Table 1.

Proportion of subgroups (95% confidence intervals) of age and sex among inpatient and outpatient COVID-19 cases and corresponding control cohorts.

	COVID-19 inpatients		Controls		COVID-19 outpatients		Controls
Age
18 to 20	0.01	[0.01, 0.01]	0.01	[0.01, 0.02]	0.03	[0.02, 0.04]a	0.01	[0.01, 0.01]a
21 to 25	0.02	[0.02, 0.03]	0.01	[0.01, 0.02]	0.04	[0.03, 0.05]	0.03	[0.03, 0.04]
26 to 49	0.16	[0.14, 0.18]	0.18	[0.16, 0.20]	0.33	[0.31, 0.34]	0.32	[0.31, 0.33]
50 to 69	0.35	[0.34, 0.36]	0.33	[0.32, 0.35]	0.30	[0.29, 0.32]	0.32	[0.30, 0.33]
70 to 79	0.24	[0.22, 0.26]	0.22	[0.20, 0.25]	0.11	[0.10, 0.13]	0.13	[0.11, 0.14]
80 plus	0.19	[0.18, 0.21]a	0.15	[0.14, 0.16]a	0.07	[0.06, 0.09]	0.05	[0.05, 0.06]
Sex
Female	0.26	(0.22, 0.31)	0.24	(0.20, 0.30)	0.36	(0.31, 0.42)	0.41	(0.36, 0.46)
Male	0.74	(0.70, 0.79)	0.76	(0.70, 0.80)	0.64	(0.58, 0.69)	0.59	(0.54, 0.64)

^aStatistically significant difference in comparison to controls.