Table 5.

Internal consistency reliability of the Patient-Reported Outcomes Measurement Information System-29+2 (version 2.1) preference–based score scales on the 3-month survey.

Scale	Did not endorse fake health conditions (n=972)	Endorsed fake health condition (n=59)
Physical function	0.92	0.53
Pain interference	0.95	0.76
Fatigue	0.94	0.77
Depression	0.93	0.81
Anxiety	0.92	0.80
Sleep disturbance	0.88	−0.21
Ability to participate in social roles and activities	0.94	0.78
Cognitive function	0.70	0.44