Journal of affective disorders · 2025
Internal consistency, sensitivity, specificity and predictive value of the short version of the Zarit Burden Interview-7 scores: systematic review and generalization meta-analysis.
СтатьяСистематический обзорМетаанализНазвание и аннотация: Перевод в очереди
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Gisbert-Pérez Júlia, Cejalvo Elena, Martí-Vilar Manuel, Badenes-Ribera Laura
Аннотация
OBJECTIVES: The Zarit Burden Interview (ZBI) is one of the most widely used instruments for assessing caregiver burden. One of the most used short scales of the ZBI is the 7-item version. The aim of the study was to conduct a systematic review and generalization meta-analysis of the reliability and validity of the scores of the short version ZBI-7 items to determine whether they provide average values that justify their application and, secondly, to identify the characteristics of the studies that could explain the heterogeneity among the estimates.
METHODS: Forty-eight articles were identified that applied the short version of the ZBI-7, of which only 14 reported a reliability coefficient and 7 reported sensitivity, specificity and predictive values. A random effects model was applied in the statistical analyses.
RESULTS: The average Cronbach's alpha coefficient was 0.866 (95 % CI [0.835, 0.891], k = 15), with high heterogeneity (I2 = 86.4 %). Mean sensitivity was 98.6 % (95 % CI [70.0 %-95.3 %], k = 3), mean specificity was 87.4 % (95 % CI [93.6 %-99.7 %], k = 3), mean positive predictive value was 93.7 % (95 % CI [81.3 %-98.1 %], k = 3), mean negative predictive value was 97.3 % (95 % CI [87.5, 99.4], k = 3).
CONCLUSIONS: According to psychometric theory, the ZBI-7 can be considered reliable and valid for exploratory purposes in both research and clinical practice.
METHODS: Forty-eight articles were identified that applied the short version of the ZBI-7, of which only 14 reported a reliability coefficient and 7 reported sensitivity, specificity and predictive values. A random effects model was applied in the statistical analyses.
RESULTS: The average Cronbach's alpha coefficient was 0.866 (95 % CI [0.835, 0.891], k = 15), with high heterogeneity (I2 = 86.4 %). Mean sensitivity was 98.6 % (95 % CI [70.0 %-95.3 %], k = 3), mean specificity was 87.4 % (95 % CI [93.6 %-99.7 %], k = 3), mean positive predictive value was 93.7 % (95 % CI [81.3 %-98.1 %], k = 3), mean negative predictive value was 97.3 % (95 % CI [87.5, 99.4], k = 3).
CONCLUSIONS: According to psychometric theory, the ZBI-7 can be considered reliable and valid for exploratory purposes in both research and clinical practice.