TABLE 3 Average Household Person Trip Rates by Purpose (All Area Types),,,,,, Sample,HBW,,HBO,,NHB, ,Unweighted,Weighted,Unweighted,Weighted,Unweighted,Weighted National sample,1.13,1.20,5.05*,5.19,3.00*,3.12* East South Central sample,1.04,1.13,5.08,5.33*,3.13*,3.32* Surrounding-states sample,1.20,1.25,5.14*,5.18,3.18*,3.25* Similar-SE-states sample,1.09,1.17,5.03,5.19,3.17*,3.30* KY standard sample,1.12,1.19,4.57,4.69,2.55,2.65 KY add-on sample,1.08,1.15,4.63,4.74,2.70,2.79 Key: HBW = home-based work; HBO = home-based other; NHB = nonhome-based; * indicates the value is significantly different from the Kentucky standard sample value at the 0.05 level of significance.,,,,,, Sources: Calculations based on data from 2001 NHTS national sample and Kentucky add-on sample.,,,,,,