Min Liu, Bo-xue Zhang, Ling Zhu
[A survey of cognition and utilization of fluoride toothpaste and associated factors]
Zhonghua kou qiang yi xue za zhi = Zhonghua kouqiang yixue zazhi = Chinese journal of stomatology
study two objectives 1 report results largescale longitudinal evaluation wits programs included large sample elementary school children n 1967 27 rural schools including 16 program schools 2 examine discuss effects average developmental trajectories heterogeneity childrens development intervention outcomes data comprise baseline spring four followup assessments 5 waves children n 1967 parents teachers wits stands walk away ignore talk seek help wwwwitsprogramscom children intervention schools declined slowly control schools reports relational victimization children intervention schools also declined faster aggression emotional problems relative children control schools moderation analyses showed intervention group children higher baseline levels emotional problems declined faster emotional problems lower problems baseline addition children grades 3 completed school climate questionnaire children control schools negative perceptions school climate baseline showed greater increases negative perceptions compared children intervention schools discuss potential impact average trajectories child development withinchild heterogeneity assessments interpretation findings also conclude highlighting evaluation design modifications may improve future ability examine effects preventive interventions elementary school children