Validation of the Prodromal Questionnaire-Brief in a representative sample of adolescents: Internal structure, norms, reliability, and links with psychopathology.

Publisher: John Wiley & Sons Country of Publication: United States NLM ID: 9111433 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1557-0657 (Electronic) Linking ISSN: 10498931 NLM ISO Abbreviation: Int J Methods Psychiatr Res Subsets: MEDLINE

Publication: Hoboken, NJ : John Wiley & Sons
Original Publication: Chichester ; New York : Wiley, c1991-

Prodromal Symptoms* ; Social Behavior* ; Suicidal Ideation*; Adolescent Behavior/*physiology ; Behavioral Symptoms/*diagnosis ; Bipolar Disorder/*diagnosis ; Psychiatric Status Rating Scales/*standards ; Psychotic Disorders/*diagnosis; Adolescent ; Adult ; Affective Symptoms/diagnosis ; Affective Symptoms/epidemiology ; Behavioral Symptoms/epidemiology ; Bipolar Disorder/epidemiology ; Female ; Humans ; Male ; Psychotic Disorders/epidemiology ; Reproducibility of Results ; Risk ; Spain/epidemiology ; Young Adult

Objectives: The main purpose of the present study was twofold: to validate the Prodromal Questionnaire-Brief (PQ-B) in a community-derived sample of adolescents and to examine the links between psychotic-like experiences and emotional and behavioral problems, prosocial behavior, suicidal ideation, and bipolar-like experiences.
Method: One thousand five hundred eighty-eight students selected by random sampling participated in a cross-sectional survey. The PQ-B, Paykel Suicide Scale, Strengths and Difficulties Questionnaire, Mood Disorder Questionnaire, Penn Matrix Reasoning Test, Family Affluence Scale-II, and Oviedo Infrequency Scale were used.
Results: The unidimensional factorial structure of the PQ-B items showed adequate goodness of fit index. This model also showed configural and strong invariance across gender. The internal consistency of the PQ-B total frequency score was 0.92. A high degree of overlap was found between psychotic-like experiences and emotional and behavioral problems, suicidal ideation, and bipolar-like experiences.
Conclusion: The PQ-B is a brief, easy, and reliable tool for screening psychotic-like experiences in adolescents from the general population. The assessment of risk for psychosis and its relationship with other psychopathological risk factors in a close-in strategy or two-stage process model may help us to enhance the early identification for youths at heightened risk for serious mental disorders.
(© 2018 John Wiley & Sons, Ltd.)

