TABLE 5 Average Household Person Trip Rates by Purpose (Urban Cluster),,,,,, Sample,HBW,,HBO,,NHB, ,Unweighted,Weighted,Unweighted,Weighted,Unweighted,Weighted National sample,1.11,1.16,5.05*,5.11*,2.84*,2.88* East South Central sample,0.91,1.01,5.03*,5.15*,3.04*,3.20* Surrounding-states sample,1.28,1.35,5.15*,5.11*,2.89*,2.91* Similar-SE-states sample,1.10,1.20,4.96*,5.06*,3.10*,3.18* KY standard sample,1.05,1.00,3.56,3.33,1.56,1.40 KY add-on sample,1.14,1.24,5.06*,5.37*,2.61*,2.70* 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.,,,,,,