Table 4

Associations between alert levels and symptoms

Symptom	Overall (%)	Level 2 (%)	Level 3 (%)	Level 4 (%)	Level 5 (%)	Χ²	P value
Acute stage
Fever	76	76	78	76	81	0.824	0.844
SoB	71	75	63	70	74	2.32	0.509
Fatigue	66	65	72	68	62	1.52	0.678
Cough	65	71	53	66	63	3.57	0.312
Myalgia	57	54	66	59	51	2.94	0.4
Loss of smell/taste	38	33	44	39	36	1.73	0.631
Arthralgia	35	34	26	33	38	1.71	0.634
Widespread pain	32	17	19	33	55	30.5	<0.001**
Sore throat	31	33	26	27	33	1.74	0.628
Runny nose	15	8	6	12	25	11.6	0.009*
Headache	14	14	13	16	10	2.27	0.519
Local pain	12	11	6	12	14	1.27	0.735
Hospitalisation	25	22	19	24	34	4.39	0.222
Postacute stage
Fatigue	68	0	41	35	33	1.581	0.454
SoB and/or cough	68	0	25	28	45	0.364	0.834
Memory and/or concentration issues	42	0	71	62	82	1.091	0.58
Low mood	37	0	37	30	30	0.569	0.752
Sleep issues	33	0	35	43	54	8.235	0.016*
Anxiety	32	0	7	13	13	1.818	0.403
Pain	30	0	18	21	21	3.697	0.157
Headache	20	0	68	69	67	1.061	0.588
ADL limitations	11	0	78	75	76	0.398	0.82