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

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)

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

16.2 (2.0, 133.5)

Student

59

27.1% (15.4, 38.8)

24.3 (12.1, 48.8)