Table 3.

Differences in infection, hospitalization, and mortality rates across the two groups for fully vaccinated and non-vaccinated individuals.

	Non-vaccinated by Feb 1, 2021 (n=41 102)*		Fully vaccinated by Feb 1, 2021 (n=9976)
	Schizophrenia (n=20 879)	Controls (n=20 223)	Schizophrenia (n=4660)	Control (n=5316)
COVID-19 infection (n=643)
N of events	279 (1·33%)	343 (1·69%)	4 (0·08%)	17 (0·31%)
Follow-up, PY	4540·8	4381·1	1017·4	1148·1
Incidence rate, /1000 PY (95% CI)	61·4 (54·5–69·0)	78·3 (70·3–86·9)	3·9 (1·3-9·5)	14·8 (8·9–23·2)
Incidence rate difference, 1000 PY	−16·9	Reference	−10·9	Reference
COVID-19 hospitalization (n=54)
N of events	40 (0·19%)	11 (0·05%)	2 (0·04%)	1 (0·01%)
Follow-up, PY	4572·0	4430·0	1020·8	1164·1
Incidence rate (95% CI)	8·7 (6·3–11·8)	2·5 (1·3–4·3)	2·0 (0·3-6·5)	0·9 (0·4–4·2)
Incidence rate difference, 1000 PY	6·2	Reference	1·1	Reference
COVID-19 mortality (n=36)
N of events	25 (0·11%)	10 (0·04%)	0 (0·0%)	1 (0·01%)
Follow-up, PY	4576·2	4426·4	1021·3	1165·2
Incidence rate (95% CI)	5·5 (3·6–7·9)	2·3 (1·1–4·0)	0·0	0·9 (0·0–4·2)
Incidence rate difference, 1000 PY	3·2	Reference	−0·9	Reference

Outcomes in this table were collected from Feb 1, 2021 to end of April 2021. PY=person-year.

^*Includes individuals who were only partially vaccinated as of Jan 31, 2021.