IWA Publishing

Table 7

Correlations involving the age of building as well as spurious correlations

No.	Description of variables	Correlation coefficient	p-value
1	Number of kitchen taps in good condition,	0.81	4.34 × 10⁻³
1	Number of toilets with trickles	0.81	4.34 × 10⁻³
2	Average flow rate of cleaning purpose taps,	0.85	1.80 × 10⁻³
2	Number of leaking showers	0.85	1.80 × 10⁻³
3	Average flow rate of taps,	0.82	3.84 × 10⁻³
3	Number of leaking showers	0.82	3.84 × 10⁻³
4	Age of the building,	0.87	1.20 × 10⁻³
4	Number of toilets with flush tanks with other types of defects	0.87	1.20 × 10⁻³

No.	Description of variables	Correlation coefficient	p-value
1	Number of kitchen taps in good condition,	0.81	4.34 × 10⁻³
1	Number of toilets with trickles	0.81	4.34 × 10⁻³
2	Average flow rate of cleaning purpose taps,	0.85	1.80 × 10⁻³
2	Number of leaking showers	0.85	1.80 × 10⁻³
3	Average flow rate of taps,	0.82	3.84 × 10⁻³
3	Number of leaking showers	0.82	3.84 × 10⁻³
4	Age of the building,	0.87	1.20 × 10⁻³
4	Number of toilets with flush tanks with other types of defects	0.87	1.20 × 10⁻³