The Serbian version of the Brunnsviken brief quality of life scale: reliability, validity, and psychometric features among the population of high school students

Milica Pantić; Nemanja Rančić; Danijela Djoković; Goran Mihajlović

doi:10.2298/VSP211220037P

Milica Pantić University of Kragujevac, Faculty of Medical Sciences, Kragujevac, Serbia
Nemanja Rančić University of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade, Serbia
Danijela Djoković University of Kragujevac, Faculty of Medical Sciences, Kragujevac, Serbia
Goran Mihajlović University of Kragujevac, Faculty of Medical Sciences, Kragujevac, Serbia

DOI: https://doi.org/10.2298/VSP211220037P

Keywords: Quality of life, serbia, students, surveys and questionnaires

Abstract

Background/Aim. Measuring the quality of life (QoL) is vital in daily clinical practice because it shows significant information in addition to symptoms. There are a large number of scales for assessing the QoL. The Brunnsviken Brief Quality of Life scale (BBQ) measures importance-adjusted satisfaction across six life areas. A validation study of the BBQ scale showed good questionnaire features (high concurrent and convergent validity, internal and test-retest reliability, and sensitivity to change). Therefore, the BBQ scale is excellent for use in psychiatric patients to measure outcomes, as well as for everyday screening. Methods. This prospective cross-sectional study was performed among the final-year students in five high schools in Kragujevac, Serbia. Students completed the BBQ questionnaire. Statistical analysis was performed using a standard statistical method for scale validation and standardization. Results. Our study showed that the BBQ scale had high internal consistency (Cronbach’s alpha = 0.687). That result showed that the scale had good reliability in our study. The average BBQ score was 69.63 ± 16.70 (male: 69.66 ± 18.46; female: 69.83 ± 15.78, p = 0.944). Conclusion. The Serbian version of BBQ satisfies all the criteria of successful validation. Therefore, this scale can be helpful in assessing the QoL in the healthy youth population in Serbia.

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