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design and validation of knowledge, attitude and practice questionnaire for breast cancer: an exploratory and confirmatory factor analysis
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نویسنده
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pouryousef sajad ,yeganeh sedigheh ,rouhandeh rouhollah ,pirzadeh zahra ,keshavarzi sanaz ,bahmani tayebeh
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منبع
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journal of advanced biomedical sciences - 1399 - دوره : 10 - شماره : 2 - صفحه:2186 -2196
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چکیده
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Background & objective: the early identification of risk factors by screenings methods, as low-cost diagnostic tests with high survival rates, has always been of paramount importance for cancer diagnostics, especially in breast cancer. since knowledge, attitude, and practice studies offer a desirable way to examine the status and make predictions, this study aims to design a valid and reliable instrument to assess breast cancer risk factors, symptoms, and screening methods.materials & methods: the waltz method was used to develop the questionnaire. the exploratory factor analysis with a sample size of 390 and the confirmatory factor analysis were carried out using amos software and spss 22, respectively. the reliability of the instrument was also assessed on 30 women over a one-month interval using the cronbach's alpha and test-retest method. results: the preliminary 87-item was finally developed into three sections: attitude (14 items and 2 factors with cvi=0.92, cvr= 0.72 and α= 0.76,) knowledge (16 items and 5 factors with cvi= 0.99, cvr= 0.85 and alpha 0.87) and practice checklist (8 items and cvi = 0.94 and cvr =1).conclusion: the results suggested desirable psychometric properties of the questionnaire and its strength and validity in evaluating knowledge, attitude, and practice for identifying factors influencing breast cancer.
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کلیدواژه
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knowledgement ,questionnaire ,breast cancer ,function ,attitude
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آدرس
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gerash university of medical sciences, faculty of paramedical, iran, gerash university of medical sciences, faculty of nursing, iran, gerash university of medical sciences, faculty of paramedical, iran, gerash university of medical sciences, student research committee, iran, gerash university of medical sciences, student research committee, iran, fasa university of medical sciences, fasa university of medical sciences, iran
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Design and Validation of Knowledge, Attitude and Practice Questionnaire for Breast Cancer: An Exploratory and Confirmatory Factor Analysis
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Authors
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Pouryousef Sajad ,Yeganeh Sedigheh ,Rouhandeh Rouhollah ,Pirzadeh Zahra
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Abstract
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Background Objective: The early identification of risk factors by screenings methods, as lowcost diagnostic tests with high survival rates, has always been of paramount importance for cancer diagnostics, especially in breast cancer. Since knowledge, attitude, and practice studies offer a desirable way to examine the status and make predictions, this study aims to design a valid and reliable instrument to assess breast cancer risk factors, symptoms, and screening methods.Materials Methods: The Waltz method was used to develop the questionnaire. The exploratory factor analysis with a sample size of 390 and the confirmatory factor analysis were carried out using Amos software and SPSS 22, respectively. The reliability of the instrument was also assessed on 30 women over a onemonth interval using the Cronbachchr('39')s alpha and testretest method.Results: The preliminary 87item was finally developed into three sections: attitude (14 items and 2 factors with CVI=0.92, CVR= 0.72 and alpha;= 0.76,) knowledge (16 items and 5 factors with CVI= 0.99, CVR= 0.85 and alpha 0.87) and practice checklist (8 items and CVI = 0.94 and CVR =1).Conclusion: The results suggested desirable psychometric properties of the questionnaire and its strength and validity in evaluating knowledge, attitude, and practice for identifying factors influencing breast cancer.
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Keywords
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acknowledgement ,Questionnaire ,Breast Cancer ,Function ,Attitude
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