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Table 1 The FACT-8D health state classification system and mapping to FACT-G items

From: The FACT-8D, a new cancer-specific utility algorithm based on the Functional Assessment of Cancer Therapies-General (FACT-G): a Canadian valuation study

Dimension DCE attribute wording Level Descriptor FACT-G item scores
Pain Pain 0 Not at all GP4 = 0
1 A little bit GP4 = 1
2 Somewhat GP4 = 2
3 Quite a bit GP4 = 3
4 Very much GP4 = 4
Fatigue Fatigue 0 Not at all GP1 = 0
1 A little bit GP1 = 1
2 Somewhat GP1 = 2
3 Quite a bit GP1 = 3
4 Very much GP1 = 4
Nausea Nausea 0 Not at all GP2 = 0
1 A little bit GP2 = 1
2 Somewhat GP2 = 2
3 Quite a bit GP2 = 3
4 Very much GP2 = 4
Sleepa Problems sleeping 0 Not at all GF5 = 4
1 A little bit GF5 = 3
2 Somewhat GF5 = 2
3 Quite a bit GF5 = 1
4 Very much GF5 = 0
Worka Problems doing work (including work at home) 0 Not at all GF1 = 4
1 A little bit GF1 = 3
2 Somewhat GF1 = 2
3 Quite a bit GF1 = 1
4 Very much GF1 = 0
Supporta Problems with support from my family and/or friends 0 Not at all GS2 OR GS3 = 4
1 A little bit GS2 OR GS3 = 3
2 Somewhat GS2 OR GS3 = 2
3 Quite a bit GS2 OR GS3 = 1
4 Very much GS2 OR GS3 = 0
Sadness Sadness 0 Not at all GE1 = 0
1 A little bit GE1 = 1
2 Somewhat GE1 = 2
3 Quite a bit GE1 = 3
4 Very much GE1 = 4
Worry my health will get worse Worry my health will get worse 0 Not at all GE6 = 0
1 A little bit GE6 = 1
2 Somewhat GE6 = 2
3 Quite a bit GE6 = 3
4 Very much GE6 = 4
  1. aReverse scoring is required for FACT-8D dimensions Sleep, Work and Support to map the DCE attribute wording correctly to corresponding FACT-G items GF5 (I am sleeping well), GF1 (I am able to work), GS2 (I get emotional support from my family) and GS3 (I get support from my friends)