorial analysis (EFA) of the primary components and varimax rotation were used. Cronbach's α was used to measure the reliability of the individual scales and the global questionnaire.
[Results] 242 valid questionnaires were included. After completion of the EFA, the final Dermatitis Atópica EMPoderamiento (DATEMP) questionnaire was composed of 17 items that converged on four factors. The four scales had adequate reliability: “Knowledge” (Cronbach's alpha = 0.808), “Abilities” (Cronbach's alpha = 0.744), “Intention to change” (Cronbach's alpha = 0.798) and “Coping skills” (Cronbach's alpha = 0.772). The overall Cronbach's α of the questionnaire was 0.764.
[Conclusions] The DATEMP questionnaire is the first specific empowerment measurement instrument developed for patients with AD that has demonstrated adequate levels of reliability and construct validity. It is a self‐administered questionnaire that is simple and quick to answer.
Publisher version (URL)https://doi.org/10.1111/ddg.13934
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