Table 2 Coefficients and Fit of Models for Forecasting the Natural Logarithm of the Number of Child and Pedestrian KSI Casualties,,,,, ,Child casualties,,Pedestrian casualties,, Parameter,Coefficient,Standard error,Coefficient,Standard error, Autoregressive term,0.618,0.180,0.877,0.086, Trend,–0.044,0.003,–0.037,0.006, Constant,9.966,0.074,10.340,0.138, Standard error,0.047,,0.044,, Adjusted R2,0.948,,0.950,,