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Assessing self‐reported clinical high risk symptoms: The psychometric properties of the polish version of the prodromal questionnaire‐brief and a proposal for an alternative approach to scoring
Background Psychotic‐like experiences (PLEs) might occur in the general population as low‐risk individual differences or prodromal features, requiring quick detection and early intervention. The aims of this study were to conduct a mini‐systematic review of the prognostic abilities of the Prodromal...
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| Published in: | Early intervention in psychiatry 2021-10, Vol.15 (5), p.1059-1071 |
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| container_issue | 5 |
| container_start_page | 1059 |
| container_title | Early intervention in psychiatry |
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| creator | Starkowska, Anna Tyburski, Ernest Kucharska‐Mazur, Jolanta Mak, Monika Samochowiec, Jerzy |
| description | Background
Psychotic‐like experiences (PLEs) might occur in the general population as low‐risk individual differences or prodromal features, requiring quick detection and early intervention. The aims of this study were to conduct a mini‐systematic review of the prognostic abilities of the Prodromal Questionnaire‐Brief (PQ‐B), describe the PLEs distribution for the first time in a Polish population, assess PQ‐B reliability and propose an innovative scoring approach based on cluster analysis.
Methods
Five hundred and twenty eight (334 female) adult volunteers underwent screening with the PQ‐B, 49% also underwent the early psychosis screening test PRIME, to verify the tests' psychometric properties, to compare the prognostic accuracy of the PQ‐B to the more restrictive PRIME, and to the detected types of possible diagnosis in the general population.
Results
Almost 70% of respondents met the prognostic criteria of the PQ‐B while only 30.6% met the PRIME criteria. Both tests proved reliable (α > .835) and valid (rho >.710; P |
| doi_str_mv | 10.1111/eip.13035 |
| format | article |
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Psychotic‐like experiences (PLEs) might occur in the general population as low‐risk individual differences or prodromal features, requiring quick detection and early intervention. The aims of this study were to conduct a mini‐systematic review of the prognostic abilities of the Prodromal Questionnaire‐Brief (PQ‐B), describe the PLEs distribution for the first time in a Polish population, assess PQ‐B reliability and propose an innovative scoring approach based on cluster analysis.
Methods
Five hundred and twenty eight (334 female) adult volunteers underwent screening with the PQ‐B, 49% also underwent the early psychosis screening test PRIME, to verify the tests' psychometric properties, to compare the prognostic accuracy of the PQ‐B to the more restrictive PRIME, and to the detected types of possible diagnosis in the general population.
Results
Almost 70% of respondents met the prognostic criteria of the PQ‐B while only 30.6% met the PRIME criteria. Both tests proved reliable (α > .835) and valid (rho >.710; P < .001). A cluster analysis identified three different sub‐groups detected with the PQ‐B: healthy individuals without PLE; healthy with low‐distressing PLEs; and possibly prodromal subjects reporting less frequent but more distressing PLEs and no worries about their own mental state. Also in systematic reviews, authors of different adaptations have observed that the PQ‐B has too low specificity and postulated the need for higher cut‐offs.
Conclusion
Study provides evidence of good reliability and sensitivity of the PQ‐B in assessing PLEs among the general population, but emphasizes that straightforward quantitative scoring criteria are still unclear. A more qualitative approach might be useful for differentiating true prodromal subjects from clinically low‐risk individual differences.</description><identifier>ISSN: 1751-7885</identifier><identifier>EISSN: 1751-7893</identifier><identifier>DOI: 10.1111/eip.13035</identifier><language>eng</language><publisher>Melbourne: Wiley Publishing Asia Pty Ltd</publisher><subject>Cluster analysis ; Criteria ; high risk of psychosis ; Population ; PQ‐B ; PRIME ; prodromal screening ; prodromal state ; Quantitative psychology ; Questionnaires ; Reliability analysis ; Risk ; Screening</subject><ispartof>Early intervention in psychiatry, 2021-10, Vol.15 (5), p.1059-1071</ispartof><rights>2020 John Wiley & Sons Australia, Ltd</rights><rights>2021 Wiley Publishing Asia Pty Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3305-4e224b9a7accdc3418fbb767226e55fef7c3ca6d7495f908404542d316f736763</citedby><cites>FETCH-LOGICAL-c3305-4e224b9a7accdc3418fbb767226e55fef7c3ca6d7495f908404542d316f736763</cites><orcidid>0000-0002-0613-622X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Starkowska, Anna</creatorcontrib><creatorcontrib>Tyburski, Ernest</creatorcontrib><creatorcontrib>Kucharska‐Mazur, Jolanta</creatorcontrib><creatorcontrib>Mak, Monika</creatorcontrib><creatorcontrib>Samochowiec, Jerzy</creatorcontrib><title>Assessing self‐reported clinical high risk symptoms: The psychometric properties of the polish version of the prodromal questionnaire‐brief and a proposal for an alternative approach to scoring</title><title>Early intervention in psychiatry</title><description>Background
Psychotic‐like experiences (PLEs) might occur in the general population as low‐risk individual differences or prodromal features, requiring quick detection and early intervention. The aims of this study were to conduct a mini‐systematic review of the prognostic abilities of the Prodromal Questionnaire‐Brief (PQ‐B), describe the PLEs distribution for the first time in a Polish population, assess PQ‐B reliability and propose an innovative scoring approach based on cluster analysis.
