Table 4 Bivariate analysis of the potential factors related to the characteristics of patients with caregiver burden

 Male

29.76 ± 13.97

0.028

 Female

25.95 ± 14.79

 ≤ 40

28.37 ± 14.74

0.320

 41–60

27.89 ± 14.60

 ≥ 60

24.12 ± 13.32

 Low

29.20 ± 14.81

0.117

 Average

25.99 ± 13.31

 High

23.94 ± 18.03

 Without partner

28.35 ± 14.14

0.169

 With partner

25.61 ± 15.54

 Anxiety

26.65 ± 15.67

0.153

 Schizophrenia

29.19 ± 14.17

 Bipolar Affective Disorder

25.07 ± 14.15

 Depression

24.82 ± 12.28

 Mental retardation

25.21 ± 13.13

 Others

32.06 ± 17.13

 No

25.84 ± 14.19

< 0.001

 Yes

33.37 ± 14.17

 No

27.47 ± 14.36

0.147

 Yes

36.17 ± 20.66

r^b

p

Duration of patient’s illness (years)

0.045

0.448