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G308 A school-based cohort study of autistic symptoms in 3–8 year olds in India based on parent and teacher response to internationally standardised screening questionnaires
  1. A Rudra1,
  2. MK Belmonte2,3,
  3. P Soni4,
  4. N Singhal5,
  5. S Mukerji4,
  6. JR Ram6,
  7. M Barua5,
  8. B Chakrbarti1
  1. 1Centre for Intergrative Neuroscience and Neurodynamics, School of Psychology and Clinical Language Sciences, University of Reading, Reading, UK
  2. 2Groden Centre, Providence, Rhode Island, UK
  3. 3Division of Psychology, Nottingham Trent University, UK
  4. 4Creating Connections, Kolkota, India
  5. 5Action for Autism, National Center for Autism, New Delhi, India
  6. 6Apollo Gleneagles Hospital, Kolkota, India

Abstract

Aims India does not yet have an estimate of prevalence of autism and autistic traits in the general population. Estimates drawn from studies in UK and USA suggest that India could have more than 2 million people with ASC; this prevalence estimate has never been verified. There is a critical need to measure the prevalence of autism and the distribution of autistic traits in a general population sample in India.

Method Schools from all socio-economic sectors were selected from 3 boroughs. Teachers filled in the Social Communication Disorder Checklist (SCDC), a 10-item initial screening measure for autism (Skuse et al., 1995), in English or Hindi or Bengali. Parents filled in the SCDC, followed by the Social Communication Questionnaire (SCQ), a 40-item diagnostic tool (Rutter et al., 1999) – and the Autism Quotient – child version (AQ-C), a 50-item tool quantifying the distribution of autistic traits (Auyeung et al., 2009).

Results SCDC: Teacher reports were obtained for 12764 children. 3.6% met the cut-off score of 9, with 3.8% meeting cutoff on English, 5.49% on Hindi and 1.29% on Bengali versions of the tool. Parent response rate for SCDC was 50.1%. 20.19% met cut off on SCDC parent report overall. 21.67% met cutoff on English, 10.24% on Hindi, and 20.11% on Bengali versions of the tool. Correlation between parent and teacher ratings were modest (r = 0.103, p < 0.001).

SCQ: Of 2887 respondents 8.9% met the cut-off score of 15, overall. Specifically 9.64% met cut-off on English, 8.26% on Hindi, and 10.09% on Bengali versions of the tool.

AQ-C: Of 2901 respondents 9.86% met the cut-off score of 76. Specifically, 9.48% met cutoff on English, 11.25% on Hindi and 8.67% on Bengali versions of the tool.

Conclusions This is the first study providing data on the distribution of autistic symptoms in 12764 children in India. The results suggest over-reporting by parents in comparison to teachers, irrespective of language. This provides important directions for future epidemiological research into autism in India.

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