Table 2 Factor analysis, discriptive statistics and internal consistency.

Factor 1

Factor 2

Factor 3

Factor 4

Factor 5

Communality

Time-dependent Burden (0–8: Mean = 4.6, SD = 2.2, alpha = 0.84)

1. I cannot freely leave the house because of caregiving

0.93

-0.15

0.10

0.07

-0.03

0.89

2. I do not have enough time for myself because of caregiving

0.83

0.19

-0.07

0.01

0.04

0.86

Emotional Burden (0–8: Mean = 2.7, SD = 2.1, alpha = 0.89)

3. I want to delegate the care to someone else

-0.06

0.91

0.06

0.07

-0.03

0.90

4. I am completely distressed by caregiving

0.07

0.77

0.16

0.05

0.01

0.88

Spiritual Burden (0–8: Mean = 2.8, SD = 2.1, alpha = 0.88)

5. I am experiencing hardship because caregiving does not give me a sense of satisfaction

0.11

0.04

0.90

-0.01

-0.03

0.91

6. Caregiving is hard because I cannot find the meaning of nursing

-0.06

0.19

0.82

0.00

0.07

0.88

Physical Burden (0–8: Mean = 3.1, SD = 2.3, alpha = 0.86)

7. My body aches when nursing

0.01

0.05

-0.02

0.92

0.00

0.88

8. I have ruined my health because of nursing

0.10

0.07

0.01

0.82

0.01

0.85

Service-related Burden (0–8: Mean = 1.8, SD = 1.8, alpha = 0.68)

9. It is a burden that public nursing care service personnel enter our house

0.09

0.22

-0.12

-0.11

0.86

0.80

10. I have a hard time because patients resent receiving public nursing care service

-0.08

-0.20

0.15

0.13

0.85

0.78

11. Total Care Burden (0–4: Mean = 1.9, SD = 1.2)

-

-

-

-

-

-

BIC total (0–44: Mean = 16.8, SD = 8.9, alpha = 0.91)

-

-

-

-

-

-

Total contribution of factors

0.86