. Author manuscript; available in PMC: 2020 Apr 1.

Published in final edited form as: Arch Phys Med Rehabil. 2018 Jun 20;100(4 Suppl):S102–S109. doi: 10.1016/j.apmr.2018.05.020

Table 3.

Known Groups Validity for PROMIS Physical Health CATs


	Caregiver of a High Functioning Individual		Caregiver of a Low Functioning Individual
PROMIS CATs	(MPAI-4 <60)		(MPAI-4>60)
	Mean (SD)	% Impaired^*	Mean (SD)	% Impaired^*	t	p

Civilian sample	N = 293		N = 42

Fatigue	51.20 (9.34)	17.1	56.27 (10.50)	40.5	3.24	.001
Sleep Disturbance	50.68 (9.35)	15.0	55.76 (8.92)	28.6	3.31	.001

Military sample	N = 104		N = 101

Fatigue	56.02 (8.98)	32.7	60.53 (8.68)	53.5	3.66	<.001
Sleep Disturbance	56.22 (9.35)	32.7	60.22 (9.45)	43.6	3.05	.003

Note.

PROMIS = Patient Reported Outcome Measurement Information System;

CATs = Computer Adaptive Tests;

MPAI-4 = Mayo-Portland Adaptability Inventory – Fourth Edition;

^{* =}

impairment rates reflect individuals with T score > 60