Summary statistics for natlterr1995 dataset : by Jean Roth , jroth@nber.org , 22 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- datayear | 69868 1995 0 1995 1995 rectype | 69868 1.562589 .4960706 1 2 restatus | 69868 1.568844 .5133212 1 4 recwt | 69868 1 0 1 1 pldel | 69868 1.009074 .1732975 1 9 -------------+-------------------------------------------------------- pldel3 | 69868 1.002934 .0546149 1 3 birattnd | 69868 1.077847 .5049682 1 9 regnocc | 69868 0 0 0 0 divocc | 69868 0 0 0 0 stsubocc | 69868 0 0 0 0 -------------+-------------------------------------------------------- stnatexp | 69868 53.1508 .4978834 53 55 statenat | 69868 52.1508 .4978834 52 54 cntynat | 69868 52487.93 637.39 52011 54000 stoccfip | 69868 71.82636 1.800494 66 78 cntocfip | 69868 72189.14 1978.944 66010 78999 -------------+-------------------------------------------------------- cntocpop | 69868 4.657182 2.942468 2 9 regnres | 69868 0 0 0 0 divres | 69868 0 0 0 0 stsubres | 69868 0 0 0 0 stresexp | 69868 53.14804 .9912946 3 60 -------------+-------------------------------------------------------- stateres | 69868 52.14849 .9751105 3 59 cntyres | 0 cityres | 0 citrspop | 0 metrores | 0 -------------+-------------------------------------------------------- stresfip | 69868 71.62664 4.037344 0 78 cntyrfip | 0 placefip | 69868 99711.32 5355.895 0 99999 cmsa | 69868 50.4719 42.93797 0 87 smsarfip | 0 -------------+-------------------------------------------------------- cntrspop | 0 magerflg | 20 1 0 1 1 mageimp | 0 dmage | 69868 25.03232 5.974099 10 49 mage36 | 69868 12.03353 5.971711 1 36 -------------+-------------------------------------------------------- mage12 | 69868 8.301311 1.820556 1 13 mage8 | 69868 3.607016 1.227793 1 8 ormoth | 69868 8.202754 2.538517 0 9 orracem | 69868 8.832012 .7156959 1 9 mraceimp | 0 -------------+-------------------------------------------------------- mrace | 69868 2.434863 8.960249 0 78 mrace3 | 69868 1.245119 .6111554 1 3 dmeduc | 69868 12.62106 6.619918 0 99 meduc6 | 69868 3.169906 1.257528 1 6 dmarimp | 0 -------------+-------------------------------------------------------- dmar | 69868 1.539517 .6759825 1 3 mplbir | 69868 49.52707 9.036259 1 99 mplbirr | 69868 1.868996 .3380854 1 3 dmagerpt | 69868 98.9782 1.260233 18 99 adequacy | 69868 1.497066 .6832536 1 4 -------------+-------------------------------------------------------- nlbnl | 69868 1.145045 2.885837 0 99 nlbnd | 69868 .0986288 2.781254 0 99 noterm | 69868 .2777094 2.805927 0 99 dlivord | 69868 2.183847 3.18471 1 99 livord9 | 69868 2.09621 1.319301 1 9 -------------+-------------------------------------------------------- dtotord | 69868 2.39151 3.370994 1 99 totord9 | 69868 2.28946 1.486654 1 9 monpre | 69868 3.340428 7.763995 0 99 mpre6 | 69868 1.801569 1.016129 1 6 mpre5 | 69868 1.323667 .6671022 1 5 -------------+-------------------------------------------------------- nprevis | 69868 10.65023 7.65635 0 99 nprev12 | 69868 6.279871 1.977203 1 12 lmpmon | 69868 8.552184 14.14322 1 99 lmpday | 69868 22.02545 23.95865 1 99 lmpyr | 69868 2157.76 1132.248 1994 9999 -------------+-------------------------------------------------------- flgbwimp | 0 bwimp | 40 6215.25 3686.367 1361 9999 fagerflg | 489 1 0 1 1 dfage | 69868 31.54403 16.79066 10 99 fage11 | 69868 4.547504 2.057684 1 11 -------------+-------------------------------------------------------- orfath | 69868 8.411819 2.211445 0 9 orracef | 69868 8.875522 .6043295 1 9 frace | 69868 6.993717 22.60207 0 99 frace4 | 69868 1.416457 .8816603 1 4 dfagerpt | 69868 98.42482 6.43308 15 99 -------------+-------------------------------------------------------- fraceimp | 24 3 0 3 3 cdobmimp | 0 birmon | 69868 6.660517 3.477609 1 12 biryr | 69868 1995 0 1995 1995 weekday | 69868 4.038673 1.873959 1 7 -------------+-------------------------------------------------------- gestestm | 1679 1 0 1 1 gestimp | 3828 1 0 1 1 dgestat | 69868 38.6527 3.387029 18 99 gestat10 | 69868 6.320905 1.186635 1 10 gestat3 | 69868 1.878643 .3313741 1 3 -------------+-------------------------------------------------------- cseximp | 5 1 0 1 1 csex | 69868 1.484871 .4997747 1 2 dbirwt | 69868 3149.683 582.4998 284 9999 birwt12 | 69868 6.798363 1.164128 1 12 birwt4 | 69868 2.887173 .3589413 1 4 -------------+-------------------------------------------------------- plurimp | 7 1 0 1 1 dplural | 69868 1.017633 .1349443 1 4 fmaps | 69868 9.356215 6.20457 0 99 fmapsr | 69868 3.908127 .3702798 1 5 clingest | 69868 39.15136 5.183581 17 99 -------------+-------------------------------------------------------- vaginal | 69868 1.308682 .6171862 1 9 vbac | 69868 2.010305 .396367 1 9 primac | 69868 1.84777 .544588 1 9 repeac | 69868 1.909358 .4999458 1 9 forcep | 69868 2.013669 .3919982 1 9 -------------+-------------------------------------------------------- vacuum | 69868 2.015214 .3899643 1 9 delmeth5 | 69868 1.703684 1.122612 1 5 anemia | 69868 2.057594 .7366373 1 9 cardiac | 69868 2.07258 .7250504 1 9 lung | 69868 2.071635 .7257954 1 9 -------------+-------------------------------------------------------- diabetes | 69868 2.062003 .7332795 1 9 herpes | 69868 2.073925 .7239859 1 9 hydra | 69868 2.071363 .7260095 1 9 hemo | 69868 2.075042 .7230995 1 9 chyper | 69868 2.068501 .7282532 1 9 -------------+-------------------------------------------------------- phyper | 69868 2.052642 .7403598 1 9 eclamp | 69868 2.073639 .7242127 1 9 incervix | 69868 2.072451 .7251521 1 9 pre4000 | 69868 2.074326 .723668 1 9 preterm | 69868 2.074226 .7237475 1 9 -------------+-------------------------------------------------------- renal | 69868 2.073825 .7240653 1 9 rh | 69868 2.073753 .724122 1 9 uterine | 69868 2.073209 .7245526 1 9 othermr | 69868 2.010005 .7703518 1 9 tobacco | 69868 1.994175 .3821753 1 9 -------------+-------------------------------------------------------- cigar | 69868 .5728087 6.013561 0 99 cigar6 | 69868 .0651085 .4723876 0 6 alcohol | 69868 2.016417 .3704133 1 9 drink | 69868 .4158986 6.333408 0 99 drink5 | 69868 .0250615 .3428609 0 5 -------------+-------------------------------------------------------- wtgain | 69868 26.01848 15.71219 0 99 wtgain9 | 69868 3.375007 2.082156 1 9 amnio | 69868 2.006598 .5581781 1 9 monitor | 69868 1.318815 .7316966 1 9 induct | 69868 1.969872 .5894281 1 9 -------------+-------------------------------------------------------- stimula | 69868 1.881276 .6502573 1 9 tocol | 69868 2.016932 .5486217 1 9 ultras | 69868 1.744518 .7130345 1 9 otherob | 69868 2.031831 .5341904 1 9 febrile | 69868 2.078162 .7452135 1 9 -------------+-------------------------------------------------------- meconium | 69868 2.051254 .7653324 1 9 rupture | 69868 2.063205 .7565808 1 9 abruptio | 69868 2.076272 .7466754 1 9 preplace | 69868 2.076802 .7462664 1 9 excebld | 69868 2.077589 .7456573 1 9 -------------+-------------------------------------------------------- seizure | 69868 2.078734 .744769 1 9 precip | 69868 2.072594 .7495 1 9 prolong | 69868 2.076831 .7462443 1 9 dysfunc | 69868 2.071578 .7502753 1 9 breech | 69868 2.059541 .7592947 1 9 -------------+-------------------------------------------------------- cephalo | 69868 2.027309 .7820233 1 9 cord | 69868 2.0758 .7470397 1 9 anesthe | 69868 2.079078 .7445019 1 9 distress | 69868 2.064636 .7555133 1 9 otherlb | 69868 1.988178 .8070303 1 9 -------------+-------------------------------------------------------- nanemia | 69868 2.078491 .7417232 1 9 injury | 69868 2.078877 .7414216 1 9 alcosyn | 69868 2.078534 .7416897 1 9 hyaline | 69868 2.07746 .7425257 1 9 meconsyn | 69868 2.078834 .7414551 1 9 -------------+-------------------------------------------------------- venl30 | 69868 2.078133 .7420021 1 9 ven30m | 69868 2.07819 .7419575 1 9 nseiz | 69868 2.078462 .7417455 1 9 otherab | 69868 2.073052 .7459332 1 9 anen | 69868 2.079092 .7401718 1 9 -------------+-------------------------------------------------------- spina | 69868 2.079006 .740239 1 9 hydro | 69868 2.079106 .7401606 1 9 microce | 69868 2.079121 .7401494 1 9 nervous | 69868 2.079078 .740183 1 9 heart | 69868 2.07902 .7402278 1 9 -------------+-------------------------------------------------------- circul | 69868 2.079049 .7402054 1 9 rectal | 69868 2.079106 .7401606 1 9 tracheo | 69868 2.079121 .7401494 1 9 omphalo | 69868 2.079106 .7401606 1 9 gastro | 69868 2.079092 .7401718 1 9 -------------+-------------------------------------------------------- genital | 69868 2.079063 .7401942 1 9 renalage | 69868 2.079135 .7401382 1 9 urogen | 69868 2.078963 .7402726 1 9 cleftlp | 69868 2.078806 .7403957 1 9 adactyly | 69868 2.079092 .7401718 1 9 -------------+-------------------------------------------------------- clubfoot | 69868 2.079006 .740239 1 9 hernia | 69868 2.079135 .7401382 1 9 musculo | 69868 2.079006 .740239 1 9 downs | 69868 2.079006 .740239 1 9 chromo | 69868 2.079035 .7402166 1 9 -------------+-------------------------------------------------------- othercon | 69868 2.074383 .743832 1 9 origm | 69868 .0893399 .2852358 0 1 origf | 69868 .0893399 .2852358 0 1 educm | 69868 .9971231 .0535595 0 1 educf | 69868 0 0 0 0 -------------+-------------------------------------------------------- geste | 69868 .0893399 .2852358 0 1 fmapsrf | 69868 .9971231 .0535595 0 1 delmetrf | 69868 .9971231 .0535595 0 1 medrsk | 69868 .9971231 .0535595 0 1 tobuse | 69868 .9971231 .0535595 0 1 -------------+-------------------------------------------------------- alcuse | 69868 .9971231 .0535595 0 1 wtgn | 69868 .9971231 .0535595 0 1 obstrc | 69868 .9971231 .0535595 0 1 clabor | 69868 .9971231 .0535595 0 1 abnml | 69868 .9971231 .0535595 0 1 -------------+-------------------------------------------------------- congan | 69868 .9971231 .0535595 0 1 educsmsa | 69868 0 0 0 0 apiflag | 69868 .9971231 .0535595 0 1 smsares | 0 popsmas | 0 by Jean Roth , jroth@nber.org , 22 Dec 2015