Methods
Five hundred and twenty eight (334 female) adult volunteers underwent screening with the PQ‐B, 49% also underwent the early psychosis screening test PRIME, to verify the tests' psychometric properties, to compare the prognostic accuracy of the PQ‐B to the more restrictive PRIME, and to the detected types of possible diagnosis in the general population.
Results
Almost 70% of respondents met the prognostic criteria of the PQ‐B while only 30.6% met the PRIME criteria. Both tests proved reliable (α > .835) and valid (rho >.710; P < .001). A cluster analysis identified three different sub‐groups detected with the PQ‐B: healthy individuals without PLE; healthy with low‐distressing PLEs; and possibly prodromal subjects reporting less frequent but more distressing PLEs and no worries about their own mental state. Also in systematic reviews, authors of different adaptations have observed that the PQ‐B has too low specificity and postulated the need for higher cut‐offs.
Conclusion
Study provides evidence of good reliability and sensitivity of the PQ‐B in assessing PLEs among the general population, but emphasizes that straightforward quantitative scoring criteria are still unclear. A more qualitative approach might be useful for differentiating true prodromal subjects from clinically low‐risk individual differences.</description><subject>Cluster analysis</subject><subject>Criteria</subject><subject>high risk of psychosis</subject><subject>Population</subject><subject>PQ‐B</subject><subject>PRIME</subject><subject>prodromal screening</subject><subject>prodromal state</subject><subject>Quantitative psychology</subject><subject>Questionnaires</subject><subject>Reliability analysis</subject><subject>Risk</subject><subject>Screening</subject><issn>1751-7885</issn><issn>1751-7893</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1kc1u1DAUhSMEEqWw4A0ssYHFtHb8l7CrqgKVKpVFWUce57pxceJwb6bV7HgEXooX4UnwzKAukOqNrXs-Hx_rVNVbwU9EWacQ5xMhudTPqiNhtVjZppXPH8-Nflm9IrrjXFtTi6Pq9xkREMXplhGk8OfnL4Q54wI98ylO0bvEhng7MIz0ndF2nJc80kd2MwCbaeuHPMKC0bMZ8wy4RCCWA1t2ck6RBnYPSDFPj1PMPeax2P7YAC1FmVxEKA-vMUJgbuqZ27tlKlDIWEbMpQVwcku8B-bmojo_sCUz8hlL9tfVi-ASwZt_-3H17dPFzfmX1dX158vzs6uVl5LrlYK6VuvWWed976USTVivrbF1bUDrAMF66Z3prWp1aHmjuNKq7qUwwUpjjTyu3h98S4J9_G6M5CElN0HeUFcrxY0xsrUFffcfepc35QupUNo0Qtct31EfDpTHTIQQuhnj6HDbCd7tCu1Kod2-0MKeHtiHmGD7NNhdXH493PgLyL6o2g</recordid><startdate>202110</startdate><enddate>202110</enddate><creator>Starkowska, Anna</creator><creator>Tyburski, Ernest</creator><creator>Kucharska‐Mazur, Jolanta</creator><creator>Mak, Monika</creator><creator>Samochowiec, Jerzy</creator><general>Wiley Publishing Asia Pty Ltd</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>K9.</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-0613-622X</orcidid></search><sort><creationdate>202110</creationdate><title>Assessing self‐reported clinical high risk symptoms: The psychometric properties of the polish version of the prodromal questionnaire‐brief and a proposal for an alternative approach to scoring</title><author>Starkowska, Anna ; Tyburski, Ernest ; Kucharska‐Mazur, Jolanta ; Mak, Monika ; Samochowiec, Jerzy</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3305-4e224b9a7accdc3418fbb767226e55fef7c3ca6d7495f908404542d316f736763</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Cluster analysis</topic><topic>Criteria</topic><topic>high risk of psychosis</topic><topic>Population</topic><topic>PQ‐B</topic><topic>PRIME</topic><topic>prodromal screening</topic><topic>prodromal state</topic><topic>Quantitative psychology</topic><topic>Questionnaires</topic><topic>Reliability