Summary statistics for person dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 1,078 43 0 43 43 veh_no | 1,078 1.152134 .8836964 0 8 per_no | 1,078 1.422078 .9669346 1 9 n_mot_no | 1,078 .1651206 .3714617 0 1 age | 1,078 41.34045 23.9531 0 99 -------------+--------------------------------------------------------- sex | 1,078 1.493506 1.43877 1 9 per_typ | 1,078 1.914657 1.508918 1 8 seat_pos | 1,078 11.01484 7.608562 0 53 rest_use | 1,078 4.761596 17.34723 0 99 air_bag | 1,078 26.87477 17.17635 0 99 -------------+--------------------------------------------------------- ejection | 1,078 .3339518 1.601351 0 9 ej_path | 1,078 .3330241 1.600674 0 9 extricat | 1,078 .2922078 1.595884 0 9 location | 1,078 2.069573 4.826784 0 18 drinking | 1,078 5.96475 3.435121 0 8 -------------+--------------------------------------------------------- alc_det | 1,078 7.09833 3.212611 1 9 atst_typ | 1,078 .8116883 .7215818 0 2 alc_res | 1,078 38.80148 45.11053 0 97 drugs | 1,078 8 0 8 8 drug_det | 1,078 8 0 8 8 -------------+--------------------------------------------------------- drugtst1 | 1,078 .3766234 .4847641 0 1 drugres1 | 1,078 35.59926 136.5069 0 997 drugtst2 | 1,078 .0343228 .1821415 0 1 drugres2 | 1,078 20.22356 113.817 0 695 drugtst3 | 1,078 .0046382 .0679779 0 1 -------------+--------------------------------------------------------- drugres3 | 1,078 1.726345 31.06264 0 695 inj_sev | 1,078 2.620594 1.572696 0 4 hospital | 1,078 .5139147 .5000383 0 1 death_mo | 1,078 3.143785 4.118792 0 12 death_da | 1,078 7.358071 9.830777 0 31 -------------+--------------------------------------------------------- death_hr | 1,078 5.478664 7.643338 0 24 death_mn | 1,078 11.35065 17.05138 0 58 lag_hrs | 1,078 542.654 487.0734 0 999 lag_mins | 1,078 57.38126 45.5738 0 99 race | 1,078 .4768089 .5088996 0 2 -------------+--------------------------------------------------------- hispanic | 1,078 .9443414 .9989133 0 2 p_cf1 | 1,078 .1437848 1.234265 0 36 p_cf2 | 1,078 .2384045 2.37437 0 51 p_cf3 | 1,078 .0408163 1.197414 0 39 work_inj | 1,078 4.225417 3.993056 0 8 -------------+--------------------------------------------------------- doa | 1,078 1.903525 3.117323 0 8 st_case | 1,078 430248.6 143.554 430001 430487 death_yr | 1,078 947.1781 1001.914 0 2007 death_tm | 1,078 559.2171 773.8587 0 2400 cert_no | 0 -------------+--------------------------------------------------------- make | 900 45.49111 25.45455 2 99 body_typ | 900 25.21556 32.04068 2 99 rollover | 894 .1465324 .4983784 0 2 tow_veh | 900 .33 1.692419 0 9 spec_use | 900 .11 .9894381 0 9 -------------+--------------------------------------------------------- emer_use | 900 0 0 0 0 impact1 | 900 8.788889 4.251269 0 12 impact2 | 900 9.016667 4.281885 0 13 impacts | 900 1.257778 .5930592 0 3 fire_exp | 900 .0033333 .0576708 0 1 -------------+--------------------------------------------------------- mak_mod | 900 45812.27 25582.93 2404 99999 mod_year | 900 2378.852 1707.863 1969 9999 vina_mod | 0 ser_tr | 0 vin_bt | 0 -------------+--------------------------------------------------------- whlbs_sh | 834 3023.661 3714.916 799 9999 whlbs_lg | 834 2321.695 4109.141 0 9999 mcycl_ds | 218 7352.771 4117.408 49 9999 vin_wgt | 698 5061.278 3337.327 1760 9999 wgtcd_tr | 291 5.958763 3.666016 1 9 -------------+--------------------------------------------------------- county | 1,078 72 0 72 72 month | 1,078 6.820965 3.619616 1 12 day | 1,078 15.73191 8.620845 1 31 hour | 1,078 12.69388 7.226215 0 24 minute | 1,078 25.30705 17.52879 0 58 -------------+--------------------------------------------------------- road_fnc | 1,078 8.184601 5.281515 1 16 harm_ev | 1,078 15.16327 10.62404 1 49 man_coll | 1,078 1.651206 2.349036 0 8 sch_bus | 1,078 0 0 0 0 ve_forms | 1,078 1.608534 1.014657 1 8 by Jean Roth , jroth@nber.org , 18 Apr 2016