Development and Validation of SDBeasy Score as a Predictor of Behavioral Outcomes in Childhood
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RATIONALE: There are limited tools to identify which children are at greatest risk for developing Sleep Disordered Breathing (SDB)-associated behavioral morbidity. OBJECTIVES: To examine associations between age of onset and duration of parent-reported symptoms of SDB and behavioral problems at age five years. METHODS: Data collection and analyses were completed among CHILD cohort Edmonton and Toronto-site participants. We generated an SDBeasy score based on the age of onset and duration of SDB symptoms as reported by parents completing the pediatric sleep questionnaire (PSQ). Using CHILD Edmonton data, we completed multivariate linear regression to determine if the SDBeasy score was associated with behavior problems at age five years as assessed by the Child Behavior Checklist (CBCL). We then validated the SDBeasy score using CHILD Toronto data. MEASUREMENTS AND MAIN RESULTS: At the five-year visit, 581/716 (81%) of CHILD Edmonton participants still enrolled had CBCL data. Of the 581 children with data, 77% (446/581) had an SDBeasy score of 0 (never had SDB symptoms) while 20/581 children (3.4%) had persistent SDB symptoms from infancy through to five-years (SDBeasy score of 24). Children had a 0.35 point higher CBCL total behavior score at five-years for each one-point increase in their SDBeasy score (95%CI: 0.24, 0. 5; p<0.01). We found consistent results among CHILD Toronto participants; children had a 0.26 point higher CBCL total behavior score at five-years for each one-point increase in their SDBeasy score (95%CI: 0.08, 0.44; p=0.005). CONCLUSION: The SDBeasy score, based on the PSQ, identifies children with higher behavioral problem scores.
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