Table 2. Yard size, paving and watering frequency were not related to the type of pet owned.

Variable	Exact p
	Pet type owned
Yard size	0.33
Frequency of watering	0.79
Paved or all-lawn yard	0.28

Results of the χ2 tests of independence for control variables vs. type of pet owned. Values are the exact probability (significance evaluated at α = 0.05) that each contingency table would occur if that particular combination of variables were independent.