Perinatal environmental factors and parental psychopathology were associated with risk of autism in Danish childrenRisk factors for autism: perinatal factors, parental psychiatric history, and socioeconomic status.

Larsson HJ, Eaton WW, Madsen KM, et al. Risk factors for autism: perinatal factors, parental psychiatric history, and socioeconomic status. Am J Epidemiol 2005; 161:916–25.LarssonHJEatonWWMadsenKMet alRisk factors for autism: perinatal factors, parental psychiatric history, and socioeconomic status.Am J Epidemiol2005161916-25Q In Danish children, are perinatal factors and parental psychiatric history and social economic status associated with subsequent development of autism?

For correspondence: Dr W W Eaton, Johns Hopkins University, Baltimore, MD, USA. [email protected]

Sources of funding: Centers for Disease Control and Prevention; March of Dimes Birth Defects Foundation; Stanley Medical Research Institute; National Institute of Mental Health.