Table 1 Characteristics of the participants (n = 1508)
From: Multidimensional structure of the Groningen Frailty Indicator in community-dwelling older people
|  | Overall sample (n = 1508) | Main sample (n = 1389) | Smaller sample (n = 119) | t (df) †or Chi2(df) ‡ | p |
|---|---|---|---|---|---|
Mean age (y) ± SD | 74.5 ± 6.9 | 74.3 ± 6.8 | 77.1 ± 7.7 | −3.94 (135.5) †| <0.001* |
Age groups, n (%) | Â | Â | Â | Â | Â |
65 – 69 y | 418 (29.2) | 392 (29.8) | 26 (21.8) | 20.01 (4) ‡ | <0.001* |
70 – 74 y | 363 (25.3) | 344 (26.2) | 19 (16) |  |  |
75 – 79 y | 301 (21.0) | 274 (20.9) | 27 (22.7) |  |  |
80 – 84 y | 206 (14.4) | 181 (13.8) | 25 (21) |  |  |
≥ 85 y | 145 (10.1) | 123 (9.4) | 22 (18.5) |  |  |
Gender, n (%) | Â | Â | Â | Â | Â |
Male | 730 (50.7) | 695 (52.7) | 35 (29.4) | 30.81 (2) ‡ | <0.001* |
Female | 709 (49.3) | 625 (47.3) | 84 (70.6) | Â | Â |
Educational level, n (%) | Â | Â | Â | Â | Â |
Low | 644 (47.1) | 582 (46.4) | 62 (55.4) | 5.47 (2) ‡ | 0.065 |
Middle | 507 (37.1) | 467 (37.2) | 40 (35.7) | Â | Â |
High | 216 (15.8) | 206 (16.4) | 10 (8.9) | Â | Â |
Living situation, n (%) | Â | Â | Â | Â | Â |
Living together | 848 (58.3) | 807 (60.4) | 41 (34.7) | 29.37 (1) ‡ | <0.001* |
Single living | 606 (41.7) | 529 (39.6) | 77 (65.3) | Â | Â |
GFI, mean ± SD | 3.0 ± 3.0 | 2.9 ± 3.0 | 3.4 ± 2.7 | −1.77 (1506) †| 0.078 |