| Variables | Total | FBIS ≤ 23 | FBIS > 23 | z/χ2 | P | ZBI ≤ 48 | ZBI > 48 | z/χ2 | P |
|---|
| Age (years) | median (IQR, min-max) | 59 (49–67; 17–81) | 59 (48–67; 17–81) | 58 (50–66; 25–81) | 0.345 | 0.730 | 59 (48–67; 17–81) | 59 (50–66; 29–77) | 0.103 | 0.918 |
| Gender | Male | 151 (46.18) | 74 (52.48) | 59 (38.06) | 6.203 | 0.013 | 87 (48.60) | 46 (38.33) | 3.068 | 0.080 |
| Female | 176 (53.82) | 67 (47.52) | 96 (61.94) | | | 92 (51.40) | 74 (61.67) | | |
| Marriage* | Married | 269 (82.26) | 119 (84.40) | 130 (83.87) | 0.0153 | 0.902 | 153 (85.47) | 98 (81.67) | 0.773 | 0.379 |
| Unmarried | 58 (17.74) | 22 (15.60) | 25 (16.13) | | | 26 (14.53) | 22 (18.33) | | |
| Occupation | Employed | 173 (52.91) | 78 (55.32) | 78 (50.32) | 0.740 | 0.390 | 93 (51.96) | 64 (53.33) | 0.0547 | 0.815 |
| Unemployed | 154 (47.09) | 63 (44.68) | 77 (49.68) | | | 86 (48.04) | 56 (46.67) | | |
| Education | Primary | 196 (59.94) | 82 (58.16) | 93 (60.00) | 6.320 | 0.042 | 98 (54.75) | 78 (65.00) | 7.411 | 0.025 |
| Middle | 87 (26.61) | 32 (22.70) | 47 (30.32) | | | 48 (26.82) | 33 (27.50) | | |
| High | 44 (13.46) | 27 (19.15) | 15 (9.68) | | | 33 (18.44) | 9 (7.50) | | |
| Kinship | Spouses | 113 (34.56) | 54 (38.30) | 45 (29.03) | 9.794 | 0.007 | 66 (36.87) | 34 (28.33) | 12.917 | 0.002 |
| Parents | 151 (46.18) | 52 (36.88) | 85 (54.84) | | | 68 (37.99) | 70 (58.33) | | |
| Other | 63 (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) | 0.630 | 0.529 | 15 (8–25; 1–49) | 15 (9.5–23; 2–44) | −0.173 | 0.863 |
- Note: numbers in bold means significant at P = 0.05
- *Married includes married and cohabited, unmarried includes single, divorced, and widowed
- FBIS-24: 24-item Family Burden Interview Schedule; ZBI-22: 22-item Zarit Burden Interview
