Table 2.

Analyses of BI scores on categorical variables.

Variables	BI mean±SD	p value
Caregiver's sex*
Female	36.19±16.11
Male	23.13±8.93	0.031
Caregiver lives with patient*
Yes	35.33±15.48
No	23.50±14.48	0.106
Full time job as caregiver*
Yes	34.28±15.82
No	31.30±16.17	0.809
CDR**
1	33.08±19.64
2	33.85±11.67
3	34.62±16.13	0.796
Relationship to patient**
Spouse	31.73±19.59
Daughter/son	34.59±14.45
Other relative	24.00	0.618
Social class*
A and B	31.92±13.88
C, D and E	36.36±18.86	0.379
Caregiver's type of care*
Paid	47.00
Unpaid	33.16±15.80	0.286

^*Mann-Whitney Test;

^**Kruskal-Wallis Test.