Summary statistics for natl2004 dataset : by Jean Roth , jroth@nber.org , 21 Jan 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- revision | 0 recwt | 4,118,907 1 0 1 1 dob_yy | 4,118,907 2004 0 2004 2004 dob_mm | 4,118,907 6.563633 3.426193 1 12 dob_wk | 4,118,907 4.057684 1.836988 1 7 -------------+--------------------------------------------------------- ostate | 0 xostate | 0 ocntyfips | 4,118,907 233.6968 348.6341 1 999 ocntypop | 4,118,907 2.48187 3.038 0 9 bfacil | 758,833 1.030098 .3014739 1 9 -------------+--------------------------------------------------------- ubfacil | 4,118,907 1.023988 .2762357 1 9 bfacil3 | 4,118,907 1.009609 .0997285 1 3 mage_impflg | 152,981 1 0 1 1 mage_repflg | 152,332 1 0 1 1 mager | 4,118,907 27.46165 6.18004 12 50 -------------+--------------------------------------------------------- mager14 | 4,118,907 8.96856 1.556521 1 14 mager9 | 4,118,907 4.089526 1.269323 1 9 mbcntry | 0 umbstate | 0 mbstate_rec | 4,118,907 1.25053 .4425436 1 3 -------------+--------------------------------------------------------- xmrstate | 0 mrstate | 0 mrcntyfips | 4,118,907 287.3371 390.4061 0 999 mrcityfips | 4,118,907 80656.74 30240.74 0 99999 cmsa | 4,118,907 21.57486 31.15779 0 97 -------------+--------------------------------------------------------- msa | 4,118,907 5472.837 3096.78 0 9999 msa_pop | 0 rcnty_pop | 0 rcity_pop | 0 metrores | 0 -------------+--------------------------------------------------------- rectype | 4,118,907 1.262483 .4399838 1 2 restatus | 4,118,907 1.287541 .5082376 1 4 mbrace | 1,602,658 1.943004 3.275098 1 24 mrace | 3,360,074 3.255489 11.05781 1 78 mracerec | 4,118,907 1.337938 .7609488 1 4 -------------+--------------------------------------------------------- mraceimp | 0 umhisp | 4,118,907 .4769382 1.236303 0 9 mracehisp | 4,118,907 5.307934 2.133799 1 9 mar | 4,118,907 1.357324 .4792116 1 2 mar_imp | 2,256 1 0 1 1 -------------+--------------------------------------------------------- meduc | 758,833 4.031688 1.760544 1 9 dmeduc | 3,360,074 14.15353 10.712 0 99 meduc_rec | 3,360,074 3.503724 1.248272 1 6 fagerpt_flg | 101,748 1 0 1 1 fagerpt | 4,118,907 90.45024 22.75389 12 99 -------------+--------------------------------------------------------- fagecomb | 758,833 39.85017 24.09174 12 99 ufagecomb | 4,118,907 39.83114 24.25429 12 99 fagerec11 | 4,118,907 5.563855 2.515528 1 11 fbrace | 1,602,658 17.51452 35.79386 1 99 fraceimp | 0 -------------+--------------------------------------------------------- fracerec | 4,118,907 2.541474 2.901842 1 9 ufhisp | 4,118,907 1.616885 3.120655 0 9 fracehisp | 4,118,907 5.776191 2.368814 1 9 frace | 3,360,074 17.47184 35.55651 1 99 priorlive | 4,118,907 1.415418 6.076452 0 99 -------------+--------------------------------------------------------- priordead | 4,118,907 .4537376 6.549735 0 99 priorterm | 4,118,907 .862757 7.029515 0 99 lbo | 4,118,907 2.510245 6.633659 1 99 lbo_rec | 4,118,907 2.096521 1.298109 1 9 tbo | 4,118,907 2.981601 7.41732 1 99 -------------+--------------------------------------------------------- tbo_rec | 4,118,907 2.455357 1.576606 1 9 dllb_mm | 0 dllb_yy | 0 precare | 758,833 9.613833 24.24777 0 99 precare_rec | 758,833 1.591142 1.106839 1 5 -------------+--------------------------------------------------------- mpcb | 3,360,074 4.285362 13.40657 0 99 mpcb_rec6 | 3,360,074 1.643783 1.065575 1 6 mpcb_rec5 | 3,360,074 1.280695 .7393501 