Psychology: Research and Review
Table 4 Internal consistency of GDS
From: Multi-ethnic validation of 15-item Geriatric Depression Scale in Chile
Item-total corrected correlation GDS items | Non-indigenous | Aymara | Mapuche |
|---|---|---|---|
1 R | 0.521 | 0.280 | 0.589 |
2 | 0.521 | 0.258 | 0.425 |
3 | 0.677 | 0.498 | 0.494 |
4 | 0.614 | 0.416 | 0.528 |
5 R | 0.669 | 0.595 | 0.585 |
6 | 0.444 | 0.351 | 0.410 |
7 R | 0.740 | 0.554 | 0.636 |
8 | 0.734 | 0.589 | 0.556 |
9 | 0.498 | 0.327 | 0.292 |
10 | 0.206 | 0.273 | 0.374 |
11 R | 0.670 | 0.403 | 0.537 |
12 | 0.749 | 0.575 | 0.509 |
13 R | 0.531 | 0.569 | 0.424 |
14 | 0.642 | 0.482 | 0.518 |
15 | 0.565 | 0.186 | 0.509 |
KR-20 coefficient | 0.901 | 0.796 | 0.848 |
Item homogeneity | 0.38 | 0.24 | 0.29 |