Metoda Patient Health Questionnaire-9: česká verze

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Title in English The Patient Health Questionnaire-9: the Czech version
Authors

DAŇSOVÁ Petra MASOPUSTOVÁ Zuzana HANÁČKOVÁ Veronika KICKOVÁ Kristína KORÁBOVÁ Iva

Year of publication 2016
Type Article in Periodical
Magazine / Source Ceskoslovenska Psychologie/Czechoslovak Psychology
MU Faculty or unit

Faculty of Social Studies

Citation
Field Psychology
Keywords depression; Patient Health Questionnaire-9; screening; assessment
Description Research objectives. Depression is a very common mental disorder. The Patient Health Questionnaire-9 (PHQ-9) has been frequently used to assess depression in primary healthcare, and in research studies as well. The aim of this study was to assess the Czech version of the PHQ method. Sample and setting. The final study population was 1654 respondents (66,6% of women and 33,4% of men) addressed via social networks within a broader study on motivations for sex. Statistical analysis. We calculated the Confirmatory Factor Analysis to assess which of the previously hypothesized factor structures (a one- or two-factor solutions) would best fit our data. We calculated the Multi Sample Analysis to assess measurement invariance across two versions of method translation into Czech. First version was translated into Czech by our research team. The second version, which is available online, comes from the Pfizer company. We further tested the data for gender invariance. Results. The best fit suggests a two-factor model with five ‘somatic’ items and four ‘non-somatic’ or ‘affective’ items. The model measurement was partially invariant across the two versions of the method's translations. Two items were responsible for non-invariance. The model measurement for version DOMOV was invariant across gender. The model measurement for version Pfizer was partially invariant across gender. One item was responsible for non-invariance. Recommendations are given in the discussion. The item analysis indicates that the items are suitable for the scale and the internal consistency of the scale is satisfactory. The correlation between PHQ-9 and BDI-II is consistent with previous findings of a meta-analytic study. The Czech version of PHQ-9 is a useful tool for assessing depression in the general population. Study limitations. Future research should focus on clinical populations.
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