1 5 uprevis | 4,118,907 14.6401 16.82456 0 99 previs_rec | 4,118,907 7.070053 2.054972 1 12 -------------+--------------------------------------------------------- apncu | 758,833 3.480986 2.073715 1 9 wtgain | 4,118,907 43.29923 29.36243 0 99 wtgain_rec | 4,118,907 5.225027 2.688738 1 9 u_apncu | 3,360,074 3.173332 1.445098 1 9 dfpc_imp | 51,525 1 0 1 1 -------------+--------------------------------------------------------- cig_1 | 574,610 2.738045 10.50826 0 99 cig_2 | 574,610 2.355359 10.18933 0 99 cig_3 | 574,610 2.240473 10.05813 0 99 tobuse | 3,360,074 3.079758 2.659322 1 9 cigs | 3,360,074 17.95747 37.32861 0 99 -------------+--------------------------------------------------------- cig_rec6 | 3,360,074 1.189514 2.274166 0 6 cig_rec | 0 alcohol | 3,360,074 3.159638 2.611752 1 9 drinks | 3,360,074 16.60997 36.97888 0 99 drinks_rec | 3,360,074 .8469665 1.869399 0 5 -------------+--------------------------------------------------------- rf_diab | 0 rf_gest | 0 rf_phyp | 0 rf_ghyp | 0 rf_eclam | 0 -------------+--------------------------------------------------------- rf_ppterm | 0 rf_ppoutc | 0 rf_cesar | 0 rf_cesarn | 758,833 .5994086 6.847047 0 99 urf_anemia | 3,360,074 2.00359 .4543594 1 9 -------------+--------------------------------------------------------- urf_card | 3,360,074 2.022444 .4325485 1 9 urf_lung | 3,360,074 2.015009 .4413736 1 9 urf_diab | 4,118,907 1.994814 .4981952 1 9 urf_gen | 3,360,074 2.018447 .4373308 1 9 urf_hydra | 3,360,074 2.012508 .4442757 1 9 -------------+--------------------------------------------------------- urf_hemo | 3,360,074 2.025415 .4289343 1 9 urf_chyper | 4,118,907 2.020815 .4709467 1 9 urf_phyper | 4,118,907 1.99266 .5003249 1 9 urf_eclam | 4,118,907 2.02766 .4632647 1 9 urf_incerv | 3,360,074 2.02337 .4314266 1 9 -------------+--------------------------------------------------------- urf_pre4000 | 3,360,074 2.017287 .438702 1 9 urf_preterm | 3,360,074 2.015382 .4409385 1 9 urf_renal | 3,360,074 2.023637 .4311026 1 9 urf_rh | 3,360,074 2.020336 .435082 1 9 urf_uterine | 3,360,074 2.021982 .4331054 1 9 -------------+--------------------------------------------------------- urf_other | 3,360,074 1.828765 .5932612 1 9 op_cerv | 0 op_tocol | 0 op_ecvs | 0 op_ecvf | 0 -------------+--------------------------------------------------------- uop_amnio | 3,360,074 1.994541 .2871011 1 9 uop_monit | 3,360,074 1.156515 .4571829 1 9 uop_induc | 4,118,907 1.802594 .5198023 1 9 uop_stiml | 3,360,074 1.846561 .4548558 1 9 uop_tocol | 4,118,907 1.99821 .3816874 1 9 -------------+--------------------------------------------------------- uop_ultra | 3,360,074 1.339307 .5487951 1 9 uop_other | 3,360,074 1.953505 .3483265 1 9 on_ruptr | 0 on_precip | 0 on_prol | 0 -------------+--------------------------------------------------------- ld_indl | 0 ld_augm | 0 ld_nvpr | 0 ld_ster | 0 ld_anti | 0 -------------+--------------------------------------------------------- ld_chor | 0 ld_mecs | 0 ld_fint | 0 ld_anes | 0 uld_febr | 3,360,074 2.001609 .3631381 1 9 -------------+--------------------------------------------------------- uld_meco | 4,118,907 1.971537 .4306822 1 9 uld_ruptr | 3,360,074 1.997034 .3693747 1 9 uld_abrup | 3,360,074 2.011504 .3490623 1 9 uld_prepla | 3,360,074 2.013389 .3462834 1 9 uld_excbl | 3,360,074 2.011072 .3496934 1 9 -------------+--------------------------------------------------------- uld_seiz | 