期刊
JOURNAL OF PAEDIATRICS AND CHILD HEALTH
卷 55, 期 1, 页码 87-94出版社
WILEY
DOI: 10.1111/jpc.14123
关键词
child development; cohort studies; intelligence; mediation effect; motor activity
类别
资金
- National Natural Science Funds Commission - National Natural Science Foundation of China [81330068]
Aim To examine the association between maternal intelligence quotient (IQ) and early childhood motor development and whether maternal education mediates this relationship. Methods Data were collected prospectively in the Ma'anshan Birth Cohort study. Maternal IQ was assessed using the Wechsler Adult Intelligence Scale-Revised by China (WAIS-RC). Information on baseline characteristics and maternal education was obtained from questionnaires and medical records. The study outcome was motor development evaluated at 18 months by the Third Edition of Ages and Stages Questionnaire. Logistic regression analyses and mediation analyses were used. Results Of 2739 valid subjects (84% follow-up), the rate of developmental delay was 3.1% in the gross motor domain and 6.2% in the fine motor domain. The mean value for maternal IQ was 96.2 (standard deviation 10.6). About 40.3% of the mothers had secondary education or less, while 59.7% had a college education. Mothers with higher IQ had a significantly higher educational level and had children with better motor development. Maternal education significantly mediated the association between maternal IQ and fine motor development. There was a direct effect of maternal IQ on gross motor development, but the mediation effect of maternal education was not found. Conclusions Maternal IQ was associated with motor development. Maternal education played an important role in reducing the disparities in fine motor development among children of different maternal IQs.
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