Table 4.
PROMIS-29+2a (version 2.1; PROPrb) scale means (SDs) on the baseline survey.
| Scale | Did not endorse fake health conditions (n=5836), mean (SD) | Endorsed fake health condition (n=996), mean (SD) | Overall sample (N=6832), mean (SD) |
| Physical function | 49 (8) | 41 (5) | 48 (8) |
| Pain interference | 51 (9) | 63 (5) | 53 (10) |
| Pain intensity | 52 (10) | 64 (9) | 54 (11) |
| Fatigue | 50 (10) | 58 (8) | 51 (10) |
| Depression | 53 (10) | 63 (7) | 54 (10) |
| Anxiety | 54 (10) | 63 (7) | 56 (10) |
| Sleep disturbance | 50 (9) | 51 (4) | 50 (9) |
| Ability social roles or activities | 53 (9) | 43 (7) | 52 (10) |
| Cognitive function | 50 (9) | 47 (7) | 49 (9) |
| PROMIS-29 physical health summary | 49 (9) | 40 (3) | 48 (9) |
| PROMIS-29 mental health summary | 50 (9) | 39 (6) | 48 (9) |
| PROPr | 0.45 (0.25) | 0.20 (0.10) | 0.41 (0.25) |
aPROMIS: Patient-Reported Outcomes Measurement Information System.
bPROPr: PROMIS preference-based score.