Skip to main content

Table 4 Unidimensionality and Global fit statistics for the Barthel index in assessing activities of daily living of the LTCI claimants

From: Health status, care needs, and assessment for beneficiaries with or without dementia in a public long-term care insurance pilot in Guangzhou, China

Variables

Successful claimants

Unsuccessful claimants (n = 228)

Selected sample (n = 828)

without dementia (n = 3791)

with dementia (n = 791)

Cumulative variance explained by Rasch dimension

50.6%

51.5%

43.5%

59.2%

Cumulative variance explained by first contrast

10.8%

13.6%

18.3%

11.4%

Eigenvalue of Rasch dimension

10.3

10.6

7.5

14.5

Eigenvalue of first contrast

2.2

2.8

3.2

2.8

Person reliability

0.39

0.58

0.59

0.69

Item reliability

1.00

0.99

0.99

1.00

Global fit statistics (Log-likelihood χ2, P)

28,530.53, 0.94

8055.87, 0.65

2822.05, 0.43

8535.46, 0.53

Standardized residuals, mean (SD)

−0.02 (0.84)

−0.01 (0.94)

−0.01 (1.01)

−0.01 (0.91)

Person measure, mean (SD)

−0.82 (0.54)

−0.49 (0.52)

0.28 (0.24)

−0.37 (0.59)

  1. Abbreviation: LTCI Long term care insurance, SD Standard deviation