Summary statistics for natlterr1998 dataset : by Jean Roth , jroth@nber.org , 22 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- datayear | 69911 1998 0 1998 1998 rectype | 69911 1.546824 .4978063 1 2 restatus | 69911 1.554047 .5178205 1 4 recwt | 69911 1 0 1 1 pldel | 69911 1.010928 .2003305 1 9 -------------+-------------------------------------------------------- pldel3 | 69911 1.003462 .0611203 1 3 birattnd | 69911 1.110669 .5615939 1 9 regnocc | 66761 0 0 0 0 divocc | 66761 0 0 0 0 stsubocc | 66761 0 0 0 0 -------------+-------------------------------------------------------- stnatexp | 69911 53.57763 1.997096 53 63 statenat | 69911 52.57763 1.997096 52 62 cntynat | 69911 50136.53 10895.27 61 54000 stoccfip | 66761 71.78314 1.821943 66 78 cntocfip | 66761 72150.17 1999.869 66010 78999 -------------+-------------------------------------------------------- cntocpop | 66761 4.664415 2.960752 2 9 regnres | 66761 0 0 0 0 divres | 66761 0 0 0 0 stsubres | 66761 0 0 0 0 stresexp | 69911 53.57399 2.206481 5 63 -------------+-------------------------------------------------------- stateres | 69911 52.57457 2.197419 5 62 cntyres | 0 cityres | 0 citrspop | 0 metrores | 0 -------------+-------------------------------------------------------- stresfip | 69911 71.20899 4.645313 0 78 cntyrfip | 0 placefip | 66761 99652.99 5872.065 0 99999 cmsa | 66761 50.56636 42.92254 0 87 smsarfip | 0 -------------+-------------------------------------------------------- cntrspop | 0 magerflg | 1698 1 0 1 1 mageimp | 0 dmage | 69911 25.13346 6.016692 10 48 mage36 | 69911 12.13459 6.014473 1 35 -------------+-------------------------------------------------------- mage12 | 69911 8.3374 1.794712 1 13 mage8 | 69911 3.626883 1.233144 1 8 ormoth | 69911 8.216432 2.520334 0 9 orracem | 69911 8.848865 .634951 1 9 mraceimp | 0 -------------+-------------------------------------------------------- mrace | 69911 3.104404 9.281794 0 78 mrace3 | 69911 1.278526 .6146375 1 3 dmeduc | 69911 15.20499 15.5443 0 99 meduc6 | 69911 3.329562 1.301446 1 6 dmarimp | 0 -------------+-------------------------------------------------------- dmar | 69911 1.597889 .6945014 1 3 mplbir | 69911 50.23467 9.174461 1 99 mplbirr | 69911 1.893779 .3352466 1 3 dmagerpt | 69911 97.26654 11.01096 10 99 adequacy | 69911 1.554433 .8036589 1 4 -------------+-------------------------------------------------------- nlbnl | 69911 1.589163 7.281568 0 99 nlbnd | 69911 .5458798 7.232077 0 99 noterm | 69911 .724936 7.229761 0 99 dlivord | 69911 2.610634 7.295135 1 99 livord9 | 69911 2.107265 1.38383 1 9 -------------+-------------------------------------------------------- dtotord | 69911 2.810988 7.353552 1 99 totord9 | 69911 2.296234 1.531386 1 9 monpre | 69911 6.389324 18.60004 0 99 mpre6 | 69911 1.912589 1.247781 1 6 mpre5 | 69911 1.434881 .9236734 1 5 -------------+-------------------------------------------------------- nprevis | 69911 12.99093 15.93854 0 99 nprev12 | 69911 6.445338 2.109527 1 12 lmpmon | 69911 12.18881 22.48911 1 99 lmpday | 69911 24.72466 27.58459 1 99 lmpyr | 69911 2473.176 1892.525 1997 9999 -------------+-------------------------------------------------------- flgbwimp | 0 bwimp | 200 9611.57 1717.138 250 9999 fagerflg | 1462 1 0 1 1 dfage | 69911 32.23703 17.84198 14 99 