Summary statistics for natl2013 dataset : by Jean Roth , jroth@nber.org , 22 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- revision | 0 dob_yy | 3940764 2013 0 2013 2013 dob_mm | 3940764 6.595149 3.424956 1 12 dob_tt | 3564417 1243.207 638.9958 0 9999 dob_wk | 3940764 4.04238 1.843763 1 7 -------------+-------------------------------------------------------- oterr | 0 ocntyfips | 0 ocntypop | 0 bfacil | 3564417 1.032328 .3026055 1 9 ubfacil | 3940764 1.035244 .3146666 1 9 -------------+-------------------------------------------------------- bfacil3 | 3940764 1.014611 .120248 1 3 mage_impflg | 375 1 0 1 1 mage_repflg | 157 1 0 1 1 mager | 3940764 28.16235 5.950584 12 50 mager14 | 3940764 9.161036 1.412942 1 14 -------------+-------------------------------------------------------- mager9 | 3940764 4.232903 1.224834 1 9 mbcntry | 0 mrterr | 0 mrcnty | 0 rcnty_pop | 0 -------------+-------------------------------------------------------- rectype | 0 restatus | 3940764 1.303354 .5173321 1 4 mbrace | 3594899 2.025558 3.435584 1 24 mrace | 345865 3.27428 11.23864 1 78 mracerec | 3940764 1.386976 .8157782 1 4 -------------+-------------------------------------------------------- mraceimp | 0 umhisp | 3940764 .560083 1.382987 0 9 mracehisp | 3940764 5.431184 2.042933 1 9 mar_p | 0 mar | 3940764 1.405532 .4909947 1 2 -------------+-------------------------------------------------------- mar_imp | 1752 1 0 1 1 meduc | 3564417 4.259634 1.802966 1 9 fagerpt_flg | 1248 1 0 1 1 fagecomb | 3564417 39.66348 23.45406 12 99 ufagecomb | 0 -------------+-------------------------------------------------------- fagerec11 | 3940764 5.598375 2.434471 1 11 fbrace | 3594899 20.53354 38.26308 1 99 fracerec | 3940764 2.809527 3.066157 1 9 ufhisp | 3940764 1.668402 3.131567 0 9 fracehisp | 3940764 5.888117 2.270032 1 9 -------------+-------------------------------------------------------- feduc | 3564417 4.878266 2.373169 1 9 frace | 345865 17.86815 35.89524 1 99 priorterm | 3940764 1.218131 9.004131 0 99 lbo_rec | 3940764 2.130833 1.341115 1 9 tbo_rec | 3940764 2.540129 1.687209 1 9 -------------+-------------------------------------------------------- ilpcv_dob | 3564417 14.25105 25.71597 0 99 precare | 3564417 6.877586 18.87649 0 99 precare_rec | 3564417 1.481214 .9517698 1 5 uprevis | 3940764 13.90894 15.50928 0 99 previs_rec | 3940764 6.955437 2.048085 1 12 -------------+-------------------------------------------------------- wtgain | 3940764 33.65515 20.70927 0 99 wtgain_rec | 3940764 3.611104 1.702418 1 9 dfpc_imp | 152441 1 0 1 1 wic | 0 cig_0 | 3564417 6.153171 21.49546 0 99 -------------+-------------------------------------------------------- cig_1 | 3564417 5.64096 21.39696 0 99 cig_2 | 3564417 5.451058 21.3778 0 99 cig_3 | 3564417 5.37689 21.36405 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 | 3564417 .5274363 5.680756 0 99 urf_diab | 3940764 1.955845 .4092143 1 9 urf_chyper | 3940764 2.000323 .3534508 1 9 urf_phyper | 3940764 1.967523 .3958198 1 9 urf_eclam | 3940764 2.013059 .334696 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 | 3940764 1.779629 .4948798 1 9 -------------+-------------------------------------------------------- uop_tocol | 3940764 2.010233 .3838699 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 | 3940764 1.957395 .3398867 1 9 uld_precip | 3940764 1.990435 .4181732 1 9 uld_breech | 3940764 2.128323 1.153939 1 9 -------------+-------------------------------------------------------- me_pres | 0 me_rout | 0 me_trial | 0 ume_forcep | 3940764 2.00294 .2600948 1 9 ume_vac | 3940764 1.981689 .297612 1 9 -------------+-------------------------------------------------------- rdmeth_rec | 3564417 1.812243 1.182487 1 9 dmeth_rec | 3940764 1.336717 .5421588 1 9 mm_mtr | 0 