Summary statistics for natlterr1996 dataset : by Jean Roth , jroth@nber.org , 22 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- datayear | 69519 1996 0 1996 1996 rectype | 69519 1.56117 .4962477 1 2 restatus | 69519 1.568003 .514977 1 4 recwt | 69519 1 0 1 1 pldel | 69519 1.008631 .171086 1 9 -------------+-------------------------------------------------------- pldel3 | 69519 1.002805 .0536979 1 3 birattnd | 69519 1.061681 .414736 1 9 regnocc | 69519 0 0 0 0 divocc | 69519 0 0 0 0 stsubocc | 69519 0 0 0 0 -------------+-------------------------------------------------------- stnatexp | 69519 53.15143 .5011414 53 55 statenat | 69519 52.15143 .5011414 52 54 cntynat | 69519 52498.57 636.4049 52011 54000 stoccfip | 69519 71.80477 1.790449 66 78 cntocfip | 69519 72177.42 1968.796 66010 78999 -------------+-------------------------------------------------------- cntocpop | 69519 4.71579 2.971514 2 9 regnres | 69519 0 0 0 0 divres | 69519 0 0 0 0 stsubres | 69519 0 0 0 0 stresexp | 69519 53.15144 .9557489 7 60 -------------+-------------------------------------------------------- stateres | 69519 52.15189 .9406205 7 59 cntyres | 0 cityres | 0 citrspop | 0 metrores | 0 -------------+-------------------------------------------------------- stresfip | 69519 71.58797 4.177145 0 78 cntyrfip | 0 placefip | 69519 99683.98 5603.817 0 99999 cmsa | 69519 50.58637 42.91922 0 87 smsarfip | 0 -------------+-------------------------------------------------------- cntrspop | 0 magerflg | 5 1 0 1 1 mageimp | 0 dmage | 69519 25.00245 5.991427 11 48 mage36 | 69519 12.0037 5.989005 1 35 -------------+-------------------------------------------------------- mage12 | 69519 8.293416 1.827829 1 13 mage8 | 69519 3.602727 1.231264 1 8 ormoth | 69519 8.211395 2.528987 0 9 orracem | 69519 8.845783 .6410451 1 9 mraceimp | 0 -------------+-------------------------------------------------------- mrace | 69519 2.762137 9.103233 0 58 mrace3 | 69519 1.249169 .6165703 1 3 dmeduc | 69519 12.67346 6.276478 0 99 meduc6 | 69519 3.207454 1.249391 1 6 dmarimp | 0 -------------+-------------------------------------------------------- dmar | 69519 1.566018 .6909921 1 3 mplbir | 69519 49.64611 8.997375 1 99 mplbirr | 69519 1.874106 .3328141 1 3 dmagerpt | 69519 98.99082 .8120166 12 99 adequacy | 69519 1.488068 .6810435 1 4 -------------+-------------------------------------------------------- nlbnl | 69519 1.133733 2.859759 0 99 nlbnd | 69519 .0942188 2.737635 0 99 noterm | 69519 .3038018 3.292408 0 99 dlivord | 69519 2.166659 3.098466 1 99 livord9 | 69519 2.084135 1.303897 1 9 -------------+-------------------------------------------------------- dtotord | 69519 2.398913 3.690045 1 99 totord9 | 69519 2.276342 1.475824 1 9 monpre | 69519 3.33575 7.762375 0 99 mpre6 | 69519 1.799868 1.011261 1 6 mpre5 | 69519 1.320445 .6628969 1 5 -------------+-------------------------------------------------------- nprevis | 69519 10.63289 7.627969 0 99 nprev12 | 69519 6.272487 1.949761 1 12 lmpmon | 69519 8.481092 13.90789 1 99 lmpday | 69519 22.05957 23.96472 1 99 lmpyr | 69519 2150.93 1105.267 1995 9999 -------------+-------------------------------------------------------- flgbwimp | 0 bwimp | 31 5137.548 3786.778 595 9999 fagerflg | 538 1 0 1 1 dfage | 69519 31.46531 16.75687 10 99 