Sleep Problems, Fatigue, and Cognitive Performance in Chinese Kindergarten Children - 22/08/12
, Guoping Zhou, MD 2, Yingjie Wang, MS 1, Yuexian Ai, BS 2, Jennifer Pinto-Martin, PhD 1, Xianchen Liu, MD, PhD 3, 4
Reprint requests: Jianghong Liu, PhD, Associate Professor, Schools of Nursing and Medicine, University of Pennsylvania, 418 Curie Blvd, Room 426, Claire M. Fagin Hall, Philadelphia, PA 19104-6096.Abstract |
Objective |
To examine sleep problems and fatigue and their associations with cognitive performance in Chinese kindergarten children.
Study design |
A cross-sectional analysis of baseline data from Jintan Child Cohort Study was conducted, which includes a cohort of 1656 kindergarten children in Jintan City, Jiangsu Province, China. The sample used in the current study consisted of 1385 children (44.8% girls, mean age 5.72 [SD = 0.42] years) for whom data on sleep problems or cognitive performance were available. Child Behavior Checklist was used to measure child sleep problems and fatigue, and Wechsler Preschool and Primary Scale of Intelligence–Revised was used to assess child IQ.
Results |
Sleep problems were prevalent, ranging from 8.9% for difficulty maintaining sleep to 70.5% for unwilling to sleep alone. Other reported sleep problems were difficulty initiating sleep (39.4%), nightmares (31.6%), sleep talking (28%), sleeping less (24.7%), and sleep resistance (23.4%). Fatigue was also prevalent, with 29.6% of children reported to be overtired and 12.6% lack of energy. Children with difficulty maintaining sleep, sleep talking, sleep resistance, or nightmares scored 2-3 points lower in full IQ than children without sleep problems. Children reported to have fatigue scored 3-6 points lower in full IQ than those children without fatigue.
Conclusions |
Sleep problems and fatigue are prevalent in Chinese kindergarten children. Furthermore, sleep problems and fatigue are associated with poor cognitive performance.
Le texte complet de cet article est disponible en PDF.Keyword : CBCL, C-TRF, DIS, DMS, FIQ, PIQ, UTSA, VIQ
Plan
| Supported by National Institutes of Health/National Institute of Environmental Health Sciences (K01-ES015 877, 1K02ES019878-01, and R01ES018858). The authors declare no conflicts of interest. |
Vol 161 - N° 3
P. 520 - septembre 2012 Retour au numéro
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