Evaluating the responsiveness to therapeutic change with routine outcome monitoring

A comparison of the Symptom Questionnaire-48 (SQ-48) with the Brief Symptom Inventory (BSI) and the Outcome Questionnaire-45 (OQ-45)

I.V. Carlier, V. Kovács, M.S. van Noorden, C.M. van der Feltz-Cornelis, N. Mooij, Y.W. Schulte-van Maaren, A.M. van Hemert, F.G. Zitman, E.J. Giltay

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Assessment of psychological distress is important, because it may help to monitor treatment effects and predict treatment outcomes. We previously developed the 48-item Symptom Questionnaire (SQ-48) as a public domain self-report psychological distress instrument and showed good internal consistency as well as good convergent and divergent validity among clinical and non-clinical samples. The present study, conducted among psychiatric outpatients in a routine clinical setting, describes additional psychometric properties of the SQ-48. The primary focus is on responsiveness to therapeutic change, which to date has been rarely examined within psychiatry or clinical psychology. Since a questionnaire should also be stable when no clinically important change occurs, we also examined test–retest reliability within a test–retest design before treatment (n = 43). A pre-treatment/post-treatment design was used for responsiveness to therapeutic change, comparing the SQ-48 with two internationally widely used instruments: the Brief Symptom Inventory (n = 97) and the Outcome Questionnaire-45 (n = 109). The results showed that the SQ-48 has excellent test–retest reliability and good responsiveness to therapeutic change, without significant differences between the questionnaires in terms of responsiveness. In sum, the SQ-48 is a psychometrically sound public domain self-report instrument that can be used for routine outcome monitoring, as a benchmark tool or for research purposes.
Original languageEnglish
Pages (from-to)61-71
JournalClinical Psychology & Psychotherapy
Volume24
Issue number1
DOIs
Publication statusPublished - 2017

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title = "Evaluating the responsiveness to therapeutic change with routine outcome monitoring: A comparison of the Symptom Questionnaire-48 (SQ-48) with the Brief Symptom Inventory (BSI) and the Outcome Questionnaire-45 (OQ-45)",
abstract = "Assessment of psychological distress is important, because it may help to monitor treatment effects and predict treatment outcomes. We previously developed the 48-item Symptom Questionnaire (SQ-48) as a public domain self-report psychological distress instrument and showed good internal consistency as well as good convergent and divergent validity among clinical and non-clinical samples. The present study, conducted among psychiatric outpatients in a routine clinical setting, describes additional psychometric properties of the SQ-48. The primary focus is on responsiveness to therapeutic change, which to date has been rarely examined within psychiatry or clinical psychology. Since a questionnaire should also be stable when no clinically important change occurs, we also examined test–retest reliability within a test–retest design before treatment (n = 43). A pre-treatment/post-treatment design was used for responsiveness to therapeutic change, comparing the SQ-48 with two internationally widely used instruments: the Brief Symptom Inventory (n = 97) and the Outcome Questionnaire-45 (n = 109). The results showed that the SQ-48 has excellent test–retest reliability and good responsiveness to therapeutic change, without significant differences between the questionnaires in terms of responsiveness. In sum, the SQ-48 is a psychometrically sound public domain self-report instrument that can be used for routine outcome monitoring, as a benchmark tool or for research purposes.",
author = "I.V. Carlier and V. Kov{\'a}cs and {van Noorden}, M.S. and {van der Feltz-Cornelis}, C.M. and N. Mooij and {Schulte-van Maaren}, Y.W. and {van Hemert}, A.M. and F.G. Zitman and E.J. Giltay",
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Evaluating the responsiveness to therapeutic change with routine outcome monitoring : A comparison of the Symptom Questionnaire-48 (SQ-48) with the Brief Symptom Inventory (BSI) and the Outcome Questionnaire-45 (OQ-45). / Carlier, I.V.; Kovács, V.; van Noorden, M.S.; van der Feltz-Cornelis, C.M.; Mooij, N.; Schulte-van Maaren, Y.W.; van Hemert, A.M.; Zitman, F.G.; Giltay, E.J.

In: Clinical Psychology & Psychotherapy, Vol. 24, No. 1, 2017, p. 61-71.

Research output: Contribution to journalArticleScientificpeer-review

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T2 - A comparison of the Symptom Questionnaire-48 (SQ-48) with the Brief Symptom Inventory (BSI) and the Outcome Questionnaire-45 (OQ-45)

AU - Carlier, I.V.

AU - Kovács, V.

AU - van Noorden, M.S.

AU - van der Feltz-Cornelis, C.M.

AU - Mooij, N.

AU - Schulte-van Maaren, Y.W.

AU - van Hemert, A.M.

AU - Zitman, F.G.

AU - Giltay, E.J.

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AB - Assessment of psychological distress is important, because it may help to monitor treatment effects and predict treatment outcomes. We previously developed the 48-item Symptom Questionnaire (SQ-48) as a public domain self-report psychological distress instrument and showed good internal consistency as well as good convergent and divergent validity among clinical and non-clinical samples. The present study, conducted among psychiatric outpatients in a routine clinical setting, describes additional psychometric properties of the SQ-48. The primary focus is on responsiveness to therapeutic change, which to date has been rarely examined within psychiatry or clinical psychology. Since a questionnaire should also be stable when no clinically important change occurs, we also examined test–retest reliability within a test–retest design before treatment (n = 43). A pre-treatment/post-treatment design was used for responsiveness to therapeutic change, comparing the SQ-48 with two internationally widely used instruments: the Brief Symptom Inventory (n = 97) and the Outcome Questionnaire-45 (n = 109). The results showed that the SQ-48 has excellent test–retest reliability and good responsiveness to therapeutic change, without significant differences between the questionnaires in terms of responsiveness. In sum, the SQ-48 is a psychometrically sound public domain self-report instrument that can be used for routine outcome monitoring, as a benchmark tool or for research purposes.

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JO - Clinical Psychology & Psychotherapy

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