Study procedure. In phase one, we performed TQQ to all 6263 caregivers who has children aged 6-9 years. There were 413 children with TQQ positive and 5850 with negative. In phase two, all children with positive response (413) and a similar number of children with negative (420) were conducted physical, neurological and cognitive assessments and their caregivers were administered structured questionnaire. Finally, 41 children with disabilities were identified.
Kawakatsu et al. BMC Pediatrics 2012 12:186 doi:10.1186/1471-2431-12-186