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Table 1 Demographic characteristics of the study participants (Total Cohort Year 5)

From: Long-term immunogenicity and safety after a single dose of the quadrivalent meningococcal serogroups A, C, W, and Y tetanus toxoid conjugate vaccine in adolescents and adults: 5-year follow-up of an open, randomized trial

Characteristics

Parameter or category

ACWY-TT

Men-PS

(N = 299)

(N = 105)

Age at Year 5 (years)

mean age (SD)

23.3 (7.7)

23.6 (8.1)

Age stratum (years)

11–17, n (%)

208 (69.6)

76 (72.4)

 

18–55, n (%)

91 (30.4)

29 (27.6)

Gender

Female, n (%)

136 (45.5)

52 (49.5)

Race

Asian - South East Asian heritage, n (%)

247 (82.6)

86 (81.9)

 

White - Arabic/North African heritage, n (%)

52 (17.4)

19 (18.1)

  1. ACWY-TT = group of participants who received one dose of MenACWY-TT at Month 0
  2. Men-PS = group of participants who received one dose of MenACWY-PS at Month 0
  3. N = total number of participants
  4. SD = standard deviation
  5. n (%) = number (percentage) of participants in a given category