Table 1. Association of self-reported symptoms and Covid-19 in hospital staff.

Symptom	Symptom reported				Symptom not reported				Univariable		Multivariable
	n	Covid-19 positive	Covid-19 negative	% positive	N	Covid-19 positive	Covid-19 negative	% positive	Or (95% CI)	P value	Or (95% CI)	P value
Anosmia or loss of taste	858	489	369	57.0	9174	637	8537	6.9	17.7 (15.1–20.8)	<0.001	17.7 (14.1–22.2)	<0.001
Myalgia	1796	501	1295	27.9	8236	625	7611	7.6	4.7 (4.1–5.4)	<0.001	2.1 (1.7–2.6)	<0.001
Fever	1465	406	1059	27.7	8567	720	7847	8.4	4.2 (3.6–4.8)	<0.001	1.5 (1.2–1.8)	<0.001
Nausea or vomiting	417	130	287	31.2	9615	996	8619	10.4	3.9 (3.1–4.9)	<0.001	1.2 (0.9–1.6)	0.18
Fatigue	2718	591	2127	21.7	7314	535	6779	7.3	3.5 (3.1–4)	<0.001	1.0 (0.8–1.2)	0.81
Cough	1813	403	1410	22.2	8219	723	7496	8.8	3 (2.6–3.4)	<0.001	1.2 (1.0–1.5)	0.04
Shortness of breath	1022	245	777	24.0	9010	881	8129	9.8	2.9 (2.5–3.4)	<0.001	1.2 (0.9–1.5)	0.30
Diarrhoea	607	147	460	24.2	9425	979	8446	10.4	2.8 (2.2–3.4)	<0.001	1.1 (0.9–1.5)	0.30
Hoarseness	645	136	509	21.1	9387	990	8397	10.5	2.3 (1.8–2.8)	<0.001	1.2 (0.9–1.7)	0.23
Nasal congestion	1871	355	1516	19.0	8161	771	7390	9.4	2.2 (2–2.6)	<0.001	1.0 (0.8–1.2)	0.63
Sore throat	2248	356	1892	15.8	7784	770	7014	9.9	1.7 (1.5–2)	<0.001	0.6 (0.5–0.8)	<0.001
*Hoarseness + Anosmia or loss of taste											0.5 (0.3–0.8)	0.002
*Shortness of breath + Anosmia or loss of taste											0.5 (0.3–0.7)	<0.001

*All interactions with an interaction Wald p values < 0.01 are shown.