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The Prevalence of Dyslexia in Primary School Children and Their Chinese Literacy Assessment in Shantou, China

Author

Listed:
  • Yuhang Lin

    (Mental Health Center, Shantou University Medical College, Shantou 515065, China
    These authors contributed equally to this work.)

  • Xuanzhi Zhang

    (Mental Health Center, Shantou University Medical College, Shantou 515065, China
    These authors contributed equally to this work.)

  • Qingjun Huang

    (Mental Health Center, Shantou University Medical College, Shantou 515065, China)

  • Laiwen Lv

    (Master of Public Health Education Center, Shantou University Medical College, Shantou 515041, China)

  • Anyan Huang

    (Mental Health Center, Shantou University Medical College, Shantou 515065, China)

  • Ai Li

    (Mental Health Center, Shantou University Medical College, Shantou 515065, China)

  • Kusheng Wu

    (Department of Preventive Medicine, Shantou University Medical College, Shantou 515041, China)

  • Yanhong Huang

    (Mental Health Center, Shantou University Medical College, Shantou 515065, China)

Abstract

The epidemiological studies of Chinese developmental dyslexia (DD) in China are still limited. In addition, literacy assessment has seldom been performed for children with dyslexia, due to lack of uniform assessment tools. This study was aimed at investigating the prevalence rate of children with dyslexia, and to evaluate their Chinese reading ability. A total of 2955 students aged 7–12 years were enrolled by randomized cluster sampling. The study was divided into three stages. In stage I, all participating students were asked to finish the Combined Raven Test (CRT) and Chinese Vocabulary Test and Assessment Scale. In stage II, the Chinese teachers and parents of the children with suspected dyslexia were interviewed by psychiatrists, and finished the Dyslexia Checklist for Chinese Children (DCCC). In stage III, these children were evaluated by child psychiatrists for the diagnosis with or without dyslexia, according to the fifth edition of Diagnostic and Statistical Manual of Mental Disorders (DSM-5), and their Chinese literacy was further evaluated by using the Chinese Reading Ability Test (CRAT). The prevalence rate of children with dyslexia was 5.4% in Shantou city, 8.4% in boys and 2.3% in girls, with a gender ratio of 3.7:1.0. Children with dyslexia scored lower in all the five subscales of the CRAT tests. including phonological awareness, morphological awareness, rapid automatized naming, orthographic awareness, and reading ability than the control group (all p < 0.001). This study suggested that the prevalence rate of Chinese dyslexia in Shantou city is roughly equivalent to that previously reported in China. Children with dyslexia have a relatively lower Chinese reading ability in all assessments.

Suggested Citation

  • Yuhang Lin & Xuanzhi Zhang & Qingjun Huang & Laiwen Lv & Anyan Huang & Ai Li & Kusheng Wu & Yanhong Huang, 2020. "The Prevalence of Dyslexia in Primary School Children and Their Chinese Literacy Assessment in Shantou, China," IJERPH, MDPI, vol. 17(19), pages 1-12, September.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:19:p:7140-:d:421552
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    References listed on IDEAS

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    1. Hua Zhao & Baoping Zhang & Yun Chen & Xiang Zhou & Pengxiang Zuo, 2016. "Environmental Risk Factors in Han and Uyghur Children with Dyslexia: A Comparative Study," PLOS ONE, Public Library of Science, vol. 11(7), pages 1-15, July.
    2. Wai Ting Siok & Charles A. Perfetti & Zhen Jin & Li Hai Tan, 2004. "Biological abnormality of impaired reading is constrained by culture," Nature, Nature, vol. 431(7004), pages 71-76, September.
    3. Anyan Huang & Kusheng Wu & Anna Li & Xuanzhi Zhang & Yuhang Lin & Yanhong Huang, 2020. "The Reliability and Validity of an Assessment Tool for Developmental Dyslexia in Chinese Children," IJERPH, MDPI, vol. 17(10), pages 1-14, May.
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    Cited by:

    1. Anyan Huang & Mingfan Sun & Xuanzhi Zhang & Yuhang Lin & Xuecong Lin & Kusheng Wu & Yanhong Huang, 2021. "Self-Concept in Primary School Student with Dyslexia: The Relationship to Parental Rearing Styles," IJERPH, MDPI, vol. 18(18), pages 1-14, September.

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