fage11 | 69911 4.628799 2.128076 1 11 -------------+-------------------------------------------------------- orfath | 69911 8.396275 2.239774 0 9 orracef | 69911 8.882908 .555328 1 9 frace | 69911 8.939495 25.08039 0 99 frace4 | 69911 1.477035 .9224615 1 4 dfagerpt | 69911 97.46955 10.15813 15 99 -------------+-------------------------------------------------------- fraceimp | 20 3 0 3 3 cdobmimp | 0 birmon | 69911 6.608803 3.486333 1 12 biryr | 69911 1998 0 1998 1998 weekday | 69911 4.051251 1.836281 1 7 -------------+-------------------------------------------------------- gestestm | 2395 1 0 1 1 gestimp | 3403 1 0 1 1 dgestat | 69911 40.18448 10.7041 19 99 gestat10 | 69911 6.303801 1.292367 1 10 gestat3 | 69911 1.894637 .3942786 1 3 -------------+-------------------------------------------------------- cseximp | 4 1 0 1 1 csex | 69911 1.484902 .4997756 1 2 dbirwt | 69911 3153.854 667.4007 340 9999 birwt12 | 69911 6.780979 1.185501 1 12 birwt4 | 69911 2.886084 .363567 1 4 -------------+-------------------------------------------------------- plurimp | 396 1 0 1 1 dplural | 69911 1.017651 .1361663 1 5 fmaps | 69911 11.79008 15.76207 0 99 fmapsr | 69911 3.946875 .388261 1 5 clingest | 69911 40.418 10.75872 19 99 -------------+-------------------------------------------------------- vaginal | 69911 1.600821 1.484306 1 9 vbac | 69911 2.233726 1.294205 1 9 primac | 69911 2.048333 1.382988 1 9 repeac | 69911 2.122141 1.351393 1 9 forcep | 69911 2.241321 1.289869 1 9 -------------+-------------------------------------------------------- vacuum | 69911 2.238947 1.291231 1 9 delmeth5 | 69911 1.915893 1.27732 1 5 anemia | 69911 2.324327 1.548067 1 9 cardiac | 69911 2.350703 1.533731 1 9 lung | 69911 2.349659 1.53431 1 9 -------------+-------------------------------------------------------- diabetes | 69911 2.33361 1.543088 1 9 herpes | 69911 2.35189 1.533072 1 9 hydra | 69911 2.345639 1.536529 1 9 hemo | 69911 2.352706 1.532619 1 9 chyper | 69911 2.345439 1.536639 1 9 -------------+-------------------------------------------------------- phyper | 69911 2.322424 1.549079 1 9 eclamp | 69911 2.351461 1.53331 1 9 incervix | 69911 2.349487 1.534405 1 9 pre4000 | 69911 2.352005 1.533008 1 9 preterm | 69911 2.351647 1.533207 1 9 -------------+-------------------------------------------------------- renal | 69911 2.351905 1.533064 1 9 rh | 69911 2.351762 1.533143 1 9 uterine | 69911 2.350918 1.533612 1 9 othermr | 69911 2.279641 1.571047 1 9 tobacco | 69911 2.304988 1.484498 1 9 -------------+-------------------------------------------------------- cigar | 69911 4.873983 21.03117 0 99 cigar6 | 69911 .3209938 1.297851 0 6 alcohol | 69911 2.324169 1.475564 1 9 drink | 69911 4.65951 20.95434 0 99 drink5 | 69911 .2380884 1.062138 0 5 -------------+-------------------------------------------------------- wtgain | 69911 28.60002 19.74662 0 99 wtgain9 | 69911 3.580266 2.267535 1 9 amnio | 69911 2.313055 1.495439 1 9 monitor | 69911 1.578521 1.700365 1 9 induct | 69911 2.260889 1.522645 1 9 -------------+-------------------------------------------------------- stimula | 69911 2.175967 1.5622 1 9 tocol | 69911 2.308063 1.498143 1 9 ultras | 69911 1.990259 1.630046 1 9 otherob | 69911 2.324741 1.489026 1 9 febrile | 69911 2.344452 1.519888 1 9 -------------+-------------------------------------------------------- meconium | 69911 2.324026 1.531058 1 9 rupture | 69911 2.327631 1.529113 1 9 abruptio | 69911 2.342736 1.52084 1 9 preplace | 69911 2.343737 1.520285 1 9 excebld | 69911 2.344967 1.519602 1 9 -------------+-------------------------------------------------------- seizure | 69911 2.346083 1.518981 1 9 precip | 69911 2.341048 1.521774 1 9 prolong | 69911 2.343923 1.520182 1 9 dysfunc | 69911 2.338402 1.523234 1 9 breech | 69911 2.324899 1.530589 1 9 -------------+-------------------------------------------------------- cephalo | 69911 2.290255 1.54876 1 9 cord | 69911 2.342607 1.520912 1 9 anesthe | 69911 2.346283 1.518869 1 9 distress | 69911 2.328303 1.528749 1 9 otherlb | 69911 2.251234 1.568059 1 9 -------------+-------------------------------------------------------- nanemia | 69911 2.358985 1.546817 1 9 injury | 69911 2.359629 1.546459 1 9 alcosyn | 69911 2.359886 1.546316 1 9 hyaline | 69911 2.357812 1.547467 1 9 meconsyn | 69911 2.359543 1.546507 1 9 -------------+-------------------------------------------------------- venl30 | 69911 2.358742 1.546952 1 9 ven30m | 69911 2.35817 1.547269 1 9 nseiz | 69911 2.359357 1.54661 1 9 otherab | 69911 2.350417 1.551544 1 9 anen | 69911 2.354722 1.535413 1 9 -------------+-------------------------------------------------------- spina | 69911 2.354637 1.53546 1 9 hydro | 69911 2.354622 1.535468 1 9 microce | 69911 2.35468 1.535436 1 9 nervous | 69911 2.354722 1.535413 1 9 heart | 69911 2.354565 1.5355 1 9 -------------+-------------------------------------------------------- circul | 69911 2.354551 1.535508 1 9 rectal | 69911 2.354694 1.535428 1 9 tracheo | 69911 2.354751 1.535397 2 9 omphalo | 69911 2.35468 1.535436 1 9 gastro | 69911 2.354665 1.535444 1 9 -------------+-------------------------------------------------------- genital | 69911 2.354651 1.535452 1 9 renalage | 69911 2.354694 1.535428 1 9 urogen | 69911 2.354508 1.535532 1 9 cleftlp | 69911 2.354351 1.535619 1 9 adactyly | 69911 2.35468 1.535436 1 9 -------------+-------------------------------------------------------- clubfoot | 69911 2.354522 1.535524 1 9 hernia | 69911 2.35468 1.535436 1 9 musculo | 69911 2.354479 1.535548 1 9 downs | 69911 2.354637 1.53546 1 9 chromo | 69911 2.354551 1.535508 1 9 -------------+-------------------------------------------------------- othercon | 69911 2.347942 1.539167 1 9 origm | 69911 .0875113 .2825848 0 1 origf | 69911 .0875113 .2825848 0 1 educm | 69911 .9725508 .1633894 0 1 educf | 69911 0 0 0 0 -------------+-------------------------------------------------------- geste | 69911 .1084236 .3109168 0 1 fmapsrf | 69911 .9725508 .1633894 0 1 delmetrf | 69911 .9725508 .1633894 0 1 medrsk | 69911 .9516385 .2145304 0 1 tobuse | 69911 .9516385 .2145304 0 1 -------------+-------------------------------------------------------- alcuse | 69911 .9516385 .2145304 0 1 wtgn | 69911 .9516385 .2145304 0 1 obstrc | 69911 .9516385 .2145304 0 1 clabor | 69911 .9516385 .2145304 0 1 abnml | 69911 .9516385 .2145304 0 1 -------------+-------------------------------------------------------- congan | 69911 .9516385 .2145304 0 1 educsmsa | 69911 0 0 0 0 apiflag | 69911 .9725508 .1633894 0 1 smsares | 0 popsmas | 0 by Jean Roth , jroth@nber.org , 22 Dec 2015