Schizophr Res. 2018 Jul;197:516-521. (PMID: 29358019)
Psychol Med. 2013 Jun;43(6):1133-49. (PMID: 22850401)
Am J Psychiatry. 2013 Jul;170(7):742-50. (PMID: 23639948)
World Psychiatry. 2017 Feb;16(1):5-13. (PMID: 28127906)
Psychol Med. 2012 Sep;42(9):1857-63. (PMID: 22225730)
Am J Psychiatry. 2000 Nov;157(11):1873-5. (PMID: 11058490)
PLoS One. 2016 Feb 09;11(2):e0148935. (PMID: 26859774)
Neuropsychology. 2015 Mar;29(2):235-46. (PMID: 25180981)
Psicothema. 2018 May;30(2):149-158. (PMID: 29694314)
World Psychiatry. 2014 Oct;13(3):296-305. (PMID: 25273303)
Rev Psiquiatr Salud Ment. 2016 Jan-Mar;9(1):4-12. (PMID: 26055933)
Schizophr Bull. 2003;29(4):703-15. (PMID: 14989408)
Am J Psychiatry. 2010 Jul;167(7):748-51. (PMID: 20595427)
Schizophr Res. 2015 Dec;169(1-3):241-247. (PMID: 26416443)
Eur Child Adolesc Psychiatry. 2018 Feb;27(2):137-138. (PMID: 29492647)
Psychol Med. 2012 Nov;42(11):2239-53. (PMID: 22260930)
Compr Psychiatry. 2016 Apr;66:201-8. (PMID: 26995254)
Schizophr Res. 2011 Jun;129(1):42-6. (PMID: 21511440)
Schizophr Res. 2005 Nov 1;79(1):117-25. (PMID: 16276559)
JAMA Psychiatry. 2013 Sep;70(9):940-8. (PMID: 23863946)
Psicothema. 2017 Feb;29(1):5-17. (PMID: 28126052)
Rev Psiquiatr Salud Ment. 2018 Apr - Jun;11(2):76-85. (PMID: 29102308)
Psicothema. 2018 Feb;30(1):104-109. (PMID: 29363478)
Psychiatry Res. 2018 Jan;259:236-242. (PMID: 29091822)
Schizophr Res. 2018 May;195:534-536. (PMID: 28888357)
Annu Rev Clin Psychol. 2014;10:155-92. (PMID: 24471375)
Schizophr Res. 2004 Dec 1;71(2-3):507-8. (PMID: 15474922)
Schizophr Res. 2011 Dec;133(1-3):250-4. (PMID: 21996268)
Compr Psychiatry. 2011 May-Jun;52(3):293-300. (PMID: 21497224)
Schizophr Res. 2009 Jun;111(1-3):53-60. (PMID: 19342199)
Early Interv Psychiatry. 2012 Feb;6(1):69-75. (PMID: 21883972)
Assessment. 2019 Mar;26(2):294-304. (PMID: 28092988)
Br J Psychiatry. 1974 May;124(0):460-9. (PMID: 4836376)
Schizophr Bull. 1991;17(4):555-64. (PMID: 1805349)
Schizophr Bull. 2012 Mar;38(2):239-46. (PMID: 22101962)
Neuropsychology. 2012 Mar;26(2):251-265. (PMID: 22251308)
Psicothema. 2018 May;30(2):177-182. (PMID: 29694318)
Schizophr Res. 2015 May;164(1-3):281-2. (PMID: 25640525)
Aust N Z J Psychiatry. 2005 Nov-Dec;39(11-12):964-71. (PMID: 16343296)
JAMA. 2017 Oct 3;318(13):1215-1216. (PMID: 28973224)
J Child Psychol Psychiatry. 1997 Jul;38(5):581-6. (PMID: 9255702)
Int J Clin Health Psychol. 2015 Sep-Dec;15(3):265-273. (PMID: 30487843)
Schizophr Res. 2014 Sep;158(1-3):11-8. (PMID: 25034762)
Schizophr Bull. 2011 Jul;37(4):850-60. (PMID: 20044595)
Schizophr Bull. 2015 Mar;41 Suppl 2:S374-85. (PMID: 25810054)
Acta Psychiatr Scand. 2012 Jul;126(1):21-30. (PMID: 22335365)
Am J Psychiatry. 2013 Nov;170(11):1263-74. (PMID: 23846857)
Adicciones. 2017 Jan 12;29(2):97-104. (PMID: 28170053)
Am J Psychiatry. 2018 Apr 1;175(4):351-358. (PMID: 29179579)
Schizophr Bull. 2018 Oct 17;44(6):1362-1372. (PMID: 29373755)
JAMA Psychiatry. 2016 May 1;73(5):515-24. (PMID: 26982085)
Early Interv Psychiatry. 2018 Feb;12(1):3-14. (PMID: 28782283)
World Psychiatry. 2014 Jun;13(2):184-8. (PMID: 24890071)
Int J Methods Psychiatr Res. 2017 Dec;26(4):. (PMID: 27790784)
Schizophr Bull. 2015 Mar;41 Suppl 2:S396-407. (PMID: 25548386)
Psicothema. 2017 May;29(2):236-240. (PMID: 28438248)
World Psychiatry. 2017 Oct;16(3):251-265. (PMID: 28941089)
Arch Gen Psychiatry. 2012 Mar;69(3):220-9. (PMID: 22393215)
Int J Methods Psychiatr Res. 2018 Dec;27(4):e1740. (PMID: 30198201)
World Psychiatry. 2018 Feb;17(1):49-66. (PMID: 29352556)
Schizophr Res. 2010 Jun;119(1-3):258-65. (PMID: 20347272)
Schizophr Res. 2015 Jul;165(2-3):116-22. (PMID: 25975827)

Keywords: adolescents; early detection; psychotic-like experiences; risk for psychosis; screening

Date Created: 20180911 Date Completed: 20190424 Latest Revision: 20210109

20221213

PMC6877156

10.1002/mpr.1740

30198201