Mathematical Problems in Engineering / 2019 / Article / Tab 5

Research Article

Macrolevel Traffic Crash Analysis: A Spatial Econometric Model Approach

Table 5

Direct, indirect, and total effects of SDM model.

VariablesDirect EffectIndirect EffectTotal Effect
CoefficientT StatisticCoefficientT StatisticCoefficientT Statistic

Ln_Population_Density0.1541.9510.1024.3870.2562.544

Ln_Company_ Density-0.620-16.946-0.199-2.485-0.819-8.503

Ln_Consumption _ Density0.0892.2970.0230.2520.1121.102

Ln_Hotel_ Density-0.091-5.641-0.052-1.736-0.143-4.285

Ln_Residential_density-0.084-2.509-0.004-0.072-0.088-1.402

Ln_Intersection _ Density0.0702.248-0.079-1.145-0.009-0.121

Ln_Road_ Density0.2146.6670.1872.4080.4014.631

Note: , , and indicate significance at the 1%, 5%, and 10% levels, respectively.

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