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Table 1 Characteristics of 2 040 children, and intensity of infection with S. haematobium in 1 912 children from 20 schools in Lusaka Province, Zambia, 2004

From: Using the hierarchical ordinal regression model to analyse the intensity of urinary schistosomiasis infection in school children in Lusaka Province, Zambia

Variable

Mean (St. Dev)

Number (%)

Intensity of infection

 No infection (0 eggs/ml: epm)

 

1 726 (84.6)

 Light infection (1 – 100 epm)

 

145 (7.1)

 Moderate/heavy infection (>100 epm)

 

40 (2.1)

Age

 

9.98 (2.2)

 6–9 years

 

1 130 (55.9)

 10–15 years

 

900 (44.1)

Sex

 Female

 

1 027 (50.4)

 Male

 

1 000 (49.6)

Altitude

 Plateau

 

723 (35.5)

 Valley

 

1 316 (64.5)

NDVI

138.6 (4.9)

 

T max

19.6 (3.1)

 

Snail abundance (B. globosus)

25.3 (37.1)

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