Journal of Patient-Reported Outcomes

Table 5 SIC Construct Validity Correlations With PROMIS-29 Scores (Cross-sectional Study, N = 152)

From: Psychometric evaluation of the Symptoms of Infection with Coronavirus-19 (SIC): results from a cross-sectional study and a phase 3 clinical trial

	PROMIS-29 scores
SIC composite score	Depression	Anxiety	Physical function	Pain interference	Fatigue	Sleep disturbance	Social activities	Pain intensity
Constitutional	0.38	0.36	− 0.59	0.44	0.52	0.41	− 0.55	0.52
Gastrointestinal	0.39	0.35	− 0.47	0.47	0.43	0.31	− 0.54	0.51
Musculoskeletal	0.48	0.36	− 0.61	0.56	0.56	0.45	− 0.59	0.61
Neurologic	0.36	0.37	− 0.47	0.48	0.44	0.35	− 0.45	0.52
Sensory	0.37	0.42	− 0.50	0.25	0.48	0.30	− 0.42	0.29
Respiratory	0.42	0.28	− 0.47	0.43	0.41	0.30	− 0.48	0.50
Upper respiratory	0.34	0.19	− 0.30	0.34	0.27	0.21	− 0.33	0.39
Lower respiratory	0.39	0.30	− 0.52	0.42	0.44	0.31	− 0.50	0.48

SIC, Symptoms of Infection with Coronavirus-19; PROMIS-29, Patient-Reported Outcomes Measurement Information System-29
All P < 0.05 for H₀: ρ = 0

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