Table 1.

Multivariate linear regression results predicting number of rooms per household, surface area of households and smooth wall surface within households

Predictor	Coefficient	Standard error	P-value
Predicting number of rooms per householda
Intercept	−2.186	0.281	<0.001
Log-transformed area of roof	0.834	0.063	<0.001
Thatched roof (non-thatched is reference)	−0.005	0.071	0.948
Predicting surface area of householdsb
Intercept	−0.719	0.918	0.436
Log-transformed area of roof	1.421	0.277	<0.001
Predicted number of rooms	−0.089	0.068	0.191
Thatched roof (non-thatched is reference)	−0.371	0.109	0.001
Predicting smooth wall surface within householdsc
Intercept	−2.040	0.843	0.016
Area of roof	0.021	0.009	0.015
Thatched roof (non-thatched is reference)	−2.300	1.107	0.038

^aN = 75, R² = 0.758; ^bN = 75, R² = 0.751; ^cN = 72.