Reliability and validity of the sleep apnea knowledge questionnaire / 中国实用护理杂志

Objective To study the reliability and validity of the Chinese version of AKT(the Apnea Knowledge Test).Methods The AKT was tested in a sample of 91 middle aged and elderly patients with obstructive sleep apnea and hypopnea syndrome and the AKT was retested in 30 of them after 1 month.Results Cronbach's alpha reliability coefficient was 0.76.Retest correlation coefficient was 0.96.There was significant difference between test and retest.Item analysis indicated that there was significant difference in most items between higher scores group and lower one except the fourth item.Conclusions AKT has satisfying reliability and validity which is suitable for evaluation of sleep apnea knowledge.