analysis</topic><topic>Risk</topic><topic>Screening</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Starkowska, Anna</creatorcontrib><creatorcontrib>Tyburski, Ernest</creatorcontrib><creatorcontrib>Kucharska‐Mazur, Jolanta</creatorcontrib><creatorcontrib>Mak, Monika</creatorcontrib><creatorcontrib>Samochowiec, Jerzy</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Early intervention in psychiatry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Starkowska, Anna</au><au>Tyburski, Ernest</au><au>Kucharska‐Mazur, Jolanta</au><au>Mak, Monika</au><au>Samochowiec, Jerzy</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Assessing self‐reported clinical high risk symptoms: The psychometric properties of the polish version of the prodromal questionnaire‐brief and a proposal for an alternative approach to scoring</atitle><jtitle>Early intervention in psychiatry</jtitle><date>2021-10</date><risdate>2021</risdate><volume>15</volume><issue>5</issue><spage>1059</spage><epage>1071</epage><pages>1059-1071</pages><issn>1751-7885</issn><eissn>1751-7893</eissn><abstract>Background
Psychotic‐like experiences (PLEs) might occur in the general population as low‐risk individual differences or prodromal features, requiring quick detection and early intervention. The aims of this study were to conduct a mini‐systematic review of the prognostic abilities of the Prodromal Questionnaire‐Brief (PQ‐B), describe the PLEs distribution for the first time in a Polish population, assess PQ‐B reliability and propose an innovative scoring approach based on cluster analysis.
Methods
Five hundred and twenty eight (334 female) adult volunteers underwent screening with the PQ‐B, 49% also underwent the early psychosis screening test PRIME, to verify the tests' psychometric properties, to compare the prognostic accuracy of the PQ‐B to the more restrictive PRIME, and to the detected types of possible diagnosis in the general population.
Results
Almost 70% of respondents met the prognostic criteria of the PQ‐B while only 30.6% met the PRIME criteria. Both tests proved reliable (α > .835) and valid (rho >.710; P < .001). A cluster analysis identified three different sub‐groups detected with the PQ‐B: healthy individuals without PLE; healthy with low‐distressing PLEs; and possibly prodromal subjects reporting less frequent but more distressing PLEs and no worries about their own mental state. Also in systematic reviews, authors of different adaptations have observed that the PQ‐B has too low specificity and postulated the need for higher cut‐offs.
Conclusion
Study provides evidence of good reliability and sensitivity of the PQ‐B in assessing PLEs among the general population, but emphasizes that straightforward quantitative scoring criteria are still unclear. A more qualitative approach might be useful for differentiating true prodromal subjects from clinically low‐risk individual differences.</abstract><cop>Melbourne</cop><pub>Wiley Publishing Asia Pty Ltd</pub><doi>10.1111/eip.13035</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0002-0613-622X</orcidid></addata></record> |
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| language | eng |
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| source | Wiley-Blackwell Read & Publish Collection |
| subjects | Cluster analysis Criteria high risk of psychosis Population PQ‐B PRIME prodromal screening prodromal state Quantitative psychology Questionnaires Reliability analysis Risk Screening |
| title | Assessing self‐reported clinical high risk symptoms: The psychometric properties of the polish version of the prodromal questionnaire‐brief and a proposal for an alternative approach to scoring |
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