Humans 8 Population Surveillance health survey 8 human 8 Article 6 Female 6 Male 6 female 6 male 6 Child 4 Prevalence 4 child 4 prevalence 4 Risk Factors 3 autism 3 risk factor 3 Autism Spectrum Disorder 2 Autism spectrum disorder 2 Cohort Studies 2 Developmental Disabilities 2 anxiety 2 attention deficit disorder 2 cohort analysis 2 conduct disorder 2 depression 2 developmental disorder 2 disease surveillance 2 information processing 2 longitudinal study 2 major clinical study 2