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Table 1 Prevalence of STH in Nukutefau residents by age-group, 2004. Population data are from 2002 census.

From: Prevalence of soil transmitted nematodes on Nukufetau, a remote Pacific island in Tuvalu

Age group (years) Total population Number examined (% pop of age group) Hookworm positive (%) Trichuris positive (%) STH positive (%) Trichuris Geometric Mean Intensity EPG*
0–9 171 62 (36.3) 1 (1.6) 43 (69.4) 43 (69.4) 54.2
10–19 95 26 (27.4) 1 (3.8) 19 (73.1) 19 (73.1) 67.6
20–29 51 6 (11.8) 0 (0.0) 5 (83.3) 5 (83.3) 40.9
30–39 70 15 (21.4) 3 (20.0) 10 (66.7) 10 (66.7) 35.3
40–49 79 25 (31.6) 5 (20.0) 16 (64.0) 17 (68.0) 17.6
50–59 52 37 (71.2) 9 (24.3) 27 (73.4) 27 (73.0) 56.0
60–69 47 23 (48.9) 3 (13.0) 13 (56.5) 14 (60.9) 20.3
≥70 20 12 (60.0) 2 (16.7) 8 (66.7) 9 (75.0) 35.5
Total 585 206 (35.2) 24 (11.7) 141 (68.4) 144 (69.9) 41.2
CI 0.95    9.5–13.9% 65.2–71.6% 66.7–73.1%  
  1. *Geometric Mean Intensity EPG calculated for all subjects as per Mani et al (2004).