Table 2.
Internal consistency of FACT-G and subscales
| English Version 2 [1] | Spanish Version 2 [6] | Spanish Version 4 | ||||
| Subscale | Mean ± SD | Alpha coefficients | Mean ± SD | Alpha coefficients | Mean ± SD | Alpha coefficients |
| PWB (7 items) | 20.5 ± 5.5 | .82 | 19.0 ± 5.9 | .79 | 15.7 ± 8.9 | .91 |
| SFWB (6 items) | ----- | ---- | ----- | 16.6 ± 5.1 | .82 | |
| SFWB (7 items)* | 21.9 ± 4.8 | .69 | 18.0 ± 5.7 | .65 | 18.6 ± 5.9 | .81 |
| EWB (5 items) | 14.8 ± 5.0 | .74 | 14.2 ± 3.7 | .60 | ----- | ---- |
| EWB (6 items) | --- | ---- | ---- | 13.5 ± 6.3 | .78 | |
| FWB (6 items) | 18.0 ± 6.1 | .80 | 12.9 ± 5.6 | .72 | 16.0 ± 6.0 | .81 |
| Relationship with Doctor (2 items) | 6.9 ± 1.5 | .65 | 6.8 ± 1.2 | .66 | ----- | ---- |
| Total FACT-G | 82.1 ± 15.9 | .89 | 71.9 ± 15.7 | .83 | 61.9 ± 18.4 | .89 |
| Total FACT-G (*) | 63.7 ± 19.0 | .89 | ||||
PWB = Physical Well-being; FWB = Functional Well-being; SFWB = social and Family Well-being; EWB = Emotional Well-being (*) Includes "satisfaction with sexual life".