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Table 2 Demographic characteristics of caregivers categorized by validated cutoff values of FBIS-24 and ZBI-22 (n = 327)

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)

VariablesTotalFBIS ≤ 23FBIS > 23z/χ2PZBI ≤ 48ZBI > 48z/χ2P
Age (years)median (IQR, min-max)59 (49–67; 17–81)59 (48–67; 17–81)58 (50–66; 25–81)0.3450.73059 (48–67; 17–81)59 (50–66; 29–77)0.1030.918
GenderMale151 (46.18)74 (52.48)59 (38.06)6.2030.01387 (48.60)46 (38.33)3.0680.080
Female176 (53.82)67 (47.52)96 (61.94)  92 (51.40)74 (61.67)  
Marriage*Married269 (82.26)119 (84.40)130 (83.87)0.01530.902153 (85.47)98 (81.67)0.7730.379
Unmarried58 (17.74)22 (15.60)25 (16.13)  26 (14.53)22 (18.33)  
OccupationEmployed173 (52.91)78 (55.32)78 (50.32)0.7400.39093 (51.96)64 (53.33)0.05470.815
Unemployed154 (47.09)63 (44.68)77 (49.68)  86 (48.04)56 (46.67)  
EducationPrimary196 (59.94)82 (58.16)93 (60.00)6.3200.04298 (54.75)78 (65.00)7.4110.025
Middle87 (26.61)32 (22.70)47 (30.32)  48 (26.82)33 (27.50)  
High44 (13.46)27 (19.15)15 (9.68)  33 (18.44)9 (7.50)  
KinshipSpouses113 (34.56)54 (38.30)45 (29.03)9.7940.00766 (36.87)34 (28.33)12.9170.002
Parents151 (46.18)52 (36.88)85 (54.84)  68 (37.99)70 (58.33)  
Other63 (19.27)35 (24.82)25 (16.13)  45 (25.14)16 (13.33)  
Care duration (years)15 (9–25; 1–49)16 (8–25, 1–49)14 (9–23; 2–44)0.6300.52915 (8–25; 1–49)15 (9.5–23; 2–44)−0.1730.863
  1. Note: numbers in bold means significant at P = 0.05
  2. *Married includes married and cohabited, unmarried includes single, divorced, and widowed
  3. FBIS-24: 24-item Family Burden Interview Schedule; ZBI-22: 22-item Zarit Burden Interview