Brief report : psychometric properties of the Patient Health Questionaire-9 (PHQ-9) in autistic adults

Samuel R. C. Arnold; Mirko Uljarević; Ye In Hwang; Amanda L. Richdale; Julian N. Trollor; Lauren P. Lawson

doi:10.1007/s10803-019-03947-9

Brief report : psychometric properties of the Patient Health Questionaire-9 (PHQ-9) in autistic adults

Samuel R. C. Arnold, Mirko Uljarević, Ye In Hwang, Amanda L. Richdale, Julian N. Trollor, Lauren P. Lawson

Western Sydney University

Research output: Contribution to journal › Article › peer-review

67 Citations (Scopus)

Abstract

Despite the high prevalence of depression and other mental illnesses in autistic adults, screening instruments such as the Patient Health Questionnaire (PHQ-9) have not been specifically validated in an autistic sample. Using data from two Autism CRC longitudinal studies (n = 581), confirmatory factor analysis supported the two-factor model (somatic and cognitive/affective) in the autistic sample and one-factor model in the community comparison sample. Confirmatory bifactor analysis also supported use of the PHQ-9 total score in autism. Good convergent validity was found with two measures of psychological well-being for PHQ-9 total and subdomain scores. The PHQ-9 is a useful tool for autism research allowing comparison across autistic and non-autistic participants.

Original language	English
Pages (from-to)	2217-2225
Number of pages	9
Journal	Journal of Autism and Developmental Disorders
Volume	50
Issue number	6
DOIs	https://doi.org/10.1007/s10803-019-03947-9
Publication status	Published - 2020

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abstract = "Despite the high prevalence of depression and other mental illnesses in autistic adults, screening instruments such as the Patient Health Questionnaire (PHQ-9) have not been specifically validated in an autistic sample. Using data from two Autism CRC longitudinal studies (n = 581), confirmatory factor analysis supported the two-factor model (somatic and cognitive/affective) in the autistic sample and one-factor model in the community comparison sample. Confirmatory bifactor analysis also supported use of the PHQ-9 total score in autism. Good convergent validity was found with two measures of psychological well-being for PHQ-9 total and subdomain scores. The PHQ-9 is a useful tool for autism research allowing comparison across autistic and non-autistic participants.",

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AU - Richdale, Amanda L.

AU - Trollor, Julian N.

AU - Lawson, Lauren P.

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AB - Despite the high prevalence of depression and other mental illnesses in autistic adults, screening instruments such as the Patient Health Questionnaire (PHQ-9) have not been specifically validated in an autistic sample. Using data from two Autism CRC longitudinal studies (n = 581), confirmatory factor analysis supported the two-factor model (somatic and cognitive/affective) in the autistic sample and one-factor model in the community comparison sample. Confirmatory bifactor analysis also supported use of the PHQ-9 total score in autism. Good convergent validity was found with two measures of psychological well-being for PHQ-9 total and subdomain scores. The PHQ-9 is a useful tool for autism research allowing comparison across autistic and non-autistic participants.

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JO - Journal of Autism and Developmental Disorders

JF - Journal of Autism and Developmental Disorders

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Brief report : psychometric properties of the Patient Health Questionaire-9 (PHQ-9) in autistic adults

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