Comparing the Results of Developmental Screening of 4-60 Months Old Children in Tehran Using Asq & Pdq

Objectives: this research was performed to compare the results of two parental-based developmental questionnaires. methods: in this study the developmental status of 196, 4-60 months old children were screened using ages and stages questionnaires (asq) and prescreening developmental questionnaire (pdq) in 4 primary health care clinics in tehran. convenient sampling was used. data was analyzed by spss software. results: using asq 18% of children were detected as having developmental disorders. developmental screening with pdq showed that developmental delay or doubtful condition was seen in 20% and 19% of children respectively. the estimated consistency coefficient between pdq ii and asq for fine and gross motor domains was 0.05 and 0.24, and for language and personal-social issues were 0.18 and 0.06, respectively. based on two different categorizing possibilities for questionable scores of pdq-ii, that is, delayed or normal, the total agreement coefficient between two questionnaires were determined 0.30 and 0.20, respectively. discussion: the process of developmental screening was changed in recent years and performing a correct and useful developmental screening is easier today. several screening tools are available now. recent studies showed that parental information about their child’s development have good accuracy. for selecting a suitable tool we must consider the validity, reliability, sensitivity, specificity and all other positive and negative points about the tool of the test. conclusion: this study showed that the results of developmental screening of 4-60 months old children in tehran using asq and pdq lead to different results. this is necessary that the results of screening are compared with a diagnostic gold standard test.