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. Author manuscript; available in PMC: 2022 Jul 6.
Published in final edited form as: Transp Res Part C Emerg Technol. 2021 Sep 22;132:103408. doi: 10.1016/j.trc.2021.103408

Table 5.

Coefficients and Statistics of Hazard Models.

Variable Level 1 Level 2&3
coef z Pr(>|z|) Sig coef z Pr(>|z|) Sig
Time Month 0.001 4.712 2.45E-06 *** 0.002 6.142 8.14E-10 ***
Activity Start Time 0.024 82.665 <2.00E-16 *** 0.023 79.211 <2.00E-16 ***
Household Size 1 −0.545 −11.762 <2.00E-16 *** −0.329 −7.423 1.15E-13 ***
2 −0.472 −10.207 <2.00E-16 *** −0.260 −5.856 4.73E-09 ***
3 −0.456 −9.847 <2.00E-16 *** −0.240 −5.403 6.54E-08 ***
4 −0.467 −10.1 <2.00E-16 *** −0.236 −5.318 1.05E-07 ***
5 −0.407 −8.764 <2.00E-16 *** −0.210 −4.708 2.50E-06 ***
6 −0.330 −7.274 3.48E-13 *** −0.161 −3.705 0.000211 ***
7 or more −0.506 −10.507 <2.00E-16 *** −0.199 −4.339 1.43E-05 ***
Gender Female 0.366 9.17 <2.00E-16 *** 0.251 6.819 9.14E-12 ***
Male 0.404 10.121 <2.00E-16 *** 0.281 7.635 2.26E-14 ***
Age 18–64 0.437 9.522 <2.00E-16 *** 0.269 6.125 9.04E-10 ***
Age ≥ 65 0.538 11.667 <2.00E-16 *** 0.319 7.223 5.08E-13 ***
Race American Indian or Alaska Native, White −0.031 −0.892 0.000781 *** 0.079 3.661 0.000251 ***
Asian 0.066 4.3 1.71E-05 *** 0.024 1.73 0.083645 .
Asian, Native Hawaiian or other Pacific Islander, White, other race 0.148 3.432 0.000599 *** 0.244 5.997 2.00E-09 ***
Asian, White 0.096 3.234 0.001219 ** 0.127 4.744 2.10E-06 ***
Black or African American 0.054 3.281 0.001033 ** 0.062 3.995 6.46E-05 ***
Black or African American, White 0.183 7.089 1.35E-12 *** 0.073 2.827 0.004692 **
Other race 0.069 3.784 0.000154 *** 0.077 4.65 3.32E-06 ***
White 0.192 15.663 <2.00E-16 *** 0.158 13.973 <2.00E-16 ***
White, Other race 0.274 10.85 <2.00E-16 *** 0.219 8.629 <2.00E-16 ***
Activity Type Other 1.327 140.829 <2.00E-16 *** 1.099 101.407 <2.00E-16 ***
Personal 1.450 245.023 <2.00E-16 *** 1.198 178.59 <2.00E-16 ***
Recreation 1.416 347.812 <2.00E-16 *** 1.182 276.083 <2.00E-16 ***
School 1.390 174.041 <2.00E-16 *** 1.086 115.894 <2.00E-16 ***
Shopping 1.926 392.471 <2.00E-16 *** 1.836 334.923 <2.00E-16 ***
Trans 1.588 65.295 <2.00E-16 *** 1.393 48.462 <2.00E-16 ***
Unknown 0.843 206.129 <2.00E-16 ***
Work 0.931 179.016 <2.00E-16 *** 0.826 157.117 <2.00E-16 ***
If conducted following activities previously Home 0.143 40.873 <2.00E-16 *** 0.258 75.451 <2.00E-16 ***
Work 0.065 17.027 <2.00E-16 *** 0.108 28.609 <2.00E-16 ***
School 0.052 9.122 <2.00E-16 *** 0.069 10.088 2.92E-10 ***
Personal 0.039 9.691 <2.00E-16 *** 0.032 6.928 4.25E-12 ***
Recreation 0.084 30.969 <2.00E-16 *** 0.076 25.695 <2.00E-16 ***
Shopping 0.013 4.054 <2.00E-16 *** 0.007 1.753 0.079558 .
Trans 0.084 4.239 5.04E-05 *** 0.115 4.691 2.72E-06 ***
Other 0.065 9.224 2.24E-05 *** 0.048 5.625 1.85E-08 ***
Unknown 0.047 17.321 <2.00E-16 ***

Significant codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘’ 1