Table 3.

Association between log-transformed antibody titres and participant characteristics.

	Anti-Spike Antibody Titre			Anti-Receptor Binding Domain Titre			Anti-Nucleocapsid Antibody Titre
	Beta	95% CI	p-value	Beta	95% CI	p-value	Beta	95% CI	p-value
All Patients
Male Sex	0.383	0.142-0.623	0.002	0.412	0.193-0.640	<0.0013	0.314	0.120-0.509	0.002
Age (years)	0.006	-0.001-0.013	0.095	0.008	0.001-0.014	0.031	0.010	0.004-0.0160	0.001
Symptomatic Illness	1.25	0.975 - 1.532	<0.001	1.029	0.772-1.286	<0.001	1.020	0.796 - 1.244	<0.001
Symptomatic Individuals
Male Sex	0.137	-0.202 - 0.479	0.448	0.1411	-0.173 - 0.457	0.381	0.079	-0.212 - 0.372	0.612
Age (years)	0.023	0.013-0.033	<0.0001	0.021	0.012 - 0.030	<0.001	0.028	0.020 - 0.037	<0.001
Time since reported illness (days)	-0.002	-0.004 - 0.000	0.041	-0.002	-0.004 - 0.000	0.022	0.005	-0.007 - -0.003	<0.001