Growth of infant communication between 8 and 12 months: A population study

Abstract

Aim: To describe changes in infant prelinguistic communication skills between 8 and 12 months, and identify factors associated with those skills. Methods: Design: Parent questionnaire data for a prospective population-based cohort of infants in metropolitan Melbourne, Australia. Participants: 1911 infants born November 2002-August 2003. Outcome: Infant communication (Communication and Symbolic Behaviour Scales (CSBS)) at 8 and 12 months. Potential risk factors: sex; prematurity; multiple birth; sociodemographic indicators; maternal mental health, vocabulary and education; non-English speaking background; and family history of speech-language difficulties. Linear regression models were fitted..