A Study on the Validity and Utility of Korean-Age and Stage Questionnaire for Children in Community

Abstract

본 연구의 목적은 지역사회 아동을 대상으로 발달지연 선별검사 중 부모-보고형 검사인 Korean-Ages and Stages Questionnaires(K-ASQ)의 타당도와 효용성을 알아보고자 하였다. 연구방법에서 연구대상은 선별검사에 동의한 229명 아동의 부모들과 유전적 질환 혹은 선천적 발달 지연이 보고되지 않은 3~5세 아동들이었다. 연구결과 K-ASQ는 민감도 0.41%, 특이도 0.76%, 과다의뢰율 0.14%, 과소의뢰율 0.21%이였으며, 지연발달과 정상발달 예측율은 지연 발달에서는 K-ASQ 0.70%, 정상발달 예측율은 K-ASQ 0.77%로 나타났다. K-ASQ의 타당도는 정상아동을 정상으로 선별하는 특이도가 민감도보다 높았으며, 지연발달과 정상발달 예측율에서도 K-ASQ는 70% 이상으로 임상에서 아동발달 선별에 유용하게 사용될 수 있을 것이다. The purpose of this study was to evaluate the validity and utility of the Korean-Ages and Stages Questionnaires(K-ASQ) as a screening tool for detecting developmental delay of preschool child in community. Informed consents from parents of 229 children were received for the process of the study. The subjects were 229 parents and the children of three to five years old who did not have reported genetic diseases or developmental delays. The result of this study, validity were calculated for the K-ASQ sensitivity 0.41%, specificity 0.76%, hyper-referral 0.14%, hypo-referral 0.21%. Predictive value of delayed development were K-ASQ 0.70% and that of normal development were K-ASQ 0.77%. K-ASQ can be feasibly used in the setting of health clinic and be the highly predictive criteria for delayed development and normal development.

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