Table 5.
FACT-8D descriptive system: how the dimensions and levels map to the 9 component FACT-G items, and associated Canadian utility decrements
| FACT-8D Dimension (d) FACT-G question | FACT-G item | FACT-G item level (l) and associated utility decrement (wdl) | ||||
|---|---|---|---|---|---|---|
| Level 1 BEST | Level 2 | Level 3 | Level 4 | Level 5 WORST | ||
| Pain | GP4 | Not at all | A little bit | Somewhat | Quite a bit | Very much |
| I have pain | 0 | 0 | − 0.077 | − 0.187 | − 0.384 | |
| Fatigue (lack of energy) | GP1 | Not at all | A little bit | Somewhat | Quite a bit | Very much |
| I have a lack of energy | 0 | − 0.054 | − 0.075 | − 0.144 | − 0.164 | |
| Nausea | GP2 | Not at all | A little bit | Somewhat | Quite a bit | Very much |
| I have nausea | 0 | − 0.099 | − 0.149 | − 0.162 | − 0.298 | |
| Sleep | GF5 | Not at all | A little bit | Somewhat | Quite a bit | Very much |
| I am sleeping well | 0 | 0 | 0 | − 0.077 | − 0.077 | |
| Work | GF1 | Very much | Quite a bit | Somewhat | A little bit | Not at all |
| I am able to work (include work at home) | 0 | − 0.057 | − 0.090 | − 0.090 | − 0.231 | |
| Support* | GS2, GS3 | Very much | Quite a bit | Somewhat | A little bit | Not at all |
| I get emotional support from my family and support from my friends | 0 | − 0.022 | − 0.022 | − 0.120 | − 0.195 | |
| Sadness | GE1 | Not at all | A little bit | Somewhat | Quite a bit | Very much |
| I feel sad | 0 | 0 | − 0.127 | − 0.127 | − 0.185 | |
| Worry my health will get worse | GE6 | Not at all | A little bit | Somewhat | Quite a bit | Very much |
| I worry that my condition will get worse | 0 | − 0.097 | − 0.097 | − 0.097 | − 0.118 | |
*For the Support dimension, take the better of the two items