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Table 4 Knowledge of key messages among students by grade and study phase

From: The potential of school-based WASH programming to support children as agents of change in rural Zambian households

  Grade 1 Grade 4
Baseline Endline p-value Baseline Endline p-value
% who were able to accurately state what germs are 24% 37% p = 0.008 51% 56% p = 0.27
% identifying “safe” sources of drinking water 79% 74% P = 0.14 72% 75% p = 0.49
% identifying “unsafe” sources of drinking water 46% 64% p < 0.001 84% 91% p = 0.03
% correctly identifying potential contamination in river 22% 54% p < 0.001 74% 86% p = 0.005
Number of observations 254 152   226 158  
  1. Significance levels for endline vs. baseline within a grade, calculated from generalized linear mixed effects models, allowing for random intercepts at the individual respondent and school levels