Table 2 Description and homogeneity of Groningen Frailty Indicator (n = 390)
Scale | No. of items | Mean (SD) | Minimum–maximum | Cronbach’s alpha |
|---|---|---|---|---|
Total score | 15 | 6.8 (3.4) | 0–15 | 0.81 |
Physical | 9 | 3.3 (2.4) | 0–9 | 0.77 |
Cognitive | 1 | 0.1 (0.3) | 0–1 | Not applicable |
Social | 3 | 2.0 (1.0) | 0–3 | 0.56 |
Psychological | 2 | 1.4 (0.8) | 0–2 | 0.78 |