3,360,074 2.016392 .3417887 1 9 uld_precip | 4,118,907 2.008627 .461452 1 9 uld_prolg | 3,360,074 2.009768 .3515926 1 9 uld_dysfn | 3,360,074 1.989951 .3787197 1 9 uld_breech | 4,118,907 1.994613 .5413246 1 9 -------------+--------------------------------------------------------- uld_cephal | 3,360,074 2.002152 .3623866 1 9 uld_cord | 3,360,074 2.014968 .3439302 1 9 uld_anest | 3,360,074 2.01622 .3420489 1 9 uld_distr | 3,360,074 1.98391 .3864091 1 9 uld_other | 3,360,074 1.862984 .5017204 1 9 -------------+--------------------------------------------------------- me_attf | 0 me_attv | 0 me_pres | 0 me_rout | 0 me_trial | 0 -------------+--------------------------------------------------------- ume_vag | 4,118,907 1.325395 .6869842 1 9 ume_vbac | 4,118,907 2.020776 .4839041 1 9 ume_primc | 4,118,907 1.851952 .6176572 1 9 ume_repec | 4,118,907 1.922569 .5716696 1 9 ume_forcep | 4,118,907 2.018874 .466195 1 9 -------------+--------------------------------------------------------- ume_vac | 4,118,907 1.989033 .4974074 1 9 dmeth_rec | 4,118,907 1.717446 1.12873 1 7 attend | 4,118,907 1.246287 .7382815 1 9 apgar5 | 4,118,907 29.56663 37.91451 0 99 apgar5r | 4,118,907 4.127608 .5944703 1 5 -------------+--------------------------------------------------------- dplural | 4,118,907 1.035818 .1967484 1 5 imp_plur | 132 1 0 1 1 sex | 0 imp_sex | 86 1 0 1 1 dlmp_mm | 4,118,907 11.62072 21.26073 1 99 -------------+--------------------------------------------------------- dlmp_dd | 4,118,907 23.81508 26.96563 1 99 dlmp_yy | 4,118,907 2428.555 1794.36 2002 9999 estgest | 4,118,907 46.69716 20.86157 10 99 combgest | 4,118,907 39.24374 6.658484 17 99 gestrec10 | 4,118,907 6.37511 1.285494 1 10 -------------+--------------------------------------------------------- gestrec3 | 4,118,907 1.886895 .3481584 1 3 obgest_flg | 210,120 1 0 1 1 gest_imp | 34,253 1 0 1 1 dbwt | 4,118,907 3287.958 634.7789 227 9999 bwtr12 | 4,118,907 7.068256 1.240621 1 12 -------------+--------------------------------------------------------- bwtr4 | 4,118,907 2.905556 .3418457 1 4 ab_aven1 | 0 ab_aven6 | 0 ab_nicu | 0 ab_surf | 0 -------------+--------------------------------------------------------- ab_anti | 0 ab_seiz | 0 ab_binj | 0 uab_anem | 3,360,074 2.023068 .4101976 1 9 uab_injury | 3,360,074 2.021634 .4120199 1 9 -------------+--------------------------------------------------------- uab_alcoh | 3,360,074 2.023954 .4090653 1 9 uab_hyal | 3,360,074 2.018253 .4162641 1 9 uab_mecon | 3,360,074 2.022643 .410739 1 9 uab_venl30 | 3,360,074 2.006681 .4302756 1 9 uab_ven30m | 3,360,074 2.015311 .4199017 1 9 -------------+--------------------------------------------------------- uab_nseiz | 3,360,074 2.023538 .4095981 1 9 uab_other | 3,360,074 1.980419 .4594129 1 9 ca_anen | 0 ca_mnsb | 0 ca_cchd | 0 -------------+--------------------------------------------------------- ca_cdh | 0 ca_omph | 0 ca_gast | 0 ca_limb | 0 ca_cleft | 0 -------------+--------------------------------------------------------- ca_clpal | 0 ca_down | 0 ca_disor | 0 ca_hypo | 0 uca_anen | 4,118,907 2.081446 .7512286 1 9 -------------+--------------------------------------------------------- uca_spina | 4,118,907 2.081362 .7512938 1 9 uca_hydro | 3,360,074 2.084625 .7661479 1 9 uca_micro | 3,360,074 2.084778 .7660305 1 9 uca_nerv | 3,360,074 2.084635 .7661397 1 9 uca_heart | 3,360,074 2.08349 .7670127 1 9 -------------+--------------------------------------------------------- uca_circ | 3,360,074 2.083521 .7669887 1 9 uca_rectal | 3,360,074 2.084761 .7660441 1 9 uca_trach | 3,360,074 2.084729 .766068 1 9 uca_ompha | 4,118,907 2.081238 .7513894 1 9 uca_gastro | 3,360,074 2.084512 .7662337 1 9 -------------+--------------------------------------------------------- uca_genital | 3,360,074 2.084057 .7665806 1 9 uca_renal | 3,360,074 2.084711 .766082 1 9 uca_urogen | 3,360,074 2.083967 .7666491 1 9 uca_cleftlp | 4,118,907 2.080786 .7517389 1 9 uca_adactyly | 3,360,074 2.084109 .7665412 1 9 -------------+--------------------------------------------------------- uca_clubft | 3,360,074 2.084294 .7664003 1 9 uca_hernia | 3,360,074 2.084742 .7660584 1 9 uca_muscu | 3,360,074 2.082787 .7675468 1 9 uca_downs | 4,118,907 2.08108 .7515116 1 9 uca_chromo | 3,360,074 2.084559 .7661981 1 9 -------------+--------------------------------------------------------- uca_other | 3,360,074 2.081279 .768689 1 9 f_morigin | 4,118,907 .9983406 .0407022 0 1 f_forigin | 4,118,907 .9983406 .0407022 0 1 f_meduc | 4,118,907 .1388373 .3457767 0 1 f_clinest | 4,118,907 .866062 .3405857 0 1 -------------+--------------------------------------------------------- f_apgar5 | 4,118,907 .7734953 .4185695 0 1 f_tobaco | 4,118,907 .1388373 .3457767 0 1 f_med | 4,118,907 .8030322 .3977078 0 1 f_wtgain | 4,118,907 .8660667 .3405807 0 1 f_alcol | 4,118,907 .6707537 .4699396 0 1 -------------+--------------------------------------------------------- f_api | 4,118,907 .2425328 .4286148 0 1 f_tobac | 4,118,907 .6707537 .4699396 0 1 f_mpcb | 4,118,907 .1388373 .3457767 0 1 f_mpcb_u | 4,118,907 .8030322 .3977078 0 1 f_urf_anemia | 4,118,907 .8030322 .3977078 0 1 -------------+--------------------------------------------------------- f_urf_card~c | 4,118,907 .8030322 .3977078 0 1 f_urf_lung | 4,118,907 .8030322 .3977078 0 1 f_urf_diab~s | 4,118,907 .9983452 .0406457 0 1 f_urf_herpes | 4,118,907 .7104608 .4535486 0 1 f_urf_hydra | 4,118,907 .8030322 .3977078 0 1 -------------+--------------------------------------------------------- f_urf_hemo | 4,118,907 .8030322 .3977078 0 1 f_urf_chyper | 4,118,907 .9983452 .0406457 0 1 f_urf_phyper | 4,118,907 .9983452 .0406457 0 1 f_urf_eclamp | 4,118,907 .8595079 .3474969 0 1 f_urf_ince~x | 4,118,907 .8030322 .3977078 0 1 -------------+--------------------------------------------------------- f_urf_p~4000 | 4,118,907 .8030322 .3977078 0 1 f_urf_pret~m | 4,118,907 .8030322 .3977078 0 1 f_urf_renal | 4,118,907 .8030322 .3977078 0 1 f_urf_rh | 4,118,907 .7934013 .4048651 0 1 f_urf_uter~e | 4,118,907 .7104608 .4535486 0 1 -------------+--------------------------------------------------------- f_urf_othe~r | 4,118,907 .8030322 .3977078 0 1 f_uob_amnio | 4,118,907 .8030322 .3977078 0 1 f_uob_moni~r | 4,118,907 .8030322 .3977078 0 1 f_uob_induct | 4,118,907 .9983452 .0406457 0 1 f_uob_stimul | 4,118,907 .8030322 .3977078 0 1 -------------+--------------------------------------------------------- f_uob_tocol | 4,118,907 .9983452 .0406457 0 1 f_uob_ultras | 4,118,907 .8030322 .3977078 0 1 f_uob_othe~b | 4,118,907 .8030322 .3977078 0 1 f_uld_febr~e | 4,118,907 .8030322 .3977078 0 1 f_uld_meco~m | 4,118,907 .9983452 .0406457 0 1 -------------+--------------------------------------------------------- f_uld_rupt~e | 4,118,907 .8030322 .3977078 0 1 f_uld_abru~o | 4,118,907 .8030322 .3977078 0 1 f_uld_prep~e | 4,118,907 .8030322 .3977078 0 1 f_uld_exce~d | 4,118,907 .8030322 .3977078 0 1 f_uld_seiz~e | 4,118,907 .8030322 .3977078 0 1 -------------+--------------------------------------------------------- f_uld_precip | 4,118,907 .9983452 .0406457 0 1 f_uld_prolg | 4,118,907 .8030322 .3977078 0 1 f_uld_dysf~c | 4,118,907 .8030322 .3977078 0 1 f_uld_breech | 4,118,907 .9983452 .0406457 0 1 f_uld_ceph~o | 4,118,907 .8030322 .3977078 0 1 -------------+--------------------------------------------------------- f_uld_cord | 4,118,907 .8030322 .3977078 0 1 f_uld_anest | 4,118,907 .7104608 .4535486 0 1 f_uld_distr | 4,118,907 .7104608 .4535486 0 1 f_uld_other | 4,118,907 .8030322 .3977078 0 1 f_u_vag | 4,118,907 .9983452 .0406457 0 1 -------------+--------------------------------------------------------- f_u_vbac | 4,118,907 .9983452 .0406457 0 1 f_u_primc | 4,118,907 .9983452 .0406457 0 1 f_u_repec | 4,118,907 .9983452 .0406457 0 1 f_u_forcep | 4,118,907 .9983452 .0406457 0 1 f_u_vac | 4,118,907 .9983452 .0406457 0 1 -------------+--------------------------------------------------------- f_uab_anemia | 4,118,907 .8030322 .3977078 0 1 f_uab_injury | 4,118,907 .7040679 .4564607 0 1 f_uab_alco~n | 4,118,907 .786002 .4101255 0 1 f_uab_hyal~e | 4,118,907 .8030322 .3977078 0 1 f_uab_meco~n | 4,118,907 .8030322 .3977078 0 1 -------------+--------------------------------------------------------- f_uab_venl30 | 4,118,907 .7741245 .4181576 0 1 f_uab_ven30m | 4,118,907 .7741245 .4181576 0 1 f_uab_seiz | 4,118,907 .8030322 .3977078 0 1 f_uab_othe~b | 4,118,907 .8030322 .3977078 0 1 f_uca_anen | 4,118,907 .991454 .0920485 0 1 -------------+--------------------------------------------------------- f_uca_spina | 4,118,907 .991454 .0920485 0 1 f_uca_hydro | 4,118,907 .7961411 .4028654 0 1 f_uca_micr~e | 4,118,907 .7961411 .4028654 0 1 f_uca_nerv~s | 4,118,907 .7961411 .4028654 0 1 f_uca_heart | 4,118,907 .7961411 .4028654 0 1 -------------+--------------------------------------------------------- f_uca_circul | 4,118,907 .7961411 .4028654 0 1 f_uca_rectal | 4,118,907 .7961411 .4028654 0 1 f_uca_trac~o | 4,118,907 .7961411 .4028654 0 1 f_uca_omph~o | 4,118,907 .991454 .0920485 0 1 f_uca_gastro | 4,118,907 .7961411 .4028654 0 1 -------------+--------------------------------------------------------- f_uca_geni~l | 4,118,907 .7961411 .4028654 0 1 f_uca_rena~g | 4,118,907 .7961411 .4028654 0 1 f_uca_urogen | 4,118,907 .7961411 .4028654 0 1 f_uca_clef~p | 4,118,907 .991454 .0920485 0 1 f_uca_adac~l | 4,118,907 .7961411 .4028654 0 1 -------------+--------------------------------------------------------- f_uca_club | 4,118,907 .7961411 .4028654 0 1 f_uca_hernia | 4,118,907 .7961411 .4028654 0 1 f_uca_musc~o | 4,118,907 .7961411 .4028654 0 1 f_uca_downs | 4,118,907 .991454 .0920485 0 1 f_uca_chromo | 4,118,907 .7961411 .4028654 0 1 -------------+--------------------------------------------------------- f_uca_othr~n | 4,118,907 .7961411 .4028654 0 1 mrace1e | 0 mrace2e | 0 mrace3e | 0 mrace4e | 0 -------------+--------------------------------------------------------- mrace5e | 0 mrace6e | 0 mrace7e | 0 mrace8e | 0 frace1e | 0 -------------+--------------------------------------------------------- frace2e | 0 frace3e | 0 frace4e | 0 frace5e | 0 frace6e | 0 -------------+--------------------------------------------------------- frace7e | 0 frace8e | 0 by Jean Roth , jroth@nber.org , 21 Jan 2016