Summary statistics for linkpe1999psden dataset : by Jean Roth , jroth@nber.org , 22 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- matchs | 0 idnumber | 0 biryr | 65493 1999 0 1999 1999 resstatb | 65493 1.582291 .5167703 1 4 brstate | 65493 53.15206 1.018582 5 60 -------------+-------------------------------------------------------- stoccfipb | 65493 71.7925 1.774842 66 78 cntocfipb | 65493 72599.18 1789.125 66999 78999 stresfipb | 65493 71.53418 4.513457 0 78 cntyrfpb | 65493 72443.71 4567.265 0 78999 plres | 65493 99689.05 5558.728 0 99999 -------------+-------------------------------------------------------- mageflg | 81 1.925926 .2635231 1 2 dmage | 65493 25.08563 5.991456 10 49 mager8 | 65493 3.617165 1.23074 1 8 ormoth | 65493 8.229154 2.503064 0 9 orracem | 65493 8.851648 .634141 1 9 -------------+-------------------------------------------------------- mraceimp | 167 1.131737 .3392213 1 2 mrace | 65493 2.732933 8.956633 0 58 mrace3 | 65493 1.255523 .6233365 1 3 dmeduc | 65493 12.90993 6.632913 0 99 meduc6 | 65493 3.282122 1.233554 1 6 -------------+-------------------------------------------------------- dmarimp | 0 dmar | 65493 1.623089 .7064691 1 3 mplbir | 65493 49.86479 8.71095 1 99 mplbirr | 65493 1.884598 .3202245 1 3 dtotord | 65493 2.305727 3.222219 1 99 -------------+-------------------------------------------------------- dlivord | 65493 2.112775 3.075668 1 99 mpcb | 65493 3.098988 6.249277 0 99 mpre5 | 65493 1.313469 .6447654 1 5 nprevist | 65493 10.57861 6.005925 0 99 adequacy | 65493 1.45075 .6616184 1 4 -------------+-------------------------------------------------------- fagerflg | 454 1 0 1 1 dfage | 65493 31.57577 16.76675 14 99 orfath | 65493 8.41548 2.206778 0 9 orracef | 65493 8.886889 .5450184 1 9 frace | 65493 7.830501 23.56645 0 99 -------------+-------------------------------------------------------- pldel | 65493 1.006581 .1483929 1 9 birattnd | 65493 1.075046 .5128316 1 9 gestestm | 1566 1 0 1 1 clingest | 65493 38.57742 3.850158 18 99 gestimp | 3591 1 0 1 1 -------------+-------------------------------------------------------- gestat | 65493 38.29141 3.052903 17 99 gestat10 | 65493 6.140488 1.11302 1 10 cseximp | 2 1 0 1 1 csex | 65493 1.483365 .499727 1 2 bwif | 19 1 0 1 1 -------------+-------------------------------------------------------- dbirwt | 65493 3108.303 569.8401 255 9999 birwt12 | 65493 6.71374 1.144517 1 12 birwt4 | 65493 2.875926 .3687996 1 4 plurimp | 43 1 0 1 1 dplural | 65493 1.02046 .1474857 1 4 -------------+-------------------------------------------------------- fmaps | 65493 9.236254 5.035108 0 99 vaginal | 65493 1.370528 .5500009 1 9 vbac | 65493 1.997252 .2683305 1 9 primac | 65493 1.785076 .4878468 1 9 repeac | 65493 1.871605 .4256432 1 9 -------------+-------------------------------------------------------- forcep | 65493 2.005023 .2534001 1 9 vacuum | 65493 2.002993 .2574076 1 9 delmeth5 | 65493 1.874674 1.180661 1 5 mrflag | 52959 2 0 2 2 anemia | 65493 1.996381 .4707946 1 9 -------------+-------------------------------------------------------- cardiac | 65493 2.024781 .4389147 1 9 lung | 65493 2.023377 .4405888 1 9 diabetes | 65493 2.006795 .4595661 1 9 herpes | 65493 2.025667 .4378537 1 9 hydra | 65493 2.018765 .4460091 1 9 -------------+-------------------------------------------------------- hemo | 65493 2.026797 .4364936 1 9 chyper | 65493 2.018414 .4464172 1 9 phyper | 65493 1.993022 .4743112 1 9 eclamp | 65493 2.025285 .4383116 1 9 incervix | 65493 2.022537 .4415845 1 9 -------------+-------------------------------------------------------- pre4000 | 65493 2.026232 .4371745 1 9 preterm | 65493 2.025652 .437872 1 9 renal | 65493 2.025652 .437872 1 9 rh | 65493 2.025453 .4381102 1 9 uterine | 65493 2.024598 .4391337 1 9 -------------+-------------------------------------------------------- othermr | 65493 1.944635 .5199444 1 9 tobacco | 65493 1.987357 .2673621 1 9 cigar | 65493 .3654436 4.409087 0 99 cigar6 | 65493 .0477303 .379432 0 6 alcohol | 65493 2.005985 .2356766 1 9 -------------+-------------------------------------------------------- drink | 65493 .1697891 4.030191 0 99 drink5 | 65493 .0114363 .2265858 0 5 wtgain | 65493 25.41797 12.82987 0 99 wtgain9 | 65493 3.365993 1.984754 1 9 obflag | 7980 2 0 2 2 -------------+-------------------------------------------------------- amnio | 65493 1.99629 .3071378 1 9 monitor | 65493 1.21158 .5073987 1 9 induct | 65493 1.933123 .3912068 1 9 stimula | 65493 1.844579 .4710674 1 9 tocol | 65493 1.986563 .3223247 1 9 -------------+-------------------------------------------------------- ultras | 65493 1.637076 .567319 1 9 otherob | 65493 2.006443 .2900896 1 9 fbflag | 48773 2 0 2 2 febrile | 65493 2.03292 .493855 1 9 meconium | 65493 2.013177 .5143401 1 9 -------------+-------------------------------------------------------- rupture | 65493 2.015544 .5119678 1 9 abruptio | 65493 2.030767 .4961681 1 9 preplace | 65493 2.031622 .4952519 1 9 excebld | 65493 2.032935 .4938385 1 9 seizure | 65493 2.034141 .4925336 1 9 -------------+-------------------------------------------------------- precip | 65493 2.02927 .497764 1 9 prolong | 65493 2.032278 .4945461 1 9 dysfunc | 65493 2.025636 .5016 1 9 breech | 65493 2.010337 .5171581 1 9 cephalo | 65493 1.972409 .5520203 1 9 -------------+-------------------------------------------------------- cord | 65493 2.030675 .4962661 1 9 anesthe | 65493 2.03437 .4922851 1 9 distress | 65493 2.016093 .5114137 1 9 otherlb | 65493 1.935031 .5819324 1 9 nbflag | 63925 2 0 2 2 -------------+-------------------------------------------------------- nanemia | 65493 2.030583 .4689032 1 9 injury | 65493 2.03095 .4684882 1 9 alcosyn | 65493 2.031209 .4681939 1 9 hyaline | 65493 2.028476 .4712768 1 9 meconsyn | 65493 2.030889 .4685574 1 9 -------------+-------------------------------------------------------- venl30 | 65493 2.029835 .4697485 1 9 ven30m | 65493 2.028873 .4708312 1 9 nseiz | 65493 2.030339 .4691795 1 9 otherab | 65493 2.020017 .4805945 1 9 cgflag | 64551 2 0 2 2 -------------+-------------------------------------------------------- anen | 65493 2.029118 .4510734 1 9 spina | 65493 2.029087 .4511092 1 9 hydro | 65493 2.029118 .4510734 1 9 microce | 65493 2.029148 .4510375 1 9 nervous | 65493 2.029102 .4510913 1 9 -------------+-------------------------------------------------------- heart | 65493 2.029057 .451145 1 9 circul | 65493 2.029026 .4511808 1 9 rectal | 65493 2.029133 .4510555 1 9 tracheo | 65493 2.029148 .4510375 1 9 omphalo | 65493 2.029087 .4511092 1 9 -------------+-------------------------------------------------------- gastro | 65493 2.029057 .451145 1 9 genital | 65493 2.029148 .4510375 1 9 renalage | 65493 2.029148 .4510375 1 9 urogen | 65493 2.028858 .4513777 1 9 cleftlp | 65493 2.028965 .4512524 1 9 -------------+-------------------------------------------------------- adactyly | 65493 2.029148 .4510375 1 9 clubfoot | 65493 2.029011 .4511987 1 9 hernia | 65493 2.029163 .4510196 1 9 musculo | 65493 2.028812 .4514313 1 9 downs | 65493 2.029011 .4511987 1 9 -------------+-------------------------------------------------------- chromo | 65493 2.029011 .4511987 1 9 othercon | 65493 2.021056 .4603626 1 9 origm | 65493 .0868337 .2815934 0 1 origf | 65493 .0868337 .2815934 0 1 educm | 65493 .9962897 .0607998 0 1 -------------+-------------------------------------------------------- geste | 65493 .0868337 .2815934 0 1 fmapsrf | 65493 .9962897 .0607998 0 1 delmetrf | 65493 .9962897 .0607998 0 1 medrsk | 65493 .9962897 .0607998 0 1 tobuse | 65493 .9962897 .0607998 0 1 -------------+-------------------------------------------------------- alcuse | 65493 .9962897 .0607998 0 1 wtgn | 65493 .9962897 .0607998 0 1 obstrc | 65493 .9962897 .0607998 0 1 clabor | 65493 .9962897 .0607998 0 1 abnml | 65493 .9962897 .0607998 0 1 -------------+-------------------------------------------------------- congan | 65493 .9962897 .0607998 0 1 apiflag | 65493 .9962897 .0607998 0 1 cdobmimp | 1 1 . 1 1 birmon | 65493 6.776801 3.47631 1 12 weekdayb | 65493 4.043806 1.792925 1 7 by Jean Roth , jroth@nber.org , 22 Dec 2015