Summary statistics for natlterr1999 dataset : by Jean Roth , jroth@nber.org , 22 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- datayear | 68613 1999 0 1999 1999 rectype | 68613 1.548278 .4976674 1 2 restatus | 68613 1.555944 .5194928 1 4 recwt | 68613 1 0 1 1 pldel | 68613 1.007433 .1598971 1 9 -------------+-------------------------------------------------------- pldel3 | 68613 1.002419 .0503006 1 3 birattnd | 68613 1.121653 .5996506 1 9 regnocc | 68613 0 0 0 0 divocc | 68613 0 0 0 0 stsubocc | 68613 0 0 0 0 -------------+-------------------------------------------------------- stnatexp | 68613 53.57292 1.999877 53 63 statenat | 68613 52.57292 1.999877 52 62 cntynat | 68613 52898.56 1967.99 52011 62000 stoccfip | 68613 71.4378 2.560633 60 78 cntocfip | 68613 71788.4 2726.863 60000 78999 -------------+-------------------------------------------------------- cntocpop | 68613 4.454302 3.051607 0 9 regnres | 68613 0 0 0 0 divres | 68613 0 0 0 0 stsubres | 68613 0 0 0 0 stresexp | 68613 53.57397 2.179853 5 63 -------------+-------------------------------------------------------- stateres | 68613 52.57442 2.172511 5 62 cntyres | 0 cityres | 0 citrspop | 0 metrores | 0 -------------+-------------------------------------------------------- stresfip | 68613 71.1897 4.786966 0 78 cntyrfip | 0 placefip | 68613 99641.93 5964.883 0 99999 cmsa | 68613 48.45735 43.21677 0 87 smsarfip | 0 -------------+-------------------------------------------------------- cntrspop | 0 magerflg | 1742 1 0 1 1 mageimp | 0 dmage | 68613 25.19434 6.016072 10 49 mage36 | 68613 12.19531 6.014132 1 36 -------------+-------------------------------------------------------- mage12 | 68613 8.365295 1.772985 1 13 mage8 | 68613 3.6388 1.235063 1 8 ormoth | 68613 8.264206 2.450758 0 9 orracem | 68613 8.858394 .6203256 1 9 mraceimp | 0 -------------+-------------------------------------------------------- mrace | 68613 5.334339 15.98831 0 78 mrace3 | 68613 1.288852 .6282641 1 3 dmeduc | 68613 15.34078 15.70004 0 99 meduc6 | 68613 3.356317 1.293901 1 6 dmarimp | 0 -------------+-------------------------------------------------------- dmar | 68613 1.61328 .699572 1 3 mplbir | 68613 50.6465 9.91072 1 99 mplbirr | 68613 1.898532 .3319318 1 3 dmagerpt | 68613 97.18298 11.29158 13 99 adequacy | 68613 1.538018 .7876473 1 4 -------------+-------------------------------------------------------- nlbnl | 68613 1.402256 6.047433 0 99 nlbnd | 68613 .3763573 5.942887 0 99 noterm | 68613 .5413114 5.943167 0 99 dlivord | 68613 2.424205 6.049427 1 99 livord9 | 68613 2.082594 1.32644 1 9 -------------+-------------------------------------------------------- dtotord | 68613 2.612974 6.113686 1 99 totord9 | 68613 2.262181 1.477659 1 9 monpre | 68613 5.85341 17.06854 0 99 mpre6 | 68613 1.91812 1.215715 1 6 mpre5 | 68613 1.429729 .8879086 1 5 -------------+-------------------------------------------------------- nprevis | 68613 12.99869 15.74695 0 99 nprev12 | 68613 6.478437 2.100085 1 12 lmpmon | 68613 12.39561 22.94007 1 99 lmpday | 68613 25.34227 28.17594 1 99 lmpyr | 68613 2504.942 1948.578 1998 9999 -------------+-------------------------------------------------------- flgbwimp | 0 bwimp | 113 8755.619 2702.051 1673 9999 fagerflg | 1576 1 0 1 1 dfage | 68613 32.27712 17.79421 11 99 fage11 | 68613 4.636133 2.124388 1 11 -------------+-------------------------------------------------------- orfath | 68613 8.441709 2.159905 0 9 orracef | 68613 8.891682 .535116 1 9 frace | 68613 10.50437 26.94486 0 99 frace4 | 68613 1.489018 .926974 1 4 dfagerpt | 68613 97.44642 10.20061 16 99 -------------+-------------------------------------------------------- fraceimp | 30 3 0 3 3 cdobmimp | 1 1 . 