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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.