Table 5. Product-moment Correlations of PROMIS SF, CAT and Legacy Instruments with 6 Minute Walk and Percent Predicted FEV1 when Participants are Stable.

PROMIS SF*	6 Minute Walk			% Predicted FEV1
	r	p-value	n	r	p-value**
Anger	-0.15	0.10	121	-0.08	0.37	128
Anxiety	-0.22	0.01	122	0.01	0.93	129
Depression	-0.23	0.01	122	-0.08	0.36	129
Fatigue	-0.26	<0.01	122	-0.11	0.20	128
Pain Behavior	-0.18	0.05	122	0.14	0.11	129
Pain Interference	-0.24	<0.01	122	0.09	0.31	129
Physical Function	0.53	<0.01	122	0.27	<0.01	129
Discretionary Social Activities	0.21	0.02	121	0.11	0.21	127
Social Roles	0.31	<0.01	121	0.17	0.06	128
PROMIS CAT*	6 Minute Walk			% Predicted FEV1
	r*	p**	n	r*	P**	n
Anger	-0.18	0.06	115	-0.05	0.60	121
Anxiety	-0.21	0.02	115	-0.01	0.94	121
Depression	-0.17	0.06	115	-0.10	0.28	121
Fatigue	-0.20	0.03	114	-0.11	0.21	120
Pain Behavior	-0.14	0.13	115	0.15	0.09	121
Pain Interference	-0.15	0.11	115	0.13	0.16	121
Physical Function	0.57	<0.01	114	0.34	<0.01	120
Discretionary Social Activities	0.24	0.01	115	0.11	0.25	121
Social Roles	0.24	0.01	115	0.15	0.10	121
Legacy Instruments+	6 Minute Walk			% Predicted FEV1
	r*	p**	n	r*	P**	n
FACIT - Dyspnea
Dyspnea	-0.50	<0.01	112	-0.31	<0.01	115
Functional Limitations	-0.50	<0.01	108	-0.27	<0.01	111
SGRQ
Symptoms	-0.09	0.33	121	-0.06		128
Activities	-0.41	<0.01	120	-0.25	<0.01	127
Impacts	-0.20	0.03	119	-0.17	0.06	127
Total	-0.27	<0.01	119	-0.20	0.03	127
PSQI
	-0.17		106	0.10		113
EXACT-PRO Day 1
	-0.33		110	-0.16		120
MMRC - Dyspnea
	-0.39	<0.01	122	-0.21	0.02	128

^*CAT=computer administered items; SF=short forms;

⁺SGRQ=St. George's Respiratory Questionnaire; Modified Medical Research Council (MMRC) Dyspnea Scale; Functional Assessment of Chronic Illness Therapy (FACIT) Dyspnea Scale; PSQI=Pittsburgh Sleep Quality Index; Exact-PRO= EXAcerbations of Chronic pulmonary disease Tool – Patient Reported Outcome