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Table 1 Characteristics of the study population.

From: Comparisons of high-risk cervical HPV infections in Caribbean and US populations

  Tobago Jamaica US Total
Number of subjects 212 99 82 393
Population source GP GP GP GP
Age (years, mean ± SD) 41 ± 11.6 36 ± 11.7
(n = 91)
53 ± 9.0 42 ± 12.7
(n = 391)
Age, first sexual intercourse
(years, mean ± SD)
18 ± 3.5
(n = 191)
17 ± 2.8
(n = 95)
19 ± 3.8
(n = 80)
18 ± 3.5
(n = 366)
Number of sex partners N (%)     
   1–5 153 (79.7) 72 (74.2) 48 (60.8) 273 (74.2)
   6–15 39 (20.3) 20 (20.6) 24 (30.4) 83 (22.6)
   16+ 0 (0.0) 5 (5.2) 7 (8.9) 12 (3.3)
  1. GP = general population; SD = standard deviation; when there are subjects with missing data, the number of the subpopulation (n) used to calculate the overall means is indicated in each cell.