Reliability and validity analysis of Chinese version of Asia-Pacific functional gastrointestinal disorders questionnaire / 中华消化杂志

ABSTRACT

ObjectiveTo evaluate the reliability and validity of Chinese version of Asia-Pacific functional gastrointestinal disorders (FGIDs) questionnaire. Methods The standardized scale translation program was used to translate the Asia-Pacific functional gastrointestinal disorders questionnaire into Chinese version.From April to May 2011,the functional gastrointestinal disorders (FGID) out-patients of the Department of Gastroenterology at the First Affiliated Hospital of Sun Yat-Sen University were asked to complete the Chinese version of the questionnaire,then the feasibility,reliability and validity of the questionnaire were evaluated.ResultsA total of 58 FGIDs patients finished the questionnaire,of which 37 patients with good compliance finished the 2-week interval questionnaire.The retest reliability of the first part of the questionnaire was good (including basic information,disease duration and alarm symptoms),all the test-retest coefficients were more than 0.70.The percentage of poor,medium and good retest reliability items of the second part of the questionnaire (including the symptoms of gastrointestinal system) was 27.8％,61.1％ and 11.1％respectively.After the data was transformed into binary data according to Rome Ⅲ diagnostic criteria,the percentage of poor,medium and good retest reliability items was 5.5％,41.7％ and 52.8％respectively.The percentage of poor,medium and good retest reliability items of the third part of the questionnaire (including previous medical treatment,medication and the impact of the disease on life,etc) was 36.0％,40.0％ and 24.0％ respectively.The validity of the questionnaire was moderate according to the Rome Ⅲ diagnostic criteria.Conclusion The Chinese version of Asia-Pacific functional gastrointestinal disorders is feasible and can be used to screen the adult FGIDs under the Chinese cultural background.