The Psychiatric Out-Patient Experiences Questionnaire (POPEQ): Data quality, reliability and validity in patients attending 90 Norwegian clinics

Andrew Garratt Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; SINTEF Helse, Postbox 124, Blindern, NO-0314, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; SINTEF Helse, Postbox 124 Blindern, NO-0314, Oslo, NorwayCorrespondence[email protected]

Johan Håkon Bjørngaard Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; SINTEF Helse, Postbox 124, Blindern, NO-0314, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; SINTEF Helse, Postbox 124 Blindern, NO-0314, Oslo, Norway

Kari Aanjesen Dahle Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; SINTEF Helse, Postbox 124, Blindern, NO-0314, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; SINTEF Helse, Postbox 124 Blindern, NO-0314, Oslo, Norway

Øyvind Andresen Bjertnæs Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; SINTEF Helse, Postbox 124, Blindern, NO-0314, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; SINTEF Helse, Postbox 124 Blindern, NO-0314, Oslo, Norway

Ingrid Sperre Saunes Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; SINTEF Helse, Postbox 124, Blindern, NO-0314, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; SINTEF Helse, Postbox 124 Blindern, NO-0314, Oslo, Norway

Torleif Ruud Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; SINTEF Helse, Postbox 124, Blindern, NO-0314, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; Norwegian Knowledge Centre for the Health Services, Postbox 7004, St. Olavs plass, NO-0130, Oslo, Norway; SINTEF Helse, Postbox 124 Blindern, NO-0314, Oslo, Norway

Abstract

The aim of this study was to develop and evaluate the Psychiatric Out-Patient Experiences Questionnaire (POPEQ). The instrument was developed following a literature review, patient interviews and pre-testing of questionnaire items. The POPEQ was administered as part of a postal survey of 15,422 adult outpatients attending Norwegian clinics; 6677 (43.3%) patients responded to the questionnaire. Items had low levels of missing data. Factor analysis showed that 11 widely applicable items contribute to a measure of overall experiences. Sub-dimensions include clinician interaction (six items) information (two items) and outcomes (three items). Item-total correlations ranged from 0.5 to 0.8. Cronbach's alpha and test–retest reliability estimates exceeded the criterion of 0.7; the majority were over 0.8 and total scores over 0.9. Construct validity was supported by the results of 128 tests. The POPEQ includes important aspects of patient experience for psychiatric outpatients and has excellent evidence for reliability and construct validity. The instrument is recommended for the measurement of psychiatric outpatient experiences.

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The Psychiatric Out-Patient Experiences Questionnaire (POPEQ): Data quality, reliability and validity in patients attending 90 Norwegian clinics

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The Psychiatric Out-Patient Experiences Questionnaire (POPEQ): Data quality, reliability and validity in patients attending 90 Norwegian clinics

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