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Table 1 S. japonicum prevalence and intensity of infection in the human cohort from Shian village, Anning River Valley, Sichuan Province, People's Republic of China at baseline in 2002

From: A 5-year longitudinal study of schistosomiasis transmission in Shian village, the Anning River Valley, Sichuan Province, the Peoples' Republic of China

Human Cohort Sub-group N Prevalence
(95% CI)
Intensity EPG
(95% CI)
All   319 42.0% (36.6, 47.5) 32.8 (26.9, 40.1)
Sex Female 162 41.4% (33.7, 49.0) 34.4 (25.8, 45.8)
  Male 157 42.7% (34.9, 50.5) 31.4 (23.6, 41.7)
Age 5-10 56 23.2% (11.8, 34.6) 19.2 (9.1, 40.3)
  11-20 42 23.8% (10.4, 37.2) 32.7 (13.2, 81.0)
  21-30 44 43.2% (27.9, 58.4) 35.4 (21.3, 59.0)
  31-40 79 51.9% (40.6, 63.2) 38.0 (25.2, 57.4)
  41-50 45 57.8% (42.8, 72.8) 28.7 (19.7, 41.8)
  51-60 33 48.5% (30.5, 66.5) 40.0 (22.1, 72.2)
  61-65 19 42.1% (17.7, 66.6) 30.9 (9.3, 102.7)
Occupation Farmer or fisherman 241 47.3% (41.0, 53.7) 35.1 (28.4, 43.3)
  Pre-school 18 22.2% (0.9, 43.5) 16.2 (2.0, 133.5)
  Student 59 27.1% (15.4, 38.8) 24.3 (12.1, 48.8)