Summary statistics for natl2011 dataset : by Jean Roth , jroth@nber.org , 22 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- revision | 0 dob_yy | 3961220 2011 0 2011 2011 dob_mm | 3961220 6.568886 3.411877 1 12 dob_tt | 3398489 1250.458 646.6962 0 9999 dob_wk | 3961220 4.056856 1.833009 1 7 -------------+-------------------------------------------------------- oterr | 0 ocntyfips | 0 ocntypop | 0 bfacil | 3398489 1.029144 .2872625 1 9 ubfacil | 3961220 1.031717 .2994021 1 9 -------------+-------------------------------------------------------- bfacil3 | 3961220 1.013015 .113624 1 3 mage_impflg | 394 1 0 1 1 mage_repflg | 101090 1 0 1 1 mager | 3961220 27.85322 6.045057 12 50 mager14 | 3961220 9.081289 1.468592 1 14 -------------+-------------------------------------------------------- mager9 | 3961220 4.171317 1.243537 1 9 mbcntry | 0 mrterr | 0 mrcnty | 0 rcnty_pop | 0 -------------+-------------------------------------------------------- rectype | 0 restatus | 3961220 1.29785 .5128228 1 4 mbrace | 3443158 1.977237 3.348774 1 24 mrace | 518062 3.244058 10.8682 1 78 mracerec | 3961220 1.37573 .8018064 1 4 -------------+-------------------------------------------------------- mraceimp | 0 umhisp | 3961220 .556683 1.370333 0 9 mracehisp | 3961220 5.403043 2.057037 1 9 mar_p | 0 mar | 3961220 1.406397 .4911604 1 2 -------------+-------------------------------------------------------- mar_imp | 1821 1 0 1 1 meduc | 3398489 4.161849 1.815407 1 9 fagerpt_flg | 90076 1 0 1 1 fagecomb | 3398489 39.74596 23.86863 10 99 ufagecomb | 3961220 39.76364 23.8728 10 99 -------------+-------------------------------------------------------- fagerec11 | 3961220 5.585035 2.479313 1 11 fbrace | 3443158 21.08297 38.72664 1 99 fracerec | 3961220 2.829811 3.092494 1 9 ufhisp | 3961220 1.701503 3.16127 0 9 fracehisp | 3961220 5.873506 2.297432 1 9 -------------+-------------------------------------------------------- feduc | 3398489 4.844415 2.414459 1 9 frace | 518062 18.27612 36.21897 1 99 priorterm | 3961220 1.431921 10.1346 0 99 lbo_rec | 3961220 2.130124 1.374556 1 9 tbo_rec | 3961220 2.527912 1.702492 1 9 -------------+-------------------------------------------------------- ilpcv_dob | 3398489 14.81272 25.99733 0 99 precare | 3398489 6.366777 17.64113 0 99 precare_rec | 3398489 1.462441 .9154107 1 5 uprevis | 3961220 14.31668 16.55693 0 99 previs_rec | 3961220 6.976593 2.06085 1 12 -------------+-------------------------------------------------------- wtgain | 3961220 33.87515 20.79759 0 99 wtgain_rec | 3961220 3.628178 1.711212 1 9 dfpc_imp | 176164 1 0 1 1 wic | 0 cig_0 | 3398489 9.114454 26.58238 0 99 -------------+-------------------------------------------------------- cig_1 | 3398489 8.519398 26.464 0 99 cig_2 | 3398489 8.308555 26.44537 0 99 cig_3 | 3398489 8.235218 26.44171 0 99 cig_rec | 0 rf_diab | 0 -------------+-------------------------------------------------------- rf_gest | 0 rf_phyp | 0 rf_ghyp | 0 rf_eclam | 0 rf_ppterm | 0 -------------+-------------------------------------------------------- rf_ppoutc | 0 rf_inftr | 0 rf_fedrg | 0 rf_artec | 0 rf_cesar | 0 -------------+-------------------------------------------------------- rf_cesarn | 3398489 .6970854 7.074102 0 99 urf_diab | 3961220 1.977214 .5285347 1 9 urf_chyper | 3961220 2.017849 .4887897 1 9 urf_phyper | 3961220 1.988234 .5183721 1 9 urf_eclam | 3961220 2.02976 .4758537 1 9 -------------+-------------------------------------------------------- ip_gono | 0 ip_syph | 0 ip_chlam | 0 ip_hepatb | 0 ip_hepatc | 0 -------------+-------------------------------------------------------- op_cerv | 0 op_tocol | 0 op_ecvs | 0 op_ecvf | 0 uop_induc | 3961220 1.792507 .5966429 1 9 -------------+-------------------------------------------------------- uop_tocol | 3961220 2.02593 .5105656 1 9 on_ruptr | 0 on_precip | 0 on_prol | 0 ld_indl | 0 -------------+-------------------------------------------------------- ld_augm | 0 ld_ster | 0 ld_anti | 0 ld_chor | 0 ld_mecs | 0 -------------+-------------------------------------------------------- ld_fint | 0 ld_anes | 0 uld_meco | 3961220 1.975254 .467716 1 9 uld_precip | 3961220 2.008225 .507039 1 9 uld_breech | 3961220 2.084622 1.011432 1 9 -------------+-------------------------------------------------------- me_pres | 0 me_rout | 0 me_trial | 0 ume_forcep | 3961220 2.009276 .3415691 1 9 ume_vac | 3961220 1.987311 .3722364 1 9 -------------+-------------------------------------------------------- rdmeth_rec | 3398489 1.81543 1.196163 1 9 dmeth_rec | 3961220 1.345096 .5933268 1 9 mm_mtr | 0 mm_plac | 0 mm_rupt | 0 -------------+-------------------------------------------------------- mm_uhyst | 0 mm_icu | 0 mm_uoper | 0 attend | 3961220 1.269162 .7283738 1 9 mtran | 0 -------------+-------------------------------------------------------- pay | 3398489 1.965188 1.586197 1 9 pay_rec | 3398489 1.831243 1.226228 1 9 apgar5 | 3961220 9.235464 6.245636 0 99 apgar5r | 3961220 3.844397 .4491439 1 5 apgar10 | 3398489 87.10803 8.867457 0 99 -------------+-------------------------------------------------------- apgar10r | 3398489 4.971068 .2884314 1 5 dplural | 3961220 1.036028 .1944743 1 5 imp_plur | 119 1 0 1 1 sex | 0 imp_sex | 61 1 0 1 1 -------------+-------------------------------------------------------- dlmp_mm | 3961220 11.56677 21.05015 1 99 dlmp_yy | 3961220 2423.154 1768.65 2009 9999 estgest | 3961220 38.63067 3.62906 17 99 combgest | 3961220 38.6925 3.283214 17 99 gestrec10 | 3961220 7.085386 3.535938 1 99 -------------+-------------------------------------------------------- gestrec3 | 3961220 1.884151 .323853 1 3 obgest_flg | 230403 1 0 1 1 gest_imp | 169351 1 0 1 1 dbwt | 3961220 3273.719 633.6771 227 9999 bwtr12 | 3961220 7.039112 1.224939 1 12 -------------+-------------------------------------------------------- bwtr4 | 3961220 2.905988 .3408442 1 4 ab_aven1 | 0 ab_aven6 | 0 ab_nicu | 0 ab_surf | 0 -------------+-------------------------------------------------------- ab_anti | 0 ab_seiz | 0 ab_binj | 0 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 | 3961220 2.058085 .6356467 1 9 uca_spina | 3961220 2.058039 .6356864 1 9 uca_ompha | 3961220 2.057806 .6358915 1 9 uca_cleftlp | 3961220 2.057507 .6361533 1 9 uca_hernia | 3961220 2.058019 .6357039 1 9 -------------+-------------------------------------------------------- uca_downs | 3961220 2.057714 .6359721 1 9 itran | 0 ilive | 0 bfed | 0 bmi | 3398489 29.42152 16.13399 13 99.9 -------------+-------------------------------------------------------- bmi_r | 3398489 3.087487 1.686411 1 9 illb_r | 3398489 427.5956 424.9323 3 999 illb_r11 | 3398489 42.44565 41.98747 0 99 ilop_r | 3398489 769.664 311.3809 3 999 ilop_r11 | 3398489 76.24857 30.88348 0 99 -------------+-------------------------------------------------------- ilp | 3398489 445.6349 439.4905 3 999 ilp_r11 | 3398489 44.3049 43.37761 0 99 pwgt_r | 3398489 183.5937 159.5467 75 999 dwgt_r | 3398489 213.4342 155.4183 100 999 m_ht_in | 3398489 64.87524 5.59001 30 99 -------------+-------------------------------------------------------- setorder_r | 3398489 8.743891 1.363591 1 9 f_morigin | 3961220 .9980791 .0437857 0 1 f_forigin | 3961220 .9980791 .0437857 0 1 f_meduc | 3961220 .8249827 .3799819 0 1 f_feduc | 3961220 .8249827 .3799819 0 1 -------------+-------------------------------------------------------- f_clinest | 3961220 .9980791 .0437857 0 1 f_apgar5 | 3961220 .9980791 .0437857 0 1 f_tobaco | 3961220 .7962017 .4028208 0 1 f_m_ht | 3961220 .8249827 .3799819 0 1 f_pwgt | 3961220 .8249827 .3799819 0 1 -------------+-------------------------------------------------------- f_dwgt | 3961220 .8249827 .3799819 0 1 f_wic | 3961220 .8249827 .3799819 0 1 f_pay | 3961220 .5134395 .4998194 0 1 f_bfed | 3961220 .695382 .4602455 0 1 f_rf_pdiab | 3961220 .8249827 .3799819 0 1 -------------+-------------------------------------------------------- f_rf_gdiab | 3961220 .8249827 .3799819 0 1 f_rf_phyper | 3961220 .8249827 .3799819 0 1 f_rf_ghyper | 3961220 .8249827 .3799819 0 1 f_rf_eclamp | 3961220 .6472766 .4778176 0 1 f_rf_ppb | 3961220 .8249827 .3799819 0 1 -------------+-------------------------------------------------------- f_rf_ppo | 3961220 .8249827 .3799819 0 1 f_rf_inft | 3961220 .8249827 .3799819 0 1 f_rf_inft_~g | 3961220 .6741724 .4686833 0 1 f_rf_inf_art | 3961220 .6741724 .4686833 0 1 f_rf_cesar | 3961220 .8249827 .3799819 0 1 -------------+-------------------------------------------------------- f_rf_ncesar | 3961220 .8249827 .3799819 0 1 f_ip_gonor | 3961220 .8249827 .3799819 0 1 f_ip_syph | 3961220 .8249827 .3799819 0 1 f_ip_chlam | 3961220 .8249827 .3799819 0 1 f_ip_hepatb | 3961220 .8249827 .3799819 0 1 -------------+-------------------------------------------------------- f_ip_hepatc | 3961220 .8249827 .3799819 0 1 f_ob_cervic | 3961220 .8249827 .3799819 0 1 f_ob_toco | 3961220 .8221409 .3823941 0 1 f_ob_succ | 3961220 .6819409 .4657226 0 1 f_ob_fail | 3961220 .6819409 .4657226 0 1 -------------+-------------------------------------------------------- f_on_rupture | 3961220 .8221409 .3823941 0 1 f_on_precip | 3961220 .8221409 .3823941 0 1 f_on_prolong | 3961220 .8221409 .3823941 0 1 f_ld_induct | 3961220 .8249827 .3799819 0 1 f_ld_augment | 3961220 .8249827 .3799819 0 1 -------------+-------------------------------------------------------- f_ld_stero~s | 3961220 .8221409 .3823941 0 1 f_ld_antibio | 3961220 .8249827 .3799819 0 1 f_ld_chorio | 3961220 .8249827 .3799819 0 1 f_ld_mecon | 3961220 .8221409 .3823941 0 1 f_ld_fintol | 3961220 .8221409 .3823941 0 1 -------------+-------------------------------------------------------- f_ld_anesth | 3961220 .8249827 .3799819 0 1 f_md_present | 3961220 .8249827 .3799819 0 1 f_md_route | 3961220 .8249827 .3799819 0 1 f_md_trial | 3961220 .8249827 .3799819 0 1 f_mm_mtrans | 3961220 .8221409 .3823941 0 1 -------------+-------------------------------------------------------- f_mm_lacer | 3961220 .8221409 .3823941 0 1 f_mm_ruptur | 3961220 .8221409 .3823941 0 1 f_mm_uhystr | 3961220 .8221409 .3823941 0 1 f_mm_icu | 3961220 .8221409 .3823941 0 1 f_mm_or | 3961220 .8221409 .3823941 0 1 -------------+-------------------------------------------------------- f_ab_vent | 3961220 .8221409 .3823941 0 1 f_ab_vent6 | 3961220 .8221409 .3823941 0 1 f_ab_nicu | 3961220 .8249827 .3799819 0 1 f_ab_surfac | 3961220 .8221409 .3823941 0 1 f_ab_antibio | 3961220 .8221409 .3823941 0 1 -------------+-------------------------------------------------------- f_ab_seiz | 3961220 .8221409 .3823941 0 1 f_ab_inj | 3961220 .8221409 .3823941 0 1 f_ca_anen | 3961220 .8249827 .3799819 0 1 f_ca_menin | 3961220 .8249827 .3799819 0 1 f_ca_heart | 3961220 .8249827 .3799819 0 1 -------------+-------------------------------------------------------- f_ca_hernia | 3961220 .8117868 .3908824 0 1 f_ca_ompha | 3961220 .8249827 .3799819 0 1 f_ca_gastro | 3961220 .8249827 .3799819 0 1 f_ca_limb | 3961220 .8249827 .3799819 0 1 f_ca_cleftlp | 3961220 .8249827 .3799819 0 1 -------------+-------------------------------------------------------- f_ca_cleft | 3961220 .8249827 .3799819 0 1 f_ca_downs | 3961220 .8249827 .3799819 0 1 f_ca_chrom | 3961220 .8249827 .3799819 0 1 f_ca_hypos | 3961220 .8249827 .3799819 0 1 f_wtgain | 3961220 .9980791 .0437857 0 1 -------------+-------------------------------------------------------- f_api | 0 f_mar_g | 3961220 .8249827 .3799819 0 1 f_mar_p | 3961220 .7888378 .4081333 0 1 f_mpcb | 3961220 .8249827 .3799819 0 1 f_tpcv | 3961220 .9980791 .0437857 0 1 -------------+-------------------------------------------------------- f_cigs_0 | 3961220 .7962017 .4028208 0 1 f_cigs_1 | 3961220 .7962017 .4028208 0 1 f_cigs_2 | 3961220 .7962017 .4028208 0 1 f_cigs_3 | 3961220 .7962017 .4028208 0 1 f_facility | 3961220 .8249827 .3799819 0 1 -------------+-------------------------------------------------------- f_pay_rec | 3961220 .8249827 .3799819 0 1 f_rdmeth_rec | 3961220 .8249827 .3799819 0 1 f_urf_diab~s | 3961220 .9980791 .0437857 0 1 f_urf_chyper | 3961220 .9980791 .0437857 0 1 f_urf_phyper | 3961220 .9980791 .0437857 0 1 -------------+-------------------------------------------------------- f_urf_eclamp | 3961220 .820373 .3838765 0 1 f_ilpcv_dob | 0 f_uob_induct | 3961220 .9980791 .0437857 0 1 f_uob_tocol | 3961220 .9854638 .1196866 0 1 f_uld_meco~m | 3961220 .9952373 .0688476 0 1 -------------+-------------------------------------------------------- f_uld_precip | 3961220 .9952373 .0688476 0 1 f_uld_breech | 3961220 .9980791 .0437857 0 1 f_u_forcep | 3961220 .9980791 .0437857 0 1 f_u_vac | 3961220 .9980791 .0437857 0 1 f_uca_anen | 3961220 .9980791 .0437857 0 1 -------------+-------------------------------------------------------- f_uca_spina | 3961220 .9980791 .0437857 0 1 f_uca_omph~o | 3961220 .9980791 .0437857 0 1 f_uca_clef~p | 3961220 .9980791 .0437857 0 1 f_uca_hernia | 3961220 .9980791 .0437857 0 1 f_uca_downs | 3961220 .9980791 .0437857 0 1 by Jean Roth , jroth@nber.org , 22 Dec 2015