Objective To investigate factors associated with infant's cognitive development. Methods One urban hospital as well as one rural hospital in Shandong provinces were randomly selected, involved in the survey during December 2012 to March 2013.Total 118 infants aged 2~30 months were recruited.Parents were asked to fill out the Shanghai Children's Medical Center socio-demographic questionnaire.The Bayley Scales of Infant Development I was conducted to each participated child. Results The mean age of infants was (12.52±7.94) months, boys accounted for 55.9%, urban infants accounted for 47.5%.The mean Mental Developmental Index (MDI) and Psychomotor Development Index (PDI) score were 109.97±16.88 and 108.18±13.76 separately.Age, location, the communication time of family members apart from mother with infants, mother's education levels were significantly associated with infant's MDI while birth weight, location, mother's education were significantly related to PDI. Conclusion Socio-demographic factors such as mother's education level, location, communication time of family members with infants are significantly associated with infant's cognitive development, it's necessary to monitor and pay more attention to infants whose mothers are in lower education level as well as rural infants.
Key words
cognitive development /
influencing factors /
infants
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