Table 2

Table 2. Estimated maximum likelihood parameters, standard errors, Wald statistics, and probability of a greater c2 for the probability of development model

Variable	Parameter Estimate	Standard Error	Wald c²	Pr > c²
INTERCEPT	-0.4757	0.1287	13.6699	0.0002
POPDEN	0.00549	0.000257	455.8191	0.0001
ROADS	-0.5364	0.0602	79.3417	0.0001
ACCESS	-0.690	0.00929	55.1429	0.0001
INTERCHANGE	-0.1638	0.0155	111.9281	0.0001
AREA	-0.0001	0.000006	2.7955	0.0945

Notes:

n = 12,751
POPDEN = population density (person/square km)
ROADS = distance (km) to the nearest non-limited access primary or secondary road (all U.S. and state routes)
ACCESS = distance (km) to nearest access point to New Orleans (major metropolitan destination)
INTERCHANGE = distance (km) to nearest interstate interchange
AREA = contiguous area of pine/mixed forest in 1981