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Table 3 Scaling coefficients from Mokken scale analyses for items of the GFI subscales ( n = 1508)*

From: Multidimensional structure of the Groningen Frailty Indicator in community-dwelling older people

Item

Daily activities (item 1–4)

Health problems (item 5–10)

Psychosocial functioning (item 11–15)

 

H i (95% CI)

H i (95% CI)

H i (95% CI)

1

0.89 (0.84-0.95)

0.40 (0.35-0.45)

0.57 (0.54-0.61)

2

0.83 (0.77-0.89)

0.34 (0.28-0.39)

0.56 (0.52-0.61)

3

0.78 (0.71-0.85)

0.28 (0.23-0.33)

0.58 (0.53-0.62)

4

0.83 (0.74-0.91)

0.30 (0.24-0.35)

0.51 (0.47-0.55)

5

-

0.45 (0.39-0.51)

0.47 (0.42-0.51)

6

-

0.29 (0.23-0.35)

-

H s

0.84 (0.78-0.89)

0.35 (0.31-0.39)

0.54 (0.50-0.57)

  1. Abbreviations: GFI Groningen Frailty Indicator, H i scaling coefficient of item, H s scaling coefficient of total subscale, CI confidence interval.
  2. *Interpretation Loevinger’s scaling coefficients: H s of 0.30 - 0.40 indicates a weak scale; H s of 0.40 – 0.50 indicates a moderate scale; H s >0.50 indicates a strong scale.