• Jiajin Di, Qingxian Zhu, Lei Wu, Jiali Tan, Yi Gao, and Jun Liu.
• Wuxi Medical College, Jiangnan University, Wuxi, Jiangsu, People's Republic of China.
• Patient Prefer Adher. 2023 Jan 1; 17: 293929482939-2948.

PurposeThe maintenance of stable blood glucose levels in gestational diabetes patients depends on their ability to make scientific decisions. Decision-making ability is influenced by factors such as preferences, knowledge acquisition, and risk perceptions. At present, problems such as irrational dietary structure, difficulties in decision-making, and poor adherence still exist in clinical practice. The key to guiding gestational diabetes patients in developing their scientific decision-making abilities lies in identifying the weak key points that affect their decision-making abilities. There is a lack of validated tools to assess these patients' perceptions of dietary intake. In this study, we aimed to develop and validate the Dietary Intake Perceived Motivation Questionnaire for Patients with Gestational Diabetes Mellitus with the purpose of accurately identifying the obstacles encountered by gestational diabetes mellitus patients in the development of their scientific decision-making abilities.Patients And MethodsIn this study, 304 individuals with gestational diabetes were recruited from a public hospital in Wuxi, China. The questionnaire was developed in 3 stages, consisting of questionnaire development, a pilot study, and a formal test, and the validity and reliability of the questionnaire were tested and confirmed. The content validity index and exploratory factor analysis were completed by expert correspondence to indicate the validity of the content and structure. In addition, Cronbach's α was used to evaluate the internal consistency of each item of the questionnaire, and Spearman-Brown analysis was used to analyze the split-half reliability. In addition to the questionnaire, the study participants were asked to complete a general information questionnaire that included items on various demographic factors such as age, week of gestation, and mode of conception.ResultsThe questionnaire was validated through principal component analysis, resulting in a 31-item questionnaire named the Dietary Intake Perceived Motivation Questionnaire for Patients with Gestational Diabetes Mellitus. This questionnaire explained 86.267% of the variance and demonstrated good internal consistency (Cronbach's α= 0.929).ConclusionOur study determined that the questionnaire serves as a valuable tool in evaluating the motivation behind dietary intake in gestational diabetes patients.© 2023 Di et al.

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