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Table 3 Clinical characteristics of caregivers categorized by validated cutoff values of FBIS-24 and ZBI-22 (n = 292)

From: A comparison of psychometric properties of two common measures of caregiving burden: the family burden interview schedule (FBIS-24) and the Zarit caregiver burden interview (ZBI-22)

Variables Total FBIS ≤ 23 FBIS > 23 z/χ2 P ZBI ≤ 48 ZBI > 48 z/χ2 P
Depression (PHQ-9) 9 (4–15; 0–27) 6 (2–9; 0–27) 14 (8–18.5; 0–27) −8.30 < 0.001 6 (2–9; 0–26) 15 (10–20; 0–27) −9.58 < 0.001
Anxiety (GAD-7) 9 (4–15; 0–21) 6 (1–9; 0–21) 13 (7–18; 0–21) −7.99 < 0.001 6 (1–10; 0–21) 14 (9–18; 0–21) −8.95 < 0.001
Family functioning (APGAR) 7 (4–9; 0–10) 8 (5–10;0–10) 6 (3–9; 0–10) 3.30 0.001 8 (5–10; 0–10) 5 (2–8; 0–10) 5.12 < 0.001
PLS functioning (GAF) 41 (20–61; 1–99) 55 (30–68;4–90) 30 (15–55; 1–99) 5.21 < 0.001 55 (30–65;4–99) 23 (13–50.5; 1–85) 6.45 < 0.001
  1. Note: numbers in bold means significant at P = 0.01
  2. FBIS-24: 24-item Family Burden Interview Schedule; ZBI-22: 22-item Zarit Burden Interview; PHQ-9: Patient Health Questionnaire-9; GAD-7: Generalized Anxiety Disorder Scale-7; APGAR: Family Adaptation, Partnership, Growth, Affection and Resolve Index scale; GAF: Global Assessment of Functioning