Table 1.

Baseline characteristics of 281 264 study participants aged 18-65 years who received the Oxford-AstraZeneca vaccine against covid-19 (ChAdOx1) in Denmark and Norway

Characteristics	Denmark (n=148 792)	Norway (n=132 472)
Women	119 119 (80.1)	102 848 (77.6)
Median (interquartile range) age (years):	45 (33-55)	44 (32-55)
18-24	13 731 (9.2)	13 092 (9.9)
25-29	13 784 (9.3)	12 704 (9.6)
30-34	12 774 (8.6)	13 002 (9.8)
35-39	13 968 (9.4)	13 199 (10.0)
40-44	17 134 (11.5)	14 365 (10.8)
45-49	19 827 (13.3)	15 582 (11.8)
50-54	19 629 (13.2)	15 916 (12.0)
55-59	21 027 (14.1)	17 630 (13.3)
60-65	16 918 (11.4)	16 982 (12.8)
Month vaccinated:
February 2021	84 359 (56.7)	53 678 (40.5)
March 2021	64 433 (43.3)	78 794 (59.5)