fage11 | 69519 4.53955 2.053805 1 11 -------------+-------------------------------------------------------- orfath | 69519 8.432184 2.17781 0 9 orracef | 69519 8.887498 .5446639 1 9 frace | 69519 7.569082 23.21945 0 99 frace4 | 69519 1.43063 .8957997 1 4 dfagerpt | 69519 98.34839 6.824203 15 99 -------------+-------------------------------------------------------- fraceimp | 36 3 0 3 3 cdobmimp | 0 birmon | 69519 6.707821 3.489743 1 12 biryr | 69519 1996 0 1996 1996 weekday | 69519 4.041111 1.860093 1 7 -------------+-------------------------------------------------------- gestestm | 1604 1 0 1 1 gestimp | 3867 1 0 1 1 dgestat | 69519 38.67321 3.2702 17 99 gestat10 | 69519 6.320876 1.149673 1 10 gestat3 | 69519 1.88104 .3283326 1 3 -------------+-------------------------------------------------------- cseximp | 6 1 0 1 1 csex | 69519 1.485479 .4997927 1 2 dbirwt | 69519 3138.005 567.5127 284 9999 birwt12 | 69519 6.776133 1.143561 1 12 birwt4 | 69519 2.886146 .3578823 1 4 -------------+-------------------------------------------------------- plurimp | 11 1 0 1 1 dplural | 69519 1.01752 .1382478 1 4 fmaps | 69519 9.372963 6.261857 0 99 fmapsr | 69519 3.913319 .360322 1 5 clingest | 69519 39.07502 5.205614 18 99 -------------+-------------------------------------------------------- vaginal | 69519 1.32863 .6415216 1 9 vbac | 69519 2.012615 .4220663 1 9 primac | 69519 1.841036 .5697462 1 9 repeac | 69519 1.905335 .525946 1 9 forcep | 69519 2.017377 .4162161 1 9 -------------+-------------------------------------------------------- vacuum | 69519 2.01847 .4148535 1 9 delmeth5 | 69519 1.746127 1.143319 1 5 anemia | 69519 2.036753 .6501299 1 9 cardiac | 69519 2.05528 .6343786 1 9 lung | 69519 2.054316 .6352209 1 9 -------------+-------------------------------------------------------- diabetes | 69519 2.042607 .6452517 1 9 herpes | 69519 2.056229 .6335463 1 9 hydra | 69519 2.053252 .6361482 1 9 hemo | 69519 2.057423 .6324961 1 9 chyper | 69519 2.050878 .6382047 1 9 -------------+-------------------------------------------------------- phyper | 69519 2.034667 .6518464 1 9 eclamp | 69519 2.055611 .6340888 1 9 incervix | 69519 2.054776 .6348189 1 9 pre4000 | 69519 2.056546 .6332683 1 9 preterm | 69519 2.056445 .6333568 1 9 -------------+-------------------------------------------------------- renal | 69519 2.056042 .6337104 1 9 rh | 69519 2.056301 .6334832 1 9 uterine | 69519 2.055985 .6337609 1 9 othermr | 69519 1.986162 .6887811 1 9 tobacco | 69519 1.99895 .3966422 1 9 -------------+-------------------------------------------------------- cigar | 69519 .5883284 6.39486 0 99 cigar6 | 69519 .0618248 .4763499 0 6 alcohol | 69519 2.019995 .3960122 1 9 drink | 69519 .4152246 6.338498 0 99 drink5 | 69519 .0241373 .3379464 0 5 -------------+-------------------------------------------------------- wtgain | 69519 26.94245 17.24454 0 99 wtgain9 | 69519 3.453574 2.149776 1 9 amnio | 69519 2.010256 .5188094 1 9 monitor | 69519 1.283174 .6946325 1 9 induct | 69519 1.973403 .5526434 1 9 -------------+-------------------------------------------------------- stimula | 69519 1.886204 .6167437 1 9 tocol | 69519 2.013565 .5155346 1 9 ultras | 69519 1.718696 .694046 1 9 otherob | 69519 2.02828 .5004443 1 9 febrile | 69519 2.095139 .819481 1 9 -------------+-------------------------------------------------------- meconium | 69519 2.070168 .8370478 1 9 rupture | 69519 2.080381 .829999 1 9 abruptio | 69519 2.093471 .8206902 1 9 preplace | 69519 2.094075 .820253 1 9 excebld | 69519 2.0956 .8191465 1 9 -------------+-------------------------------------------------------- seizure | 69519 2.096434 .8185392 1 9 precip | 69519 2.091169 .8223496 1 9 prolong | 69519 2.094938 .8196272 1 9 dysfunc | 69519 2.090925 .8225254 1 9 breech | 69519 2.076957 .8323824 1 9 -------------+-------------------------------------------------------- cephalo | 69519 2.045441 .853367 1 9 cord | 69519 2.093169 .8209086 1 9 anesthe | 69519 2.096204 .8187069 1 9 distress | 69519 2.078784 .8311132 1 9 otherlb | 69519 2.014212 .8725408 1 9 -------------+-------------------------------------------------------- nanemia | 69519 2.057265 .6383397 1 9 injury | 69519 2.058142 .6375726 1 9 alcosyn | 69519 2.057999 .6376985 1 9 hyaline | 69519 2.057006 .6385657 1 9 meconsyn | 69519 2.05807 .6376356 1 9 -------------+-------------------------------------------------------- venl30 | 69519 2.057279 .6383272 1 9 ven30m | 69519 2.057337 .6382769 1 9 nseiz | 69519 2.057797 .6378747 1 9 otherab | 69519 2.05295 .6420815 1 9 anen | 69519 2.056359 .6263991 1 9 -------------+-------------------------------------------------------- spina | 69519 2.056431 .6263353 1 9 hydro | 69519 2.056474 .6262969 1 9 microce | 69519 2.056474 .6262969 1 9 nervous | 69519 2.056431 .6263353 1 9 heart | 69519 2.056416 .626348 1 9 -------------+-------------------------------------------------------- circul | 69519 2.056387 .6263736 1 9 rectal | 69519 2.056488 .6262841 2 9 tracheo | 69519 2.056459 .6263097 1 9 omphalo | 69519 2.056488 .6262841 2 9 gastro | 69519 2.056459 .6263097 1 9 -------------+-------------------------------------------------------- genital | 69519 2.056373 .6263864 1 9 renalage | 69519 2.056445 .6263225 1 9 urogen | 69519 2.05633 .6264247 1 9 cleftlp | 69519 2.056229 .6265141 1 9 adactyly | 69519 2.056387 .6263736 1 9 -------------+-------------------------------------------------------- clubfoot | 69519 2.056431 .6263353 1 9 hernia | 69519 2.056416 .626348 1 9 musculo | 69519 2.05633 .6264247 1 9 downs | 69519 2.056402 .6263608 1 9 chromo | 69519 2.056316 .6264375 1 9 -------------+-------------------------------------------------------- othercon | 69519 2.051813 .6304071 1 9 origm | 69519 .0885945 .2841596 0 1 origf | 69519 .0885945 .2841596 0 1 educm | 69519 .9968498 .0560387 0 1 educf | 69519 0 0 0 0 -------------+-------------------------------------------------------- geste | 69519 .0885945 .2841596 0 1 fmapsrf | 69519 .9968498 .0560387 0 1 delmetrf | 69519 .9968498 .0560387 0 1 medrsk | 69519 .9968498 .0560387 0 1 tobuse | 69519 .9968498 .0560387 0 1 -------------+-------------------------------------------------------- alcuse | 69519 .9968498 .0560387 0 1 wtgn | 69519 .9968498 .0560387 0 1 obstrc | 69519 .9968498 .0560387 0 1 clabor | 69519 .9968498 .0560387 0 1 abnml | 69519 .9968498 .0560387 0 1 -------------+-------------------------------------------------------- congan | 69519 .9968498 .0560387 0 1 educsmsa | 69519 0 0 0 0 apiflag | 69519 .9968498 .0560387 0 1 smsares | 0 popsmas | 0 by Jean Roth , jroth@nber.org , 22 Dec 2015