title: [Family environment and child's cognitive development: an epidemiological approach].
abstract: OBJECTIVE
  To assess the association between quality of stimulation in the family environment and child's cognitive development considering the impact of mother's schooling on the quality of stimulation.
  
  
  METHODS
  A cross-sectional study comprising 350 children aged 17-42 months was carried out in central and peripheral areas of Salvador, Northeastern Brazil, in 1999. A socio-economic questionnaire was used, along with the Home Observation for Measurement of the Environment Scale (HOME Inventory), and the Bayley Scale for Infant Development. Bivariate and multivariate analyses were carried out through linear regression at 5% level of significance.
  
  
  RESULTS
  There was a positive (beta=0.66) and statistically significant association between quality of stimulation in the family environment and child's cognitive development. Part of the effect was mediated by the mother's working circumstances and educational level. It was verified that a better quality of stimulation is provided for those who come early in the birth order in family, and live with only a few others under five years of age. This pattern of stimulation is better among children who live with their parents and whose mothers have better education, have a job and a partner involved in the family environment.
  
  
  CONCLUSIONS
  Quality of stimulation in the family environment is crucial for child's cognitive development, besides the significant role of the available resources and family dynamics. The study findings show the pertinence to cognitive development of interventions which improve the quality of the environment and the child-caregiver relationship.
authors.affiliation: Instituto de Saúde Coletiva, Universidade Federal da Bahia, Salvador, BA, Brasil.
authors.forename: Susanne Anjos
authors.initials: SA
authors.lastname: Andrade
authors.forename: Darci Neves
authors.initials: DN
authors.lastname: Santos
authors.forename: Ana Cecília
authors.initials: AC
authors.lastname: Bastos
authors.forename: Márcia Regina Marcondes
authors.initials: MR
authors.lastname: Pedromônico
authors.forename: Naomar
authors.initials: N
authors.lastname: de Almeida-Filho
authors.forename: Mauricio L
authors.initials: ML
authors.lastname: Barreto
mesh_terms: D000328:Adult; D001938:Brazil; D002657:Child Development / Q000502:physiology*; D002675:Child, Preschool; D003071:Cognition / Q000502:physiology*; D003430:Cross-Sectional Studies; D004522:Educational Status; D005190:Family / Q000523:psychology; D005195:Family Relations; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009035:Mothers; D010287:Parent-Child Relations; D012931:Social Environment