Skip to Main Content
Table 2

Comparison of odour perception on VIP latrines meeting and not meeting the recommended effective height for vent pipes

User groupNComposite odour perception
Z-scorea (p-value)
Mean (SD)Mean rank
Heffb < 500 mm 107 2.037 (0.6131) 107.88 0.674 (0.500) 
Heff ≥ 500 mm 103 1.981 (0.6101) 103.02 
Total 210 2.010 (0.6108)  
User groupNComposite odour perception
Z-scorea (p-value)
Mean (SD)Mean rank
Heffb < 500 mm 107 2.037 (0.6131) 107.88 0.674 (0.500) 
Heff ≥ 500 mm 103 1.981 (0.6101) 103.02 
Total 210 2.010 (0.6108)  

aBased on the Wilcoxon signed-rank test.

bHeff = effective height.

Close Modal

or Create an Account

Close Modal
Close Modal