mm_plac | 0 mm_rupt | 0 -------------+-------------------------------------------------------- mm_uhyst | 0 mm_icu | 0 mm_uoper | 0 attend | 3940764 1.279798 .7255287 1 9 mtran | 0 -------------+-------------------------------------------------------- pay | 3564417 1.930141 1.501516 1 9 pay_rec | 3564417 1.797889 1.113657 1 9 apgar5 | 3940764 9.181563 5.971656 0 99 apgar5r | 3940764 3.835703 .4595769 1 5 apgar10 | 3564417 87.03914 9.137019 0 99 -------------+-------------------------------------------------------- apgar10r | 3564417 4.969348 .2951326 1 5 dplural | 3940764 1.036147 .1941173 1 5 imp_plur | 138 1 0 1 1 sex | 0 imp_sex | 71 1 0 1 1 -------------+-------------------------------------------------------- dlmp_mm | 3940764 11.19404 20.36 1 99 dlmp_yy | 3940764 2392.524 1700.748 2011 9999 estgest | 3940764 38.62349 3.390884 17 99 combgest | 3940764 38.70332 3.10873 17 99 gestrec10 | 3940764 7.080189 3.167611 1 99 -------------+-------------------------------------------------------- gestrec3 | 3940764 1.887247 .3192414 1 3 obgest_flg | 214779 1 0 1 1 gest_imp | 105747 1 0 1 1 dbwt | 3940764 3279.245 633.2723 227 9999 bwtr12 | 3940764 7.050678 1.225533 1 12 -------------+-------------------------------------------------------- bwtr4 | 3940764 2.906953 .3388634 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 | 3940764 2.026719 .4326511 1 9 uca_spina | 3940764 2.026667 .4327144 1 9 uca_ompha | 3940764 2.026452 .4329759 1 9 uca_cleftlp | 3940764 2.026108 .4333946 1 9 uca_hernia | 3940764 2.026702 .4326721 1 9 -------------+-------------------------------------------------------- uca_downs | 3940764 2.026322 .4331345 1 9 itran | 0 ilive | 0 bfed | 0 bmi | 3564417 29.70061 16.37205 13 99.9 -------------+-------------------------------------------------------- bmi_r | 3559101 3.126185 1.707441 1 9 illb_r | 3559100 419.3854 423.0844 3 999 illb_r11 | 3559100 41.62371 41.81103 0 99 ilop_r | 3559101 765.5677 314.7157 3 999 ilop_r11 | 3559101 75.83466 31.2292 0 99 -------------+-------------------------------------------------------- ilp | 3559100 437.8226 438.2594 3 999 ilp_r11 | 3559100 43.52453 43.26206 0 99 pwgt_r | 3559101 185.9834 163.1361 75 999 dwgt_r | 3559101 210.3884 145.9316 100 999 m_ht_in | 3564417 64.87541 5.623787 30 99 -------------+-------------------------------------------------------- setorder_r | 3559101 8.740707 1.371937 1 9 f_morigin | 3940764 .9978301 .0465315 0 1 f_forigin | 3940764 .9978301 .0465315 0 1 f_meduc | 3940764 .9004744 .2993665 0 1 f_feduc | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_clinest | 3940764 .9978301 .0465315 0 1 f_apgar5 | 3940764 .9978301 .0465315 0 1 f_tobaco | 3940764 .8716756 .3344507 0 1 f_m_ht | 3940764 .9004744 .2993665 0 1 f_pwgt | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_dwgt | 3940764 .9004744 .2993665 0 1 f_wic | 3940764 .9004744 .2993665 0 1 f_pay | 3940764 .5510893 .4973831 0 1 f_bfed | 3940764 .7749391 .4176225 0 1 f_rf_pdiab | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_rf_gdiab | 3940764 .9004744 .2993665 0 1 f_rf_phyper | 3940764 .9004744 .2993665 0 1 f_rf_ghyper | 3940764 .9004744 .2993665 0 1 f_rf_eclamp | 3940764 .7889034 .4080869 0 1 f_rf_ppb | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_rf_ppo | 3940764 .9004744 .2993665 0 1 f_rf_inft | 3940764 .9004744 .2993665 0 1 f_rf_inft_~g | 3940764 .7857532 .4102988 0 1 f_rf_inf_art | 3940764 .7857532 .4102988 0 1 f_rf_cesar | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_rf_ncesar | 3940764 .9004744 .2993665 0 1 f_ip_gonor | 3940764 .9004744 .2993665 0 1 f_ip_syph | 3940764 .9004744 .2993665 0 1 f_ip_chlam | 3940764 .9004744 .2993665 0 1 f_ip_hepatb | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_ip_hepatc | 3940764 .9004744 .2993665 