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Table 2 Descriptive statistics of the items (upper panel) and the scale (lower panel) for the K6

From: A Mokken scale analysis of the Kessler-6 screening measure among Chinese older population: findings from a national survey

Item

M

SD

Hj

SE

citc

1

0.71

1.01

0.581

0.011

0.72

2

0.52

0.86

0.555

0.011

0.70

3

0.57

0.92

0.590

0.010

0.76

4

0.45

0.88

0.584

0.011

0.74

5

0.72

1.09

0.574

0.010

0.71

6

0.41

0.85

0.592

0.011

0.74

M

  

3.38

  

SD

  

4.38

  

H

  

579

0.009

 

α

  

0.87

  

λ2

  

0.87

  

MS

  

0.87

  

LCRC

  

0.87

  
  1. Note. N = 6450. Hj = item-scalability coefficient; SE = standard error of item scalability coefficient; citc = corrected item-test correlation; H = total-scalability coefficient; α = Cronbach’s alpha; λ2 = Guttman’s lambda-2; MS = Molenaar–Sijtsma method; LCRC = Latent Class Reliability Coefficient
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BMC Geriatrics

ISSN: 1471-2318

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