Summary statistics for natlterr1997 dataset : by Jean Roth , jroth@nber.org , 22 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- datayear | 72289 1997 0 1997 1997 rectype | 72289 1.557 .4967438 1 2 restatus | 72289 1.563627 .5150673 1 4 recwt | 72289 1 0 1 1 pldel | 72289 1.008729 .1710695 1 9 -------------+-------------------------------------------------------- pldel3 | 72289 1.002808 .0536966 1 3 birattnd | 72289 1.251491 1.262344 1 9 regnocc | 70655 0 0 0 0 divocc | 70655 0 0 0 0 stsubocc | 70655 0 0 0 0 -------------+-------------------------------------------------------- stnatexp | 72289 53.35221 1.40535 53 62 statenat | 72289 52.35221 1.40535 52 61 cntynat | 72289 51310.26 7819.188 61 54000 stoccfip | 70655 71.81428 1.802043 66 78 cntocfip | 70655 72183.45 1980.829 66010 78999 -------------+-------------------------------------------------------- cntocpop | 70655 4.684821 2.963943 2 9 regnres | 70655 0 0 0 0 divres | 70655 0 0 0 0 stsubres | 70655 0 0 0 0 stresexp | 72289 53.35127 1.626088 5 62 -------------+-------------------------------------------------------- stateres | 72289 52.35173 1.617019 5 61 cntyres | 0 cityres | 0 citrspop | 0 metrores | 0 -------------+-------------------------------------------------------- stresfip | 70655 71.59816 4.163542 0 78 cntyrfip | 0 placefip | 70655 99686.22 5583.971 0 99999 cmsa | 70655 50.25818 42.97212 0 87 smsarfip | 0 -------------+-------------------------------------------------------- cntrspop | 0 magerflg | 1637 1 0 1 1 mageimp | 0 dmage | 72289 25.06816 6.023112 10 48 mage36 | 72289 12.06924 6.020993 1 35 -------------+-------------------------------------------------------- mage12 | 72289 8.317365 1.816242 1 13 mage8 | 72289 3.617743 1.238315 1 8 ormoth | 72289 8.232636 2.495616 0 9 orracem | 72289 8.845703 .6569782 1 9 mraceimp | 0 -------------+-------------------------------------------------------- mrace | 72289 2.897343 9.107713 0 58 mrace3 | 72289 1.258172 .6108653 1 3 dmeduc | 72289 14.61195 14.13139 0 99 meduc6 | 72289 3.281122 1.295802 1 6 dmarimp | 0 -------------+-------------------------------------------------------- dmar | 72289 1.582896 .6938703 1 3 mplbir | 72289 49.94927 9.151193 1 99 mplbirr | 72289 1.881116 .3281956 1 3 dmagerpt | 72289 97.38083 10.66184 11 99 adequacy | 72289 1.520826 .74975 1 4 -------------+-------------------------------------------------------- nlbnl | 72289 1.182379 3.439441 0 99 nlbnd | 72289 .1208344 3.170425 0 99 noterm | 72289 .2961446 3.208882 0 99 dlivord | 72289 2.2075 3.514833 1 99 livord9 | 72289 2.097899 1.329604 1 9 -------------+-------------------------------------------------------- dtotord | 72289 2.408582 3.674577 1 99 totord9 | 72289 2.285631 1.486038 1 9 monpre | 72289 5.249056 15.54492 0 99 mpre6 | 72289 1.864129 1.152995 1 6 mpre5 | 72289 1.382036 .8270372 1 5 -------------+-------------------------------------------------------- nprevis | 72289 12.51752 14.70711 0 99 nprev12 | 72289 6.407503 2.04825 1 12 lmpmon | 72289 10.1581 18.35456 1 99 lmpday | 72289 22.70612 24.70734 1 99 lmpyr | 72289 2294.953 1516.933 1996 9999 -------------+-------------------------------------------------------- flgbwimp | 0 bwimp | 27 5834.185 3899.126 567 9999 fagerflg | 1433 1 0 1 1 dfage | 72289 31.88968 17.34447 11 99 