Summary statistics for natl2006 dataset : by Jean Roth , jroth@nber.org , 22 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- revision | 0 dob_yy | 4273225 2006 0 2006 2006 dob_mm | 4273225 6.602337 3.414731 1 12 dob_wk | 4273225 4.06369 1.833485 1 7 oterr | 0 -------------+-------------------------------------------------------- ocntyfips | 0 ocntypop | 0 bfacil | 2080152 1.022887 .2594634 1 9 ubfacil | 4273225 1.023726 .2649873 1 9 bfacil3 | 4273225 1.009692 .0988672 1 3 -------------+-------------------------------------------------------- mage_impflg | 146163 1 0 1 1 mage_repflg | 145597 1 0 1 1 mager | 4273225 27.37506 6.163676 12 50 mager14 | 4273225 8.95543 1.551866 1 14 mager9 | 4273225 4.075731 1.268633 1 9 -------------+-------------------------------------------------------- mbcntry | 0 mrterr | 0 rcnty_pop | 0 rectype | 0 restatus | 4273225 1.289209 .5086026 1 4 -------------+-------------------------------------------------------- mbrace | 2348510 1.844932 3.085461 1 24 mrace | 2193073 3.397326 11.79107 1 78 mracerec | 4273225 1.34769 .7666784 1 4 mraceimp | 0 umhisp | 4273225 .5158079 1.272273 0 9 -------------+-------------------------------------------------------- mracehisp | 4273225 5.275698 2.152844 1 9 mar | 4273225 1.384708 .4865263 1 2 mar_imp | 1627 1 0 1 1 meduc | 2080152 3.851118 1.84026 1 9 dmeduc | 2193073 14.12017 9.818787 0 99 -------------+-------------------------------------------------------- meduc_rec | 2193073 3.571372 1.212677 1 6 fagerpt_flg | 278897 1 0 1 1 fagecomb | 2080152 39.51849 24.11738 9 99 ufagecomb | 4273225 40.34324 24.84492 9 99 fagerec11 | 4273225 5.608872 2.567542 1 11 -------------+-------------------------------------------------------- fbrace | 2348510 20.31883 38.25012 1 99 fracerec | 4273225 2.721319 3.038893 1 9 ufhisp | 4273225 1.731475 3.194252 0 9 fracehisp | 4273225 5.766123 2.407418 1 9 frace | 2193073 19.70617 37.54754 1 99 -------------+-------------------------------------------------------- lbo_rec | 4273225 2.106024 1.320574 1 9 tbo_rec | 4273225 2.462849 1.600735 1 9 dllb_mm | 0 dllb_yy | 0 precare | 1516630 7.440585 19.85899 0 99 -------------+-------------------------------------------------------- precare_rec | 1516630 1.572569 1.009399 1 5 mpcb | 2756595 4.143096 12.72019 0 99 mpcb_rec6 | 2756595 1.657369 1.052104 1 6 mpcb_rec5 | 2756595 1.280557 .7227854 1 5 uprevis | 4273225 13.97547 15.89605 0 99 -------------+-------------------------------------------------------- previs_rec | 4273225 6.920927 2.067019 1 12 apncu | 2080152 4.775678 3.023388 1 9 wtgain | 4273225 42.86865 29.10194 0 99 wtgain_rec | 4273225 5.205253 2.685031 1 9 u_apncu | 2193073 3.117518 1.410284 1 9 -------------+-------------------------------------------------------- dfpc_imp | 91589 1 0 1 1 cig_1 | 1842653 31.67487 45.26305 0 99 cig_2 | 1842653 31.44951 45.36039 0 99 cig_3 | 1842653 31.37547 45.39621 0 99 tobuse | 2193073 1.924198 .5055368 1 9 -------------+-------------------------------------------------------- cigs | 2193073 2.048752 11.39564 0 99 cig_rec6 | 2193073 .2393732 .865352 0 6 cig_rec | 0 alcohol | 2193073 2.018586 .4227101 1 9 drinks | 2193073 .4592843 6.64594 0 99 -------------+-------------------------------------------------------- drinks_rec | 2193073 .0315215 .3646187 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 | 2080152 .4157422 5.013483 0 99 -------------+-------------------------------------------------------- urf_anemia | 2193073 1.993804 .3997841 1 9 urf_card | 2193073 2.014481 .3727984 1 9 urf_lung | 2193073 2.002724 .3885067 1 9 urf_diab | 4273225 1.979126 .4363727 1 9 urf_gen | 2193073 2.008177 .3813474 1 9 -------------+-------------------------------------------------------- urf_hydra | 2193073 2.004526 .3861642 1 9 urf_hemo | 2193073 2.01805 .3678234 1 9 urf_chyper | 4273225 2.01048 .399241 1 9 urf_phyper | 4273225 1.982327 .4328321 1 9 urf_eclam | 4273225 2.018791 .3883797 1 9 -------------+-------------------------------------------------------- urf_incerv | 2193073 2.016087 .3705719 1 9 urf_pre4000 | 2193073 2.009983 .378928 1 9 urf_preterm | 2193073 2.007149 .3827126 1 9 urf_renal | 2193073 2.015503 .3713834 1 9 urf_rh | 2193073 2.01144 .37696 1 9 -------------+-------------------------------------------------------- urf_uterine | 2193073 2.014515 .3727518 1 9 urf_other | 2193073 1.798471 .5608781 1 9 op_cerv | 0 op_tocol | 0 op_ecvs | 0 -------------+-------------------------------------------------------- op_ecvf | 0 uop_amnio | 2193073 1.998656 .3065245 1 9 uop_monit | 2193073 1.134068 .456847 1 9 uop_induc | 4273225 1.786364 .5067226 1 9 uop_stiml | 2193073 1.844347 .473329 1 9 -------------+-------------------------------------------------------- uop_tocol | 4273225 1.99591 .3279875 1 9 uop_ultra | 2193073 1.306221 .5523268 1 9 uop_other | 2193073 1.946372 .3786393 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 | 0 uld_meco | 4273225 1.967569 .3604547 1 9 uld_ruptr | 2193073 1.99484 .3417573 1 9 uld_abrup | 2193073 2.008275 .3214362 1 9 uld_prepla | 2193073 2.010508 .3178778 1 9 -------------+-------------------------------------------------------- uld_excbl | 2193073 2.007165 .3231845 1 9 uld_seiz | 2193073 2.013658 .3127623 1 9 uld_precip | 4273225 1.996563 .3777957 1 9 uld_prolg | 2193073 2.006798 .3237598 1 9 uld_dysfn | 2193073 1.984291 .3565482 1 9 -------------+-------------------------------------------------------- uld_breech | 4273225 2.123254 1.126279 1 9 uld_cephal | 2193073 2.000475 .3334502 1 9 uld_cord | 2193073 2.012451 .3147353 1 9 uld_anest | 2193073 2.013426 .3131417 1 9 uld_distr | 2193073 1.970646 .3743754 1 9 -------------+-------------------------------------------------------- uld_other | 2193073 1.846164 .4917669 1 9 me_attf | 0 me_attv | 0 me_pres | 0 me_rout | 0 -------------+-------------------------------------------------------- me_trial | 0 ume_vag | 2193073 1.349025 .7533164 1 9 ume_vbac | 2193073 2.032705 .5536284 1 9 ume_primc | 2193073 1.862191 .6775666 1 9 ume_repec | 2193073 1.922465 .6417185 1 9 -------------+-------------------------------------------------------- ume_forcep | 4273225 2.013429 .4012799 1 9 ume_vac | 4273225 1.984877 .4353506 1 9 rdmeth_rec | 2080152 1.772027 1.150407 1 9 udmeth_rec | 2193073 1.77934 1.262283 1 9 dmeth_rec | 4273225 1.337568 .6476837 1 9 -------------+-------------------------------------------------------- attend | 4273225 1.236641 .6713964 1 9 apgar5 | 4273225 21.06692 30.85868 0 99 apgar5r | 4273225 4.016181 .5466639 1 5 dplural | 4273225 1.035294 .1939106 1 5 imp_plur | 156 1 0 1 1 -------------+-------------------------------------------------------- sex | 0 imp_sex | 77 1 0 1 1 dlmp_mm | 4273225 11.02483 19.98992 1 99 dlmp_dd | 4273225 23.19293 26.10189 1 99 dlmp_yy | 4273225 2370.794 1669.859 2004 9999 -------------+-------------------------------------------------------- estgest | 4273225 46.54369 20.7446 3 99 combgest | 4273225 38.89419 5.332346 17 99 gestrec10 | 4273225 6.354861 1.179163 1 10 gestrec3 | 4273225 1.878826 .3442861 1 3 obgest_flg | 206713 1 0 1 1 -------------+-------------------------------------------------------- gest_imp | 204691 1 0 1 1 dbwt | 4273225 3272.024 636.4083 227 9999 bwtr12 | 4273225 7.035365 1.233169 1 12 bwtr4 | 4273225 2.903805 .3447025 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 | 2193073 2.026601 .4415871 1 9 uab_injury | 2193073 2.024139 .4445058 1 9 uab_alcoh | 2193073 2.027752 .4402104 1 9 uab_hyal | 2193073 2.021546 .4475461 1 9 -------------+-------------------------------------------------------- uab_mecon | 2193073 2.026489 .4417203 1 9 uab_venl30 | 2193073 2.012092 .4583328 1 9 uab_ven30m | 2193073 2.018118 .4515093 1 9 uab_nseiz | 2193073 2.027309 .4407407 1 9 uab_other | 2193073 1.979428 .4923984 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 | 4273225 2.083414 .76017 1 9 uca_spina | 4273225 2.083353 .7602162 1 9 uca_hydro | 2193073 2.131806 .9522972 1 9 -------------+-------------------------------------------------------- uca_micro | 2193073 2.131951 .9522009 1 9 uca_nerv | 2193073 2.131746 .9523374 1 9 uca_heart | 2193073 2.130451 .9531952 1 9 uca_circ | 2193073 2.13062 .953083 1 9 uca_rectal | 2193073 2.131918 .952223 1 9 -------------+-------------------------------------------------------- uca_trach | 2193073 2.131916 .9522242 1 9 uca_ompha | 4273225 2.083182 .7603478 1 9 uca_gastro | 2193073 2.13165 .9524006 1 9 uca_genital | 2193073 2.131086 .9527744 1 9 uca_renal | 2193073 2.131861 .9522612 1 9 -------------+-------------------------------------------------------- uca_urogen | 2193073 2.130827 .9529459 1 9 uca_cleftlp | 4273225 2.082756 .7606741 1 9 uca_adactyly | 2193073 2.131141 .9527385 1 9 uca_clubft | 2193073 2.131362 .9525917 1 9 uca_hernia | 2193073 2.131883 .952246 1 9 -------------+-------------------------------------------------------- uca_muscu | 2193073 2.129285 .953965 1 9 uca_downs | 4273225 2.083038 .7604578 1 9 uca_chromo | 2193073 2.131687 .9523761 1 9 uca_other | 2193073 2.127867 .9548992 1 9 f_morigin | 4273225 .9982154 .0422068 0 1 -------------+-------------------------------------------------------- f_forigin | 4273225 .9982154 .0422068 0 1 f_meduc | 4273225 .4852038 .4997811 0 1 f_clinest | 4273225 .8665958 .3400111 0 1 f_apgar5 | 4273225 .8665958 .3400111 0 1 f_tobaco | 4273225 .2981689 .4574541 0 1 -------------+-------------------------------------------------------- f_rf_pdiab | 4273225 .4852038 .4997811 0 1 f_rf_gdiab | 4273225 .4852038 .4997811 0 1 f_rf_phyper | 4273225 .4852038 .4997811 0 1 f_rf_ghyper | 4273225 .4852038 .4997811 0 1 f_rf_eclamp | 4273225 .3701495 .4828446 0 1 -------------+-------------------------------------------------------- f_rf_ppb | 4273225 .4852038 .4997811 0 1 f_rf_ppo | 4273225 .4852038 .4997811 0 1 f_rf_cesar | 4273225 .4852038 .4997811 0 1 f_rf_ncesar | 4273225 .4852038 .4997811 0 1 f_ob_cervic | 4273225 .4852038 .4997811 0 1 -------------+-------------------------------------------------------- f_ob_toco | 4273225 .4852038 .4997811 0 1 f_ob_succ | 4273225 .4852038 .4997811 0 1 f_ob_fail | 4273225 .4852038 .4997811 0 1 f_on_rupture | 4273225 .4852038 .4997811 0 1 f_on_precip | 4273225 .4852038 .4997811 0 1 -------------+-------------------------------------------------------- f_on_prolong | 4273225 .4852038 .4997811 0 1 f_ld_induct | 4273225 .4852038 .4997811 0 1 f_ld_augment | 4273225 .4852038 .4997811 0 1 f_ld_nvrtx | 4273225 .4852038 .4997811 0 1 f_ld_stero~s | 4273225 .4852038 .4997811 0 1 -------------+-------------------------------------------------------- f_ld_antibio | 4273225 .4852038 .4997811 0 1 f_ld_chorio | 4273225 .4852038 .4997811 0 1 f_ld_mecon | 4273225 .4852038 .4997811 0 1 f_ld_fintol | 4273225 .4852038 .4997811 0 1 f_ld_anesth | 4273225 .4852038 .4997811 0 1 -------------+-------------------------------------------------------- f_md_attfor | 4273225 .4852038 .4997811 0 1 f_md_attvac | 4273225 .4852038 .4997811 0 1 f_md_present | 4273225 .4852038 .4997811 0 1 f_md_route | 4273225 .4852038 .4997811 0 1 f_md_trial | 4273225 .4852038 .4997811 0 1 -------------+-------------------------------------------------------- f_ab_vent | 4273225 .4852038 .4997811 0 1 f_ab_vent6 | 4273225 .4852038 .4997811 0 1 f_ab_nicu | 4273225 .4852038 .4997811 0 1 f_ab_surfac | 4273225 .4852038 .4997811 0 1 f_ab_antibio | 4273225 .4852038 .4997811 0 1 -------------+-------------------------------------------------------- f_ab_seiz | 4273225 .4852038 .4997811 0 1 f_ab_inj | 4273225 .4852038 .4997811 0 1 f_ca_anen | 4273225 .4852038 .4997811 0 1 f_ca_menin | 4273225 .4852038 .4997811 0 1 f_ca_heart | 4273225 .4852038 .4997811 0 1 -------------+-------------------------------------------------------- f_ca_hernia | 4273225 .4852038 .4997811 0 1 f_ca_ompha | 4273225 .4852038 .4997811 0 1 f_ca_gastro | 4273225 .4852038 .4997811 0 1 f_ca_limb | 4273225 .4852038 .4997811 0 1 f_ca_cleftlp | 4273225 .4852038 .4997811 0 1 -------------+-------------------------------------------------------- f_ca_cleft | 4273225 .4852038 .4997811 0 1 f_ca_downs | 4273225 .4852038 .4997811 0 1 f_ca_chrom | 4273225 .4852038 .4997811 0 1 f_ca_hypos | 4273225 .4852038 .4997811 0 1 f_med | 4273225 .5130116 .4998307 0 1 -------------+-------------------------------------------------------- f_wtgain | 4273225 .8665958 .3400111 0 1 f_alcol | 4273225 .5130116 .4998307 0 1 f_api | 4273225 .1464023 .3535091 0 1 f_tobac | 4273225 .5130116 .4998307 0 1 f_mpcb | 4273225 .3535842 .4780821 0 1 -------------+-------------------------------------------------------- f_mpcb_u | 4273225 .6446312 .478625 0 1 f_urf_anemia | 4273225 .5130116 .4998307 0 1 f_urf_card~c | 4273225 .5130116 .4998307 0 1 f_urf_lung | 4273225 .5130116 .4998307 0 1 f_urf_diab~s | 4273225 .9982154 .0422068 0 1 -------------+-------------------------------------------------------- f_urf_herpes | 4273225 .5130116 .4998307 0 1 f_urf_hydra | 4273225 .5130116 .4998307 0 1 f_urf_hemo | 4273225 .5130116 .4998307 0 1 f_urf_chyper | 4273225 .9982154 .0422068 0 1 f_urf_phyper | 4273225 .9982154 .0422068 0 1 -------------+-------------------------------------------------------- f_urf_eclamp | 4273225 .8831611 .3212283 0 1 f_urf_ince~x | 4273225 .5130116 .4998307 0 1 f_urf_p~4000 | 4273225 .5130116 .4998307 0 1 f_urf_pret~m | 4273225 .5130116 .4998307 0 1 f_urf_renal | 4273225 .5130116 .4998307 0 1 -------------+-------------------------------------------------------- f_urf_rh | 4273225 .5130116 .4998307 0 1 f_urf_uter~e | 4273225 .5130116 .4998307 0 1 f_urf_othe~r | 4273225 .5130116 .4998307 0 1 f_uob_amnio | 4273225 .5130116 .4998307 0 1 f_uob_moni~r | 4273225 .5130116 .4998307 0 1 -------------+-------------------------------------------------------- f_uob_induct | 4273225 .9982154 .0422068 0 1 f_uob_stimul | 4273225 .5130116 .4998307 0 1 f_uob_tocol | 4273225 .9982154 .0422068 0 1 f_uob_ultras | 4273225 .5130116 .4998307 0 1 f_uob_othe~b | 4273225 .5130116 .4998307 0 1 -------------+-------------------------------------------------------- f_uld_febr~e | 4273225 .5130116 .4998307 0 1 f_uld_meco~m | 4273225 .9982154 .0422068 0 1 f_uld_rupt~e | 4273225 .5130116 .4998307 0 1 f_uld_abru~o | 4273225 .5130116 .4998307 0 1 f_uld_prep~e | 4273225 .5130116 .4998307 0 1 -------------+-------------------------------------------------------- f_uld_exce~d | 4273225 .5130116 .4998307 0 1 f_uld_seiz~e | 4273225 .5130116 .4998307 0 1 f_uld_precip | 4273225 .9982154 .0422068 0 1 f_uld_prolg | 4273225 .5130116 .4998307 0 1 f_uld_dysf~c | 4273225 .5130116 .4998307 0 1 -------------+-------------------------------------------------------- f_uld_breech | 4273225 .9982154 .0422068 0 1 f_uld_ceph~o | 4273225 .5130116 .4998307 0 1 f_uld_cord | 4273225 .5130116 .4998307 0 1 f_uld_anest | 4273225 .5130116 .4998307 0 1 f_uld_distr | 4273225 .5130116 .4998307 0 1 -------------+-------------------------------------------------------- f_uld_other | 4273225 .5130116 .4998307 0 1 f_u_vag | 4273225 .5130116 .4998307 0 1 f_u_vbac | 4273225 .5130116 .4998307 0 1 f_u_primc | 4273225 .5130116 .4998307 0 1 f_u_repec | 4273225 .5130116 .4998307 0 1 -------------+-------------------------------------------------------- f_u_forcep | 4273225 .9982154 .0422068 0 1 f_u_vac | 4273225 .9982154 .0422068 0 1 f_uab_anemia | 4273225 .5130116 .4998307 0 1 f_uab_injury | 4273225 .5130116 .4998307 0 1 f_uab_alco~n | 4273225 .4960829 .4999847 0 1 -------------+-------------------------------------------------------- f_uab_hyal~e | 4273225 .5130116 .4998307 0 1 f_uab_meco~n | 4273225 .5130116 .4998307 0 1 f_uab_venl30 | 4273225 .4849567 .4997737 0 1 f_uab_ven30m | 4273225 .4849567 .4997737 0 1 f_uab_seiz | 4273225 .5130116 .4998307 0 1 -------------+-------------------------------------------------------- f_uab_othe~b | 4273225 .5130116 .4998307 0 1 f_uca_anen | 4273225 .9912099 .0933425 0 1 f_uca_spina | 4273225 .9912099 .0933425 0 1 f_uca_hydro | 4273225 .5060061 .499964 0 1 f_uca_micr~e | 4273225 .5060061 .499964 0 1 -------------+-------------------------------------------------------- f_uca_nerv~s | 4273225 .5060061 .499964 0 1 f_uca_heart | 4273225 .5060061 .499964 0 1 f_uca_circul | 4273225 .5060061 .499964 0 1 f_uca_rectal | 4273225 .5060061 .499964 0 1 f_uca_trac~o | 4273225 .5060061 .499964 0 1 -------------+-------------------------------------------------------- f_uca_omph~o | 4273225 .9912099 .0933425 0 1 f_uca_gastro | 4273225 .5060061 .499964 0 1 f_uca_geni~l | 4273225 .5060061 .499964 0 1 f_uca_rena~g | 4273225 .5060061 .499964 0 1 f_uca_urogen | 4273225 .5060061 .499964 0 1 -------------+-------------------------------------------------------- f_uca_clef~p | 4273225 .9912099 .0933425 0 1 f_uca_adac~l | 4273225 .5060061 .499964 0 1 f_uca_club | 4273225 .5060061 .499964 0 1 f_uca_hernia | 4273225 .5060061 .499964 0 1 f_uca_musc~o | 4273225 .5060061 .499964 0 1 -------------+-------------------------------------------------------- f_uca_downs | 4273225 .9912099 .0933425 0 1 f_uca_chromo | 4273225 .5060061 .499964 0 1 f_uca_othr~n | 4273225 .5060061 .499964 0 1 by Jean Roth , jroth@nber.org , 22 Dec 2015