Table 2.

Comparison of data on infections and vaccinations among study participants

Variable	COVID-19
	No		Yes		Twice
	n	%	n	%	n	%
Vaccine type
Unvaccinated	43	30.5	86	61.0	12	8.51
AstraZeneca	27	33.3	51	63.0	3	3.70
Johnson & Johnson	37	32.7	71	62.8	5	4.42
Moderna	31	46.3	34	50.7	2	2.99
Pfizer/BioNTech	1656	47.6	1694	48.7	130	3.74
AstraZeneca/Pfizer	68	48.9	63	45.3	8	5.76
Moderna/Pfizer	27	52.9	23	45.1	1	1.96
Johnson & Johnson/Pfizer	4	22.2	12	66.7	2	11.11
Doses
0	43	30.5	86	61.0	12	8.51
1	39	30.7	83	65.4	5	3.94
2	290	37.1	456	58.3	36	4.60
3	1315	48.8	1280	47.5	97	3.60
4	206	59.2	129	37.1	13	3.74
Last vaccination (quarter)
0	197	54.9	147	40.9	15	4.18
1	58	54.2	44	41.1	5	4.67
2	264	46.8	276	48.9	24	4.26
3	852	47.5	882	49.2	58	3.24
4	304	47.7	302	47.4	31	4.87
5	80	37.2	131	60.9	4	1.86
6	85	35.7	142	59.7	11	4.62
7	11	29.7	23	62.2	3	8.11