0 1 f_ob_cervic | 3940764 .9004744 .2993665 0 1 f_ob_toco | 3940764 .9004744 .2993665 0 1 f_ob_succ | 3940764 .9004744 .2993665 0 1 f_ob_fail | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_on_rupture | 3940764 .9004744 .2993665 0 1 f_on_precip | 3940764 .9004744 .2993665 0 1 f_on_prolong | 3940764 .9004744 .2993665 0 1 f_ld_induct | 3940764 .9004744 .2993665 0 1 f_ld_augment | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_ld_stero~s | 3940764 .9004744 .2993665 0 1 f_ld_antibio | 3940764 .9004744 .2993665 0 1 f_ld_chorio | 3940764 .9004744 .2993665 0 1 f_ld_mecon | 3940764 .9004744 .2993665 0 1 f_ld_fintol | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_ld_anesth | 3940764 .9004744 .2993665 0 1 f_md_present | 3940764 .9004744 .2993665 0 1 f_md_route | 3940764 .9004744 .2993665 0 1 f_md_trial | 3940764 .9004744 .2993665 0 1 f_mm_mtrans | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_mm_lacer | 3940764 .9004744 .2993665 0 1 f_mm_ruptur | 3940764 .9004744 .2993665 0 1 f_mm_uhystr | 3940764 .9004744 .2993665 0 1 f_mm_icu | 3940764 .9004744 .2993665 0 1 f_mm_or | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_ab_vent | 3940764 .9004744 .2993665 0 1 f_ab_vent6 | 3940764 .9004744 .2993665 0 1 f_ab_nicu | 3940764 .9004744 .2993665 0 1 f_ab_surfac | 3940764 .9004744 .2993665 0 1 f_ab_antibio | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_ab_seiz | 3940764 .9004744 .2993665 0 1 f_ab_inj | 3940764 .9004744 .2993665 0 1 f_ca_anen | 3940764 .9004744 .2993665 0 1 f_ca_menin | 3940764 .9004744 .2993665 0 1 f_ca_heart | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_ca_hernia | 3940764 .9004744 .2993665 0 1 f_ca_ompha | 3940764 .9004744 .2993665 0 1 f_ca_gastro | 3940764 .9004744 .2993665 0 1 f_ca_limb | 3940764 .9004744 .2993665 0 1 f_ca_cleftlp | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_ca_cleft | 3940764 .9004744 .2993665 0 1 f_ca_downs | 3940764 .9004744 .2993665 0 1 f_ca_chrom | 3940764 .9004744 .2993665 0 1 f_ca_hypos | 3940764 .9004744 .2993665 0 1 f_wtgain | 3940764 .9978301 .0465315 0 1 -------------+-------------------------------------------------------- f_api | 0 f_mar_g | 3940764 .9004744 .2993665 0 1 f_mar_p | 3940764 .9004744 .2993665 0 1 f_mpcb | 3940764 .9004744 .2993665 0 1 f_tpcv | 3940764 .9978301 .0465315 0 1 -------------+-------------------------------------------------------- f_cigs_0 | 3940764 .8716756 .3344507 0 1 f_cigs_1 | 3940764 .8716756 .3344507 0 1 f_cigs_2 | 3940764 .8716756 .3344507 0 1 f_cigs_3 | 3940764 .8716756 .3344507 0 1 f_facility | 3940764 .9004744 .2993665 0 1 -------------+-------------------------------------------------------- f_pay_rec | 3940764 .9004744 .2993665 0 1 f_rdmeth_rec | 3940764 .9004744 .2993665 0 1 f_urf_diab~s | 3940764 .9978301 .0465315 0 1 f_urf_chyper | 3940764 .9978301 .0465315 0 1 f_urf_phyper | 3940764 .9978301 .0465315 0 1 -------------+-------------------------------------------------------- f_urf_eclamp | 3940764 .8862591 .3174963 0 1 f_ilpcv_dob | 0 f_uob_induct | 3940764 .9978301 .0465315 0 1 f_uob_tocol | 3940764 .9978301 .0465315 0 1 f_uld_meco~m | 3940764 .9978301 .0465315 0 1 -------------+-------------------------------------------------------- f_uld_precip | 3940764 1 0 1 1 f_uld_breech | 3940764 .9978301 .0465315 0 1 f_u_forcep | 3940764 .9978301 .0465315 0 1 f_u_vac | 3940764 .9978301 .0465315 0 1 f_uca_anen | 3940764 .9945881 .0733663 0 1 -------------+-------------------------------------------------------- f_uca_spina | 3940764 .9945881 .0733663 0 1 f_uca_omph~o | 3940764 .9978301 .0465315 0 1 f_uca_clef~p | 3940764 .9978301 .0465315 0 1 f_uca_hernia | 3940764 .9978301 .0465315 0 1 f_uca_downs | 3940764 .9978301 .0465315 0 1 by Jean Roth , jroth@nber.org , 22 Dec 2015