TABLE 5.

Regression models predicting variation in the cognitive symptom factor (ongoing and current) from non-cognitive symptom factors (initial, ongoing, and current).

	Radj2	Effect size (η′p2) of Independent Variable						Interactions
IV: Initial symptoms
		Neurological/Psychiatric	Fatigue/Mixed	Gastrointestinal	Respiratory/Infectious	Dermatological
Ongoing Cognitive Symptoms	0.2 p < 0.001	0.092	0.129	0.029	0.029	n.s.
Current Cognitive Symptoms	0.139 p < 0.001	0.057	0.110	n.s.	n.s.	n.s.
IV: Ongoing symptoms
		Neurological	Gastrointestinal/Autoimmune	Cardiopulmonary/Fatigue	Dematological/Fever	Appetite loss	Mood	GI/AI × Card-Pul
Ongoing Cognitive Symptoms	0.558 p < 0.001	0.236	0.309	0.325	n.s.	0.056	0.043
Current Cognitive Symptoms	0.36 p < 0.001	0.118	0.115	0.208	n.s.	n.s.	n.s.	0.038
IV: Current symptoms
Current Cognitive Symptoms	0.494 p < 0.001	0.074	n.s.	0.306	n.s.	0.021	n.s.

Only partial eta squared (η′_p²) effect size is given here, as beta coefficients are not meaningful for already standardized variables.