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Table 6 Multivariate model selected by stepwise logistic regression results for infection with either S. mansoni or malaria

From: Integrated prevalence mapping of schistosomiasis, soil-transmitted helminthiasis and malaria in lakeside and island communities in Lake Victoria, Uganda

Response variable Explanatory variable
(baseline; category)
Odds ratio
(95% CIs)
p-value
S. mansoni Sex
(male; female)
0.81
(0.66-0.99)
0.039
  Age
(continuous; +1 year)
1.03
(1.00-1.06)
0.032
  Hookworm infection
(uninfected; infected)
1.50
(1.12-2.02)
0.007
  Trichuris infection
(infected; uninfected)
1.39
(1.05-1.85)
0.022
  Household latrine present?
(no; yes)
0.50
(0.39-0.64)
< 0.001
  Enrolled in school?
(no; yes)
2.93
(2.11-4.06)
< 0.001
  Education level of household head
(plus one category*)
1.10
(1.04-1.17)
0.003
  Source of household water
(clean; river or lake)
1.28
(0.99-1.66)
0.062
Malaria Sex
(male; female)
0.95
(0.71-1.15)
0.61
  Age
(continuous; +1)
0.97
(0.95-0.99)
0.005
  Hookworm infection
(uninfected; infected)
1.59
(1.22-2.07)
< 0.001
  Are you feverish today?
(no; yes)
1.55
(1.17-2.04)
0.002
  1. Includes variables selected for inclusion in the model according to AIC stepwise regression (N = 1784 and 1802 children for schistosomiasis and malaria respectively), and controlling for random effects at the village level. *For details, please see the questionnaire, which is available as Additional File 1.