Table 7. Demographic characteristics of matched pairs for analysis for homologous versus heterologous 3-dose schedule SARS-CoV-2 vaccine effectiveness subanalysis, Western Australia, Australia, February 1, 2022–May 31, 2022*.

Characteristic	Homologous schedule, no. (%)	Heterologous schedule, no. (%)
Age group, y
16–19	8,409 (5.4)	0 (0.2)
20–29	33,199 (23.5)	249 (6.8)
30–39	42,223 (29.0)	268 (6.0)
40–49	44,699 (28.4)	291 (2.7)
50–59	17,565 (11.3)	4,449 (16.8)
60–69	1,442 (1.2)	10,897 (38.4)
70–79	370 (0.3)	5,923 (21.0)
>80	1,244 (0.9)	2,109 (8.0)
Sex
F	84,961 (55.8)	11,458 (46.2)
M	63,950 (43.9)	12,706 (53.4)
Unspecified	240 (0.3)	25 (0.5)
Aboriginal Status
Non-Aboriginal	147,475 (98.7)	24,069 (99.2)
Aboriginal	1,676 (1.3)	117 (0.8)
No. comorbidities
0	143,910 (96.6)	19,940 (85.0)
1	1,656 (1.0)	780 (2.7)
2	2,997 (1.9)	2,284 (8.0)
3	153 (0.1)	258 (0.9)
4	337 (0.2)	624 (2.3)
>5	98 (0.1)	300 (1.1)
IRSAD
1	306 (0.3)	31 (0.5)
2	6,641 (4.7)	1,024 (4.7)
3	3,074 (2.1)	561 (2.3)
4	12,710 (8.6)	2,649 (10.7)
5	14,401 (9.4)	2,756 (10.5)
6	14,992 (10.2)	1,846 (8.4)
7	15,669 (10.5)	2,268 (9.5)
8	23,381 (15.4)	2,825 (11.7)
9	30,236 (20.4)	4,827 (20.4)
10	27,741 (18.5)	5,399 (21.4)

*IRSAD, Index of Relative Socioeconomic Advantage and Disadvantage.