fage11 | 72289 4.589716 2.0922 1 11 -------------+-------------------------------------------------------- orfath | 72289 8.437826 2.16704 0 9 orracef | 72289 8.888213 .5423576 1 9 frace | 72289 8.034224 23.82542 0 99 frace4 | 72289 1.446154 .9032479 1 4 dfagerpt | 72289 97.53292 9.96903 11 99 -------------+-------------------------------------------------------- fraceimp | 62 3 0 3 3 cdobmimp | 0 birmon | 72289 6.685056 3.477216 1 12 biryr | 72289 1997 0 1997 1997 weekday | 72289 4.037143 1.845357 1 7 -------------+-------------------------------------------------------- gestestm | 1358 1 0 1 1 gestimp | 3220 1 0 1 1 dgestat | 72289 39.8812 9.457393 19 99 gestat10 | 72289 6.337188 1.246309 1 10 gestat3 | 72289 1.898823 .3715253 1 3 -------------+-------------------------------------------------------- cseximp | 3 1 0 1 1 csex | 72289 1.486229 .4998138 1 2 dbirwt | 72289 3139.161 567.5647 284 9999 birwt12 | 72289 6.771667 1.146339 1 12 birwt4 | 72289 2.885418 .3578299 1 4 -------------+-------------------------------------------------------- plurimp | 50 1 0 1 1 dplural | 72289 1.017859 .136756 1 4 fmaps | 72289 11.29226 14.35696 0 99 fmapsr | 72289 3.940932 .3792236 1 5 clingest | 72289 40.24416 9.901246 17 99 -------------+-------------------------------------------------------- vaginal | 72289 1.514878 1.291296 1 9 vbac | 72289 2.165295 1.106817 1 9 primac | 72289 1.98618 1.196366 1 9 repeac | 72289 2.055873 1.165619 1 9 forcep | 72289 2.171824 1.102865 1 9 -------------+-------------------------------------------------------- vacuum | 72289 2.170759 1.103514 1 9 delmeth5 | 72289 1.859218 1.238874 1 5 anemia | 72289 2.207694 1.259645 1 9 cardiac | 72289 2.227061 1.248566 1 9 lung | 72289 2.22695 1.248631 1 9 -------------+-------------------------------------------------------- diabetes | 72289 2.211692 1.25739 1 9 herpes | 72289 2.228237 1.247881 1 9 hydra | 72289 2.223602 1.250574 1 9 hemo | 72289 2.229399 1.247202 1 9 chyper | 72289 2.222551 1.251181 1 9 -------------+-------------------------------------------------------- phyper | 72289 2.202825 1.262368 1 9 eclamp | 72289 2.22778 1.248147 1 9 incervix | 72289 2.226632 1.248816 1 9 pre4000 | 72289 2.228665 1.24763 1 9 preterm | 72289 2.228001 1.248018 1 9 -------------+-------------------------------------------------------- renal | 72289 2.228015 1.24801 1 9 rh | 72289 2.227503 1.248308 1 9 uterine | 72289 2.227697 1.248195 1 9 othermr | 72289 2.151683 1.289514 1 9 tobacco | 72289 2.152693 1.103466 1 9 -------------+-------------------------------------------------------- cigar | 72289 2.740943 15.6987 0 99 cigar6 | 72289 .1933213 .9872565 0 6 alcohol | 72289 2.173152 1.095357 1 9 drink | 72289 2.599981 15.81801 0 99 drink5 | 72289 .1339485 .8041708 0 5 -------------+-------------------------------------------------------- wtgain | 72289 27.96827 18.81448 0 99 wtgain9 | 72289 3.542171 2.227097 1 9 amnio | 72289 2.200017 1.22944 1 9 monitor | 72289 1.466088 1.414356 1 9 induct | 72289 2.156013 1.253473 1 9 -------------+-------------------------------------------------------- stimula | 72289 2.067493 1.295955 1 9 tocol | 72289 2.197776 1.230713 1 9 ultras | 72289 1.878944 1.363067 1 9 otherob | 72289 2.212882 1.222025 1 9 febrile | 72289 2.234559 1.266081 1 9 -------------+-------------------------------------------------------- meconium | 72289 2.210004 1.280012 1 9 rupture | 72289 2.217543 1.275801 1 9 abruptio | 72289 2.232318 1.267378 1 9 preplace | 72289 2.233493 1.266698 1 9 excebld | 72289 2.234877 1.265896 1 9 -------------+-------------------------------------------------------- seizure | 72289 2.236094 1.265189 1 9 precip | 72289 2.231031 1.268121 1 9 prolong | 72289 2.233867 1.266482 1 9 dysfunc | 72289 2.229606 1.268941 1 9 breech | 72289 2.215344 1.277036 1 9 -------------+-------------------------------------------------------- cephalo | 72289 2.182476 1.294899 1 9 cord | 72289 2.232733 1.267139 1 9 anesthe | 72289 2.236053 1.265213 1 9 distress | 72289 2.219273 1.274827 1 9 otherlb | 72289 2.144171 1.314375 1 9 -------------+-------------------------------------------------------- nanemia | 72289 2.24503 1.289122 1 9 injury | 72289 2.245307 1.288962 1 9 alcosyn | 72289 2.244989 1.289146 1 9 hyaline | 72289 2.244048 1.289689 1 9 meconsyn | 72289 2.245224 1.28901 1 9 -------------+-------------------------------------------------------- venl30 | 72289 2.244366 1.289506 1 9 ven30m | 72289 2.244256 1.289569 1 9 nseiz | 72289 2.2451 1.289082 1 9 otherab | 72289 2.23763 1.293371 1 9 anen | 72289 2.247783 1.29353 1 9 -------------+-------------------------------------------------------- spina | 72289 2.247617 1.293626 1 9 hydro | 72289 2.247645 1.29361 1 9 microce | 72289 2.247742 1.293554 1 9 nervous | 72289 2.247686 1.293586 1 9 heart | 72289 2.247631 1.293618 1 9 -------------+-------------------------------------------------------- circul | 72289 2.247631 1.293618 1 9 rectal | 72289 2.247783 1.29353 1 9 tracheo | 72289 2.247769 1.293538 1 9 omphalo | 72289 2.247742 1.293554 1 9 gastro | 72289 2.247686 1.293586 1 9 -------------+-------------------------------------------------------- genital | 72289 2.247673 1.293594 1 9 renalage | 72289 2.247742 1.293554 1 9 urogen | 72289 2.247465 1.293714 1 9 cleftlp | 72289 2.247603 1.293634 1 9 adactyly | 72289 2.247631 1.293618 1 9 -------------+-------------------------------------------------------- clubfoot | 72289 2.247465 1.293714 1 9 hernia | 72289 2.247742 1.293554 1 9 musculo | 72289 2.247576 1.29365 1 9 downs | 72289 2.247603 1.293634 1 9 chromo | 72289 2.247686 1.293586 1 9 -------------+-------------------------------------------------------- othercon | 72289 2.240313 1.29782 1 9 origm | 72289 .087496 .2825625 0 1 origf | 72289 .087496 .2825625 0 1 educm | 72289 .9743391 .1581226 0 1 educf | 72289 0 0 0 0 -------------+-------------------------------------------------------- geste | 72289 .087496 .2825625 0 1 fmapsrf | 72289 .9743391 .1581226 0 1 delmetrf | 72289 .9743391 .1581226 0 1 medrsk | 72289 .9743391 .1581226 0 1 tobuse | 72289 .9743391 .1581226 0 1 -------------+-------------------------------------------------------- alcuse | 72289 .9743391 .1581226 0 1 wtgn | 72289 .9743391 .1581226 0 1 obstrc | 72289 .9743391 .1581226 0 1 clabor | 72289 .9743391 .1581226 0 1 abnml | 72289 .9743391 .1581226 0 1 -------------+-------------------------------------------------------- congan | 72289 .9743391 .1581226 0 1 educsmsa | 72289 0 0 0 0 apiflag | 72289 .9743391 .1581226 0 1 smsares | 0 popsmas | 0 by Jean Roth , jroth@nber.org , 22 Dec 2015