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Table 3 Multivariable analysis of the effect of water treatment intervention on the incidence of diarrhea among children under the age of five years in rural Dire Dawa, eastern Ethiopia, from October 2018 through January 2019

From: Effect of household water treatment with chlorine on diarrhea among children under the age of five years in rural areas of Dire Dawa, eastern Ethiopia: a cluster randomized controlled trial

FactorCrude IRR (95% CI)Adjusted IRR (95% CI)P-value
Intervention0.64 (0.57–0.73)0.64 (0.57–0.73)<  0.001
Control11 
Child age1.00 (0.99–1.00)1.00 (0.99–1.00)0.964
Child gender
 Female1.00 (0.94–1.07)1.00 (0.94–1.07)0.961
 Male11 
Breastfeeding status
 Breastfed0.99 (0.90–1.10)0.99 (0.89–1.10)0.846
 Not breastfed11 
Family size0.99 (0.97–1.03)0.99 (0.97–1.03)0.910
Presence of refuse disposal facility
 Yes0.99 (0.91–1.08)0.98 (0.87–1.11)0.808
 No11 
Presence of latrine
 Yes1.00 (0.94–1.07)1.01 (0.94–1.08)0.806
 No11 
Availability of handwashing facility
 Yes1.01 (0.85–1.20)1.03 (0.84–1.25)0.793
 No11 
Availability of soap in the home
 Yes0.99 (0.90–1.08)0.99 (0.88–1.11)0.840
 No11 
  1. IRR incidence rate ratio