J 2019

Prevalence symptomů vyššího rizika rozvoje psychózy v populaci adolescentů : Česká verze prodromálního dotazníku

SEBELA, Antonin, Aneta DORAZILOVÁ, Veronika VORACKOVA, Pavel KNYTL, Mabel RODRIGUEZ et. al.

Basic information

Original name

Prevalence symptomů vyššího rizika rozvoje psychózy v populaci adolescentů : Česká verze prodromálního dotazníku

Name (in English)

Prevalence of high-risk symptoms for psychosis in population of adolescents : Czech version of The Prodromal Questionnaire Brief

Authors

SEBELA, Antonin (203 Czech Republic), Aneta DORAZILOVÁ (203 Czech Republic, guarantor, belonging to the institution), Veronika VORACKOVA (203 Czech Republic), Pavel KNYTL (203 Czech Republic), Mabel RODRIGUEZ (203 Czech Republic), Juraj JONAS (203 Czech Republic), Patrik SVANCER (203 Czech Republic) and Pavel MOHR (203 Czech Republic)

Edition

Ceskoslovenska Psychologie, Academia, 2019, 0009-062X

Other information

Language

Czech

Type of outcome

Článek v odborném periodiku

Field of Study

50101 Psychology

Country of publisher

Czech Republic

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 0.478

RIV identification code

RIV/00216224:14210/19:00113734

Organization unit

Faculty of Arts

UT WoS

000484134800005

Keywords in English

risk; psychosis; adolescent; screening; PQB
Změněno: 13/5/2020 23:09, Mgr. Zuzana Matulíková

Abstract

ORIG EN

V originále

Background. Identification of individuals at high risk of psychotic disorder can help to prevent onset of the disorder. Objectives. To examine both psychometric characteristics of the Czech version of The Prodromal Questionnaire Brief Version (PQB) and prevalence of risk symptoms for psychosis among Czech adolescents. Sample and methods. The PQB was administered to a sample of students in Prague (grammar and secondary vocational schools-SVS and apprentice training centers-ATC) aged 15-20 years. The PQB consists of 21 items. The cut-off score for positive screening (PQB+) was set as >= 8 items, the cut-off score >= 8 positive symptoms with significant distress was set for PQB distress + and the cut-off score >= 24 for total distress for PQB total distress +. Statistical analysis. Cronbach alpha, item analysis and exploratory factor analysis were used for reliability estimation of the PQB. Exploratory analyses using Fisher's exact test, Mann-Whitney test, Pearson chi square test, and Kruskal- Wallis test were used as appropriate for testing between group differences in the PQB scores. Results. Data from 435 students were analyzed (mean age 17.2 +/- 1.0 years). Sample consisted of 249 males (54%) and 216 females (46%). Sex distribution among schools differed (female, grammar schools 49% vs. ATC 87% vs. SVS 31%, p<0.001), but age distribution did not (p=0.08). Cronbach alpha of the PQB was 0.85, and three-dimensional factor structure was found. Factor 1 was made up of 7 (factor load 0.444-0.729; Cronbach alpha=0.73), factor 2 of 6 (factor load 0.404-0.721; alpha=0.73), and factor 3 of 4 items (factor load 0.313-0.618; alpha=0.65). 204 subjects in the total sample were PQB+ (44%), 44 were PQB distress+ (9%) and 174 were PQB total disnms + (37%). Study limitation. Generalization of study results is limited, since only students from Prague high schools were assessed.

In English

Background. Identification of individuals at high risk of psychotic disorder can help to prevent onset of the disorder. Objectives. To examine both psychometric characteristics of the Czech version of The Prodromal Questionnaire Brief Version (PQB) and prevalence of risk symptoms for psychosis among Czech adolescents. Sample and methods. The PQB was administered to a sample of students in Prague (grammar and secondary vocational schools-SVS and apprentice training centers-ATC) aged 15-20 years. The PQB consists of 21 items. The cut-off score for positive screening (PQB+) was set as >= 8 items, the cut-off score >= 8 positive symptoms with significant distress was set for PQB distress + and the cut-off score >= 24 for total distress for PQB total distress +. Statistical analysis. Cronbach alpha, item analysis and exploratory factor analysis were used for reliability estimation of the PQB. Exploratory analyses using Fisher's exact test, Mann-Whitney test, Pearson chi square test, and Kruskal- Wallis test were used as appropriate for testing between group differences in the PQB scores. Results. Data from 435 students were analyzed (mean age 17.2 +/- 1.0 years). Sample consisted of 249 males (54%) and 216 females (46%). Sex distribution among schools differed (female, grammar schools 49% vs. ATC 87% vs. SVS 31%, p<0.001), but age distribution did not (p=0.08). Cronbach alpha of the PQB was 0.85, and three-dimensional factor structure was found. Factor 1 was made up of 7 (factor load 0.444-0.729; Cronbach alpha=0.73), factor 2 of 6 (factor load 0.404-0.721; alpha=0.73), and factor 3 of 4 items (factor load 0.313-0.618; alpha=0.65). 204 subjects in the total sample were PQB+ (44%), 44 were PQB distress+ (9%) and 174 were PQB total disnms + (37%). Study limitation. Generalization of study results is limited, since only students from Prague high schools were assessed.