Table 1 Demographic characteristics of participants.

From: A randomized study to evaluate safety and immunogenicity of the BNT162b2 COVID-19 vaccine in healthy Japanese adults

Characteristic

BNT162b2

Placebo

Overall

20–64 years of age (N = 97)

65–85 years of age (N = 22)

20–64 years of age (N = 33)

65–85 years of age (N = 8)

(N = 160)

Male, n (%)

50 (51.5)

9 (40.9)

16 (48.5)

6 (75.0)

81 (50.6)

Race, n (%)

  Asian

97 (100.0)

22 (100.0)

33 (100.0)

8 (100.0)

160 (100.0)

Ethnicity, n (%)

  Non-Hispanic/non-Latinx

97 (100.0)

22 (100.0)

33 (100.0)

8 (100.0)

160 (100.0)

Racial designation, n (%)

  Japanese

97 (100.0)

22 (100.0)

33 (100.0)

8 (100.0)

160 (100.0)

Age at vaccination, years

  Mean (SD)

41.5 (12.83)

70.2 (3.26)

38.3 (13.20)

71.3 (3.20)

46.3 (16.55)

  Median (range)

43.0 (20–63)

71.5 (65–74)

37.0 (20–60)

70.5 (67–76)

47.0 (20–76)

  1. Results are for the safety population.
  2. SD standard deviation.