Abstract
PurposeThe purpose of this study was to determine the validity and reliability of the Adolescent Asthma Self-Efficacy Questionnaire for the Turkish population. Design and methodThis study involved 198 adolescents aged 12–18 who had been diagnosed with asthma. Data were collected using the Sociodemographic Information Questionnaire and the Turkish version of the Adolescent Asthma Self-Efficacy Questionnaire. The validity of the scale was evaluated using the content validity index, explanatory and confirmatory factor analyses, Cronbach's alpha reliability score, split-half method, item-total score correlation, and test-retest. ResultsThe Turkish version of the Adolescent Asthma Self-Efficacy Questionnaire has a total explained variance of 63%. Factor loadings were found to be higher than 0.40 in both explanatory and confirmatory factor analyses. The test-retest reliability coefficient is 0.91, and the total Cronbach's alpha value of the scale is 0.93, with all subscales having a Cronbach's alpha value >0.84. The model fit indices of the scale were found to be at an acceptable level. ConclusionThe Adolescent Asthma Self-Efficacy Questionnaire is a valid and reliable measurement tool for the Turkish population. Practice implicationsThe AASEQ can be a useful tool for healthcare professionals in the assessment of self-efficacy in adolescents who have had a diagnosis of asthma.
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