Table 4.

Regression coefficients and p-values of GLMs.

Predictors	Normalized annual outage count		Normalized annual customers affected		Normalized outage duration in minutes
	Coefficients	p-values	Coefficients	p-values	Coefficients	p-values
Intercept	− 4.33	0.15	− 0.99	0.32	− 1.29	0.32
% White population	4.58	0.15	4.44	0.00**	5.32	0.00**
Median income	− 2.18 × 10−5	0.08*	− 7.63 × 10−6	0.27	− 1.04 × 10−5	0.29
No. of hospitals	− 0.61	0.37	− 0.21	0.13	− 0.52	0.00**
No. of fire stations	− 0.17	0.29	0.08	0.32	− 0.18	0.08*
No. of 911 centers	0.02	0.98	0.32	0.27	0.06	0.88

* Indicates significance at 10% level.

** Indicates significance at 5% level.