Skip to main content
. 2011 Mar;21(1):19–26. doi: 10.4314/ejhs.v21i1.69040

Table 3.

Mean differences of Microbiological and physicochemical parameters at the tap water (n=35) and household water containers (n=35).

Factors TC TTC RFC Temperature Turbidity pH

Tap and
household
Household Tap Household Tap Household Tap Household Tap Household Tap Household Tap
Mean difference 20.84 5.61 14.68 3.68 0.14 0.27 20.59 20.61 0.34 0.00 7.76 7.57
Std. Error 1.61 1.61 1.23 1.23 0.02 0.19 0.15 0.15 0.08 0.08 0.03 0.03
Sig. 20.84a 5.61b 14.68a 3.68b 0.14a 0.27b 20.59a 20.61a 0.34a 0.00b 7.76a 7.57b

Key: TC = Total coliforms, TC = Thermotolerant coliforms; RFC= Residual Free chlorine Means followed with the same letter(s) are not significantly different from each other at P= 0.05