Brief report: Prevalence of autistic spectrum disorders in the Sultanate of Oman

Yahya M. Al-Farsi, Marwan M. Al-Sharbati, Omar A. Al-Farsi, Mohammed S. Al-Shafaee, Daniel R. Brooks, Mostafa I. Waly

Research output: Contribution to journalArticlepeer-review

102 Citations (Scopus)


Prevalence of autistic spectrum disorders (ASD) in Oman is unknown. We conducted a cross-sectional study to estimate the prevalence of ASD among 0-14 year old children. Diagnoses were made as per DSM-IV-TR criteria and supplemented with information collected with the standard Childhood Autism Rating Scale (CARS) questionnaire. A total 113 cases of ASD were enumerated nationwide, indicating an overall prevalence of 1.4 (95% CI 1.2, 1.7) cases per 10,000 children aged 0-14 years. More prevalent cases were among boys (75%) and among low-income families. Ritualistic interests were more common among girls as an onset-symptom compared to boys (p = 0.03). The reported low prevalence of ASD in Oman is likely due to under-diagnosis and under-reporting.

Original languageEnglish
Pages (from-to)821-825
Number of pages5
JournalJournal of Autism and Developmental Disorders
Issue number6
Publication statusPublished - Jun 2011


  • ASD
  • Autism
  • Oman
  • Prevalence
  • Symptoms

ASJC Scopus subject areas

  • Developmental and Educational Psychology


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