Mental health outcomes following COVID-19 infection: impacts of post-COVID impairments and fatigue on depression, anxiety, and insomnia — a web survey in Sweden

Table 7 Results from hierarchical multiple regression analyses of depression, anxiety, and insomnia

	Depression		Anxiety		Insomnia
Block 1	ΔR2 = 0.144, F = 16.08, p < 0.001		ΔR2 = 0.071, F = 7.46, = 0.001		ΔR2 = 0.130, F = 14.59, p < 0.001
	β	p	β	p	β	p
Severity of COVID-19 infection	0.144	0.035	0.125	0.134	0.174	0.038
Hospitalization for COVID-19	0.033	0.528	0.049	0.440	0.082	0.199
Block 2	ΔR2 = 0.165, F = 11.14, p < 0.001		ΔR2 = 0.119, F = 7.003, p < 0.001		ΔR2 = 0.062, F = 3.67, p = 0.007
Impairments in mental functions ^a	0.243	0.014	0.291	0.017	0.037	0.764
Impairments in sensory functions and pain	0.082	0.393	0.212	0.074	0.018	0.880
Impairments in body system functions	0.050	0.624	0.033	0.794	0.093	0.467
Impairments in activities and participation	0.054	0.519	0.142	0.165	0.128	0.219
Block 3	ΔR2 = 0.230, F = 18.11, p < 0,001		ΔR2 = 0.119, F = 6.36, p < 0.001		ΔR2 = 0.091, F = 4.69, p < 0.001
General fatigue	0.099	0.157	0.019	0.810	0.188	0.024
Physical fatigue	0.127	0.091	0.046	0.612	0.019	0.837
Reduced activity	0.016	0.843	0.115	0.247	0.177	0.077
Reduced motivation	0.448	< 0.001	0.395	< 0.001	0.286	< 0.001
Mental fatigue	0.010	0.897	0.019	0.841	0.036	0.713

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