Table E3.

Symptom rating for all disease occasions reported by SARS-CoV-2 seropositive and seronegative subjects

Symptom	Rating	Seropositive		Seronegative		P value∗
		No.	%	No.	%
Reduced taste or smell	Yes, very much	102	33.8	43	8.1	<.0001
	Yes, pretty much	24	8.0	23	4.3
	Yes, a little	43	14.2	52	9.7
	No	133	44.0	416	77.9
Sore throat	Yes, very much	23	7.4	63	11.5	<.0001
	Yes, pretty much	72	23.3	157	28.5
	Yes, a little	107	34.6	220	40.0
	No	107	34.6	110	20.0
Fever	Yes, very much	20	6.5	32	6.0	.002
	Yes, pretty much	53	17.3	79	14.7
	Yes, a little	127	41.5	168	31.3
	No	106	34.6	258	48.0
Pain in bone or muscles	Yes, very much	37	12.1	32	5.9	<.001
	Yes, pretty much	63	20.5	79	14.6
	Yes, a little	64	20.8	114	21.1
	No	143	46.6	316	58.4
Body fatigue	Yes, very much	53	17.2	61	11.1	.005
	Yes, pretty much	72	23.3	96	17.5
	Yes, a little	80	25.9	173	31.5
	No	104	33.7	219	39.9
Runny nose	Yes, very much	31	10.0	69	12.6	NS
	Yes, pretty much	78	25.2	162	29.6
	Yes, a little	125	40.3	211	38.5
	No	76	24.5	106	19.3

^∗Chi-square test or Fisher exact test.