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Table 1 Association of Schistosoma haematobium and STH infections in the school children with various predictors. Coefficents are exponentiated regression coefficients from logistic regression (infection status) or from negative binomial regression (intensity of infection) as compared to the reference category, i.e., Kau school for school, girls for gender, 5–9 years for age class, non-infected plus light infection for S. haematobium and uninfected for the three other infections. Results from the multivariable analyses are presented in the text

From: Schistosoma haematobium and soil-transmitted Helminths in Tana Delta District of Kenya: infection and morbidity patterns in primary schoolchildren from two isolated villages

   Infection status (odds ratio) Intensity of infection (count ratio)
N S. haematobium Hookworm T. trichiura A. lumbricoides S. haematobium Hookworm T. trichiura A. lumbricoides
Ozi school 195 0.18 2.61** 1.45 2.02* 0.90 4.12*** 3.65*** 2.44
Boys 128 1.64 2.66** 1.37 1.35 1.22 1.97* 0.51*** 1.53
Age 10–12 years 166 4.17* 1.47 0.80 0.97 1.34 0.90 0.50*** 0.62
S. haematobium          
 Medium: 35–231 82 --- 0.98 1.41 1.21 --- 1.67 0.46*** 0.66
 High: 232–1000 82 --- 1.36 1.10 1.15 --- 1.22 0.50** 0.97
Hookworm          
 Low: 7–106 68 0.90 --- 1.34 0.58 0.98 --- 0.87 0.61
 Medium: 113–453 73 0.47 --- 11.21** 1.38 1.19 --- 3.95*** 7.58***
 High: 460–3786 71 0.55 --- 5.29** 2.59 1.14 --- 3.35*** 3.70*
T. trichiura          
 Low:7–85 77 1.25 2.23 --- 1.96 1.01 2.37* --- 0.82
 Medium: 92–290 76 0.60 3.70* --- 3.09* 0.91 3.20** --- 2.19
 High: 297–21231 78 0.26 4.84** --- 5.49*** 1.00 4.96*** --- 12.00***
A. lumbricoides          
 Low: 7–43 38 0.38 0.74 2.35 --- 1.12 1.96* 1.48 ---
 Medium: 50–297 41 0.55 1.55 2.55 --- 1.15 1.85* 2.14** ---
 High: 311–18789 40 0.53 2.39 7.87* --- 0.97 2.29** 5.67*** ---
  1. *p < 0.05; **p < 0.01; ***p < 0.001