Objective To explore the influence of early-term birth (gestational age of 37 to 38 weeks) on developmental coordination disorder (DCD), so as to provide clues for targeting the population receiving intervention and prevention. Methods A total of 46 073 preschool children from 670 kindergartens in Shanghai, Maanshan, Taizhou, Haikou, Xiamen and Yangzhou were enrolled from April to December 2018.The ability of motor coordination was assessed using Little Developmental Coordination Disorder Questionnaire (Little DCDQ). Results The score of total motor coordination (67.30±8.90 vs.67.50±8.80), motor control (22.82±3.08 vs.22.89±3.04) and general coordination (21.95±3.26 vs.22.03±3.21) in early children were lower than those of completely full term children (t= 2.174, 2.201, 2.382, P<0.05).Multivariate analysis showed that after controlling for potential confounding factors such as sex, age and education level of parents, body mass index(BMI), the risk of DCD in girls with early-term birth was 1.157 times higher than that with full-term birth (OR=1.157,95%CI:1.001-1.340, P<0.05). Conclusions Early-term infants should be attached great importance in early assessment and intervention of DCD.Strengthening the healthcare in early-term children would be one of the key points to promote the quality of population and save the medical expenditure under the "two-child" policy.
Key words
developmental coordination disorder /
early term /
children
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