Amsterdam Preoperative Anxiety and Knowledge Scale: Turkish Validity and Reliability Study

Abstract

Objective: In patients who will undergo surgical intervention; Anxiety can be seen before, during and after surgery. We see that hospitalization, waiting for surgical intervention, and various medical practices trigger anxiety. Studies show that anxious patients may be at higher risk of complications in the preoperative period. With this study, it was aimed to make the validity and reliability analysis of the scale by adapting the “Amsterdam Pre-operative Anxiety and Knowledge Scale” developed by Moerman et al. Material and Method: The population of the study consisted of 9901 patients over the age of 18 who had undergone surgery in the surgical clinics of a training and research hospital operating in the province of Van. This methodological research was carried out between July and September 2019. By considering the number of items in the scale, the number of samples was determined by G-power analysis, which would be five to ten times the number of items. In the study, 335 sampling scales determined for the scale with 6 items were applied, but 310 participants who volunteered to participate in the study constituted the sample of the study. “Personal Information Form” and “Preoperative Anxiety and Knowledge Scale” developed by the researchers were used to collect the data. Study; linguistic equivalence of the scale, content validity for expert evaluation, correlation between items for internal consistency / reliability, and calculation of Cronbach Alpha values, confirmatory and exploratory factor analyzes for construct validity. In addition, pretest and posttest were performed on the sample group consisting of 50 patients 15 days apart. IBM SPSS Statistics 25 program was used for the statistical evaluation of the data. Results: As a result of the expert evaluation, the content validity index of the scale is 0.82. Kaiser-Meyer Olkin (KMO) coefficient of 0.746, Chronbach alpha = 0.876 and Barlett test result X2 = 1531.030; p = 0.000 (p <0.001). The total variance of this scale, which was determined by factor analysis, was 63.829%. It was determined that the item load values of 6 items in the scale were between 0,694 and 0,876. Pearson correlation value was found to be 0,508 (p = 0,00) in the analysis performed by test repetition. Conclusion: It is thought that the Turkish form of the Amsterdam Pre-operative Anxiety and Knowledge Scale is a valid and reliable measurement tool, it can be used in similar studies and can be used to measure the pre-operative anxiety status in institutions providing health care services.