TABLE 11 Comparison of Updated and Observed Trip Rates for Rural Areas,,,,,,, ,Sample,HBW,,HBO,,NHB, ,,Mean,SE of mean,Mean,SE of mean,Mean,SE of mean Unweighted,KY add-on sample,1.06,0.050,4.46,0.140,2.73,0.137 ,KY standard sample,1.07,0.125,4.62,0.348,2.58,0.259 ,Updated data,1.06,0.047,4.48,0.130,2.70,0.121 ,Similar-SE-states sample,1.03,0.045,4.82,0.148,3.02,0.124 ,Surrounding-states sample,1.19,0.056,5.13,0.152,3.49,0.143 ,East South Central sample,0.99,0.067,4.88,0.234,2.93,0.193 ,National sample,1.15,0.023,4.90,0.066,3.18,0.058 Weighted,KY add-on sample,1.11,0.054,4.49,0.146,2.83,0.148 ,KY standard sample,1.22,0.144,4.90,0.375,2.77,0.301 ,Updated data,1.13,0.051,4.54,0.136,2.81,0.133 ,Similar-SE-states sample,1.14,0.052,5.16,0.169,3.24,0.139 ,Surrounding-states sample,1.25,0.060,5.29,0.164,3.66,0.160 ,East South Central sample,1.13,0.085,5.36,0.279,3.18,0.220 ,National sample,1.22,0.025,5.09,0.073,3.33,0.064 Key: HBW = home-based work; HBO = home-based other; NHB = nonhome-based; SE = standard error.,,,,,,, Sources: Calculations based on data from 2001 NHTS national sample and Kentucky add-on sample.,,,,,,,