Web Screening Questionnaire for Common Mental Disorders

Web Screening Questionnaire for Common Mental Disorders (WSQ) är ett screeningformulär för vanliga psykiatriska diagnoser.

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Depression: Fråga1 ≥ 5 & Fråga 2=1; GAD: Fråga 3≥2; Panik: Fråga 4 ≥1; Panik med Agorafobi Fråga 4 ≥1 & Fråga 5=1; Agorafobi: Fråga 5=1; Specifik fobi: Fråga 6 or Fråga 7=1; Social fobi: Fråga 8=1; PTSD: Fråga 9=1; OCD: Fråga 10≥1; Alkoholberoende: Fråga 11≥2 & Fråga 12≥3 ; Suicid : Fråga 13≥3 (exklusion)

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Svensk översättning © 2023 Olof Molander, Josefin Särnholm och Nitya Jayaram-Lindström, Karolinska Institutet, efter godkännande av Annemieke van Straten. Svenska WSQ är fri att använda i forskning och klinisk verksamhet (ej kommersiell).

Background: The advent of Internet-based self-help systems for common mental disorders has generated a need for quick ways to triage would-be users to systems appropriate for their disorders. This need can be met by using brief online screening questionnaires, which can also be quickly used to screen patients prior to consultation with a GP.

Objective: To test and enhance the validity of the Web Screening Questionnaire (WSQ) to screen for: depressive disorder, alcohol abuse/dependence, GAD, PTSD, social phobia, panic disorder, agoraphobia, specific phobia, and OCD.

Methods: A total of 502 subjects (aged 18 – 80) answered the WSQ and 9 other questionnaires on the Internet. Of these 502, 157 were assessed for DSM-IV-disorders by phone in a WHO Composite International Diagnostic Interview with a CIDI-trained interviewer.

Results: Positive WSQ “diagnosis” had significantly (P < .001) higher means on the corresponding validating questionnaire than negative WSQ “diagnosis”. WSQ sensitivity was 0.72 – 1.00 and specificity was 0.44 – 0.77 after replacing three items (GAD, OCD, and panic) and adding one question for specific phobia. The Areas Under the Curve (AUCs) of the WSQ’s items with scaled responses were comparable to AUCs of longer questionnaires.

Conclusions: The WSQ screens appropriately for common mental disorders. While the WSQ screens out negatives well, it also yields a high number of false positives.

Tara Donker, Annemieke van Straten, Isaac Marks, Pim Cuijpers (submitted). A quick web screening questionnaire for common mental disorders: development and validation.

Donker T, Straten Av, Marks I, Cuijpers P: A Brief Web-Based Screening Questionnaire for Common Mental Disorders: Development and Validation J Med Internet Res 2009;11(3):e19

Donker T, Straten Av, Marks I, Cuijpers P: Brief self-rated screening for depression on the internet Journal of Affective disorders (in press).

Olof Molander

https://www.webscreeningquestionnaire.org/