1 1 birmon | 68613 6.758297 3.477065 1 12 biryr | 68613 1999 0 1999 1999 weekday | 68613 4.040109 1.8004 1 7 -------------+-------------------------------------------------------- gestestm | 2639 1 0 1 1 gestimp | 3615 1 0 1 1 dgestat | 68613 39.99209 10.42254 17 99 gestat10 | 68613 6.253829 1.267732 1 10 gestat3 | 68613 1.886538 .397767 1 3 -------------+-------------------------------------------------------- cseximp | 2 1 0 1 1 csex | 68613 1.482955 .499713 1 2 dbirwt | 68613 3129.331 620.6299 255 9999 birwt12 | 68613 6.745996 1.16767 1 12 birwt4 | 68613 2.87995 .3670569 1 4 -------------+-------------------------------------------------------- plurimp | 302 1 0 1 1 dplural | 68613 1.020448 .1474788 1 4 fmaps | 68613 11.69015 15.4588 0 99 fmapsr | 68613 3.955096 .3655151 1 5 clingest | 68613 40.24727 10.58065 18 99 -------------+-------------------------------------------------------- vaginal | 68613 1.574658 1.35589 1 9 vbac | 68613 2.188098 1.170694 1 9 primac | 68613 1.983808 1.268833 1 9 repeac | 68613 2.067742 1.233562 1 9 forcep | 68613 2.19559 1.166258 1 9 -------------+-------------------------------------------------------- vacuum | 68613 2.193783 1.167334 1 9 delmeth5 | 68613 1.950403 1.268323 1 5 anemia | 68613 2.213254 1.297606 1 9 cardiac | 68613 2.240435 1.28229 1 9 lung | 68613 2.239095 1.283064 1 9 -------------+-------------------------------------------------------- diabetes | 68613 2.223121 1.292134 1 9 herpes | 68613 2.241295 1.281793 1 9 hydra | 68613 2.234708 1.285581 1 9 hemo | 68613 2.242374 1.281169 1 9 chyper | 68613 2.234372 1.285772 1 9 -------------+-------------------------------------------------------- phyper | 68613 2.210048 1.299364 1 9 eclamp | 68613 2.240916 1.282012 1 9 incervix | 68613 2.238293 1.283525 1 9 pre4000 | 68613 2.241835 1.281481 1 9 preterm | 68613 2.241237 1.281827 1 9 -------------+-------------------------------------------------------- renal | 68613 2.241252 1.281819 1 9 rh | 68613 2.241091 1.281911 1 9 uterine | 68613 2.240275 1.282383 1 9 othermr | 68613 2.163642 1.323667 1 9 tobacco | 68613 2.186889 1.197247 1 9 -------------+-------------------------------------------------------- cigar | 68613 3.256132 17.19873 0 99 cigar6 | 68613 .2219113 1.071288 0 6 alcohol | 68613 2.205632 1.187672 1 9 drink | 68613 2.993004 16.93631 0 99 drink5 | 68613 .1539067 .8604347 0 5 -------------+-------------------------------------------------------- wtgain | 68613 28.73308 19.75879 0 99 wtgain9 | 68613 3.619883 2.264788 1 9 amnio | 68613 2.219667 1.267294 1 9 monitor | 68613 1.470567 1.457084 1 9 induct | 68613 2.159474 1.299634 1 9 -------------+-------------------------------------------------------- stimula | 68613 2.075015 1.339147 1 9 tocol | 68613 2.210339 1.272546 1 9 ultras | 68613 1.876904 1.407801 1 9 otherob | 68613 2.229577 1.261614 1 9 febrile | 68613 2.248087 1.29969 1 9 -------------+-------------------------------------------------------- meconium | 68613 2.228922 1.310535 1 9 rupture | 68613 2.231443 1.30913 1 9 abruptio | 68613 2.246061 1.300854 1 9 preplace | 68613 2.246863 1.300394 1 9 excebld | 68613 2.248131 1.299665 1 9 -------------+-------------------------------------------------------- seizure | 68613 2.249282 1.299002 1 9 precip | 68613 2.244618 1.301681 1 9 prolong | 68613 2.247446 1.300059 1 9 dysfunc | 68613 2.24115 1.303659 1 9 breech | 68613 2.226167 1.312064 1 9 -------------+-------------------------------------------------------- cephalo | 68613 2.190299 1.331284 1 9 cord | 68613 2.245974 1.300905 1 9 anesthe | 68613 2.249457 1.298901 1 9 distress | 68613 2.231676 1.309 1 9 otherlb | 68613 2.154271 1.349356 1 9 -------------+-------------------------------------------------------- nanemia | 68613 2.255112 1.314384 1 9 injury | 68613 2.25552 1.31415 1 9 alcosyn | 68613 2.255768 1.314007 1 9 hyaline | 68613 2.25313 1.315521 1 9 meconsyn | 68613 2.255447 1.314192 1 9 -------------+-------------------------------------------------------- venl30 | 68613 2.254442 1.314769 1 9 ven30m | 68613 2.253509 1.315304 1 9 nseiz | 68613 2.254937 1.314485 1 9 otherab | 68613 2.245041 1.320119 1 9 anen | 68613 2.254383 1.310139 1 9 -------------+-------------------------------------------------------- spina | 68613 2.254354 1.310156 1 9 hydro | 68613 2.254383 1.310139 1 9 microce | 68613 2.254412 1.310122 1 9 nervous | 68613 2.254369 1.310147 1 9 heart | 68613 2.254296 1.310189 1 9 -------------+-------------------------------------------------------- circul | 68613 2.254281 1.310197 1 9 rectal | 68613 2.254398 1.31013 1 9 tracheo | 68613 2.254412 1.310122 1 9 omphalo | 68613 2.25434 1.310164 1 9 gastro | 68613 2.254325 1.310172 1 9 -------------+-------------------------------------------------------- genital | 68613 2.254412 1.310122 1 9 renalage | 68613 2.254412 1.310122 1 9 urogen | 68613 2.254092 1.310307 1 9 cleftlp | 68613 2.254194 1.310248 1 9 adactyly | 68613 2.254412 1.310122 1 9 -------------+-------------------------------------------------------- clubfoot | 68613 2.254267 1.310206 1 9 hernia | 68613 2.254427 1.310114 1 9 musculo | 68613 2.254092 1.310307 1 9 downs | 68613 2.254267 1.310206 1 9 chromo | 68613 2.254194 1.310248 1 9 -------------+-------------------------------------------------------- othercon | 68613 2.246615 1.314581 1 9 origm | 68613 .082958 .2758208 0 1 origf | 68613 .082958 .2758208 0 1 educm | 68613 .9711862 .1672841 0 1 educf | 68613 .0000583 .0076351 0 1 -------------+-------------------------------------------------------- geste | 68613 .1030854 .3040726 0 1 fmapsrf | 68613 .9711862 .1672841 0 1 delmetrf | 68613 .9711862 .1672841 0 1 medrsk | 68613 .9510588 .2157466 0 1 tobuse | 68613 .9711862 .1672841 0 1 -------------+-------------------------------------------------------- alcuse | 68613 .9711862 .1672841 0 1 wtgn | 68613 .9510588 .2157466 0 1 obstrc | 68613 .9510588 .2157466 0 1 clabor | 68613 .9510588 .2157466 0 1 abnml | 68613 .9510588 .2157466 0 1 -------------+-------------------------------------------------------- congan | 68613 .9510588 .2157466 0 1 educsmsa | 68613 .0000583 .0076351 0 1 apiflag | 68613 .9711862 .1672841 0 1 smsares | 0 popsmas | 0 by Jean Roth , jroth@nber.org , 22 Dec 2015