Summary statistics for natl2010 dataset : by Jean Roth , jroth@nber.org , 22 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- revision | 0 dob_yy | 4007105 2010 0 2010 2010 dob_mm | 4007105 6.57306 3.425317 1 12 dob_tt | 3101037 1254.149 653.3085 0 9999 dob_wk | 4007105 4.044553 1.826709 1 7 -------------+-------------------------------------------------------- oterr | 0 ocntyfips | 0 ocntypop | 0 bfacil | 3101037 1.027798 .2812213 1 9 ubfacil | 4007105 1.029981 .2938974 1 9 -------------+-------------------------------------------------------- bfacil3 | 4007105 1.012242 .110607 1 3 mage_impflg | 380 1 0 1 1 mage_repflg | 101211 1 0 1 1 mager | 4007105 27.68506 6.103451 12 50 mager14 | 4007105 9.035196 1.501576 1 14 -------------+-------------------------------------------------------- mager9 | 4007105 4.136451 1.255302 1 9 mbcntry | 0 mrterr | 0 mrcnty | 0 rcnty_pop | 0 -------------+-------------------------------------------------------- rectype | 0 restatus | 4007105 1.296961 .5127173 1 4 mbrace | 3200097 1.947369 3.294459 1 24 mrace | 807008 3.423441 11.90397 1 78 mracerec | 4007105 1.367204 .7909699 1 4 -------------+-------------------------------------------------------- mraceimp | 0 umhisp | 4007105 .5522887 1.354174 0 9 mracehisp | 4007105 5.370149 2.08197 1 9 mar_p | 0 mar | 4007105 1.408171 .4914952 1 2 -------------+-------------------------------------------------------- mar_imp | 2182 1 0 1 1 meduc | 3101037 4.084489 1.82332 1 9 fagerpt_flg | 93103 1 0 1 1 fagecomb | 3101037 39.75607 24.08353 9 99 ufagecomb | 4007105 40.14131 24.40366 10 99 -------------+-------------------------------------------------------- fagerec11 | 4007105 5.60802 2.526917 1 11 fbrace | 3200097 20.79008 38.52345 1 99 fracerec | 4007105 2.816882 3.090129 1 9 ufhisp | 4007105 1.720221 3.176363 0 9 fracehisp | 4007105 5.852984 2.327814 1 9 -------------+-------------------------------------------------------- feduc | 3101037 4.782021 2.430788 1 9 frace | 807008 20.57151 38.21079 1 99 priorterm | 4007105 1.582792 10.86838 0 99 lbo_rec | 4007105 2.126258 1.373061 1 9 tbo_rec | 4007105 2.525868 1.712187 1 9 -------------+-------------------------------------------------------- ilpcv_dob | 3101037 16.19189 27.80929 0 99 precare | 3101037 7.424822 20.09161 0 99 precare_rec | 3101037 1.514181 .9898134 1 5 uprevis | 4007105 14.70612 17.51883 0 99 previs_rec | 4007105 6.99282 2.084144 1 12 -------------+-------------------------------------------------------- wtgain | 4007105 33.86004 20.8078 0 99 wtgain_rec | 4007105 3.624112 1.713118 1 9 dfpc_imp | 183109 1 0 1 1 wic | 0 cig_0 | 3101037 16.74832 35.62183 0 99 -------------+-------------------------------------------------------- cig_1 | 3101037 16.18061 35.66777 0 99 cig_2 | 3101037 15.97711 35.69839 0 99 cig_3 | 3101037 15.90725 35.70989 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 | 3101037 .7181204 7.250445 0 99 urf_diab | 4007105 1.9791 .5053023 1 9 urf_chyper | 4007105 2.015875 .4676968 1 9 urf_phyper | 4007105 1.985878 .4987881 1 9 urf_eclam | 4007105 2.02656 .4556335 1 9 -------------+-------------------------------------------------------- op_cerv | 0 op_tocol | 0 op_ecvs | 0 op_ecvf | 0 uop_induc | 4007105 1.790169 .5889877 1 9 -------------+-------------------------------------------------------- uop_tocol | 4007105 2.019446 .4903989 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 | 4007105 1.976202 .4641172 1 9 uld_precip | 4007105 2.008012 .5021232 1 9 uld_breech | 4007105 2.106281 1.079621 1 9 -------------+-------------------------------------------------------- me_pres | 0 me_rout | 0 me_trial | 0 ume_forcep | 4007105 2.009617 .3461792 1 9 ume_vac | 4007105 1.986693 .3777303 1 9 -------------+-------------------------------------------------------- rdmeth_rec | 3101037 1.815097 1.190968 1 9 dmeth_rec | 4007105 1.345816 .5964707 1 9 mm_mtr | 0 mm_plac | 0 mm_rupt | 0 -------------+-------------------------------------------------------- mm_uhyst | 0 mm_icu | 0 mm_uoper | 0 attend | 4007105 1.260758 .704664 1 9 mtran | 0 -------------+-------------------------------------------------------- pay | 3101037 1.993816 1.657787 1 9 pay_rec | 3101037 1.858775 1.315264 1 9 apgar5 | 4007105 9.25395 6.384985 0 99 apgar5r | 4007105 3.842457 .4505471 1 5 apgar10 | 3101037 87.10646 8.908023 0 99 -------------+-------------------------------------------------------- apgar10r | 3101037 4.971075 .2874408 1 5 dplural | 4007105 1.035976 .1945154 1 5 imp_plur | 255 1 0 1 1 sex | 0 imp_sex | 34 1 0 1 1 -------------+-------------------------------------------------------- dlmp_mm | 4007105 11.69922 21.3833 1 99 dlmp_yy | 4007105 2439.835 1804.122 2008 9999 estgest | 4007105 38.62616 3.753952 1 99 combgest | 4007105 38.66506 3.340844 17 99 gestrec10 | 4007105 7.070725 3.648013 1 99 -------------+-------------------------------------------------------- gestrec3 | 4007105 1.88168 .3270475 1 3 obgest_flg | 240825 1 0 1 1 gest_imp | 152502 1 0 1 1 dbwt | 4007105 3268.537 627.3795 227 9999 bwtr12 | 4007105 7.029934 1.222107 1 12 -------------+-------------------------------------------------------- bwtr4 | 4007105 2.905188 .3416161 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 | 4007105 2.054013 .6132391 1 9 uca_spina | 4007105 2.053967 .6132808 1 9 uca_ompha | 4007105 2.053745 .6134818 1 9 uca_cleftlp | 4007105 2.05341 .6137838 1 9 uca_hernia | 4007105 2.054001 .6132504 1 9 -------------+-------------------------------------------------------- uca_downs | 4007105 2.053643 .6135733 1 9 itran | 0 ilive | 0 bfed | 0 bmi | 3101037 29.77947 16.98621 13 99.9 -------------+-------------------------------------------------------- bmi_r | 3101037 3.112278 1.740817 1 9 illb_r | 3101037 430.0908 425.5727 3 999 illb_r11 | 3101037 42.69369 42.05021 0 99 ilop_r | 3101037 772.1254 308.9878 3 999 ilop_r11 | 3101037 76.49544 30.6408 0 99 -------------+-------------------------------------------------------- ilp | 3101037 447.7603 439.7574 3 999 ilp_r11 | 3101037 44.51481 43.40406 0 99 pwgt_r | 3101037 186.9297 168.6391 75 999 dwgt_r | 3101037 215.0436 160.3503 100 999 m_ht_in | 3101037 65.02847 6.076908 30 99 -------------+-------------------------------------------------------- setorder_r | 3101037 8.746107 1.357893 1 9 f_morigin | 4007105 .9980807 .0437682 0 1 f_forigin | 4007105 .9980812 .0437625 0 1 f_meduc | 4007105 .7626196 .4254773 0 1 f_feduc | 4007105 .7626196 .4254773 0 1 -------------+-------------------------------------------------------- f_clinest | 4007105 .9980812 .0437625 0 1 f_apgar5 | 4007105 .9980812 .0437625 0 1 f_tobaco | 4007105 .6470579 .477885 0 1 f_m_ht | 4007105 .7626196 .4254773 0 1 f_pwgt | 4007105 .7626196 .4254773 0 1 -------------+-------------------------------------------------------- f_dwgt | 4007105 .7626196 .4254773 0 1 f_wic | 4007105 .7626191 .4254776 0 1 f_pay | 4007105 .480922 .499636 0 1 f_bfed | 4007105 .6324603 .4821352 0 1 f_rf_pdiab | 4007105 .7626196 .4254773 0 1 -------------+-------------------------------------------------------- f_rf_gdiab | 4007105 .7626196 .4254773 0 1 f_rf_phyper | 4007105 .7626196 .4254773 0 1 f_rf_ghyper | 4007105 .7626196 .4254773 0 1 f_rf_eclamp | 4007105 .6160979 .4863346 0 1 f_rf_ppb | 4007105 .7626196 .4254773 0 1 -------------+-------------------------------------------------------- f_rf_ppo | 4007105 .7626196 .4254773 0 1 f_rf_cesar | 4007105 .7626196 .4254773 0 1 f_rf_ncesar | 4007105 .7626196 .4254773 0 1 f_ob_cervic | 4007105 .7626196 .4254773 0 1 f_ob_toco | 4007105 .7528335 .4313644 0 1 -------------+-------------------------------------------------------- f_ob_succ | 4007105 .6562616 .4749551 0 1 f_ob_fail | 4007105 .6562616 .4749551 0 1 f_on_rupture | 4007105 .7626196 .4254773 0 1 f_on_precip | 4007105 .7626196 .4254773 0 1 f_on_prolong | 4007105 .7626196 .4254773 0 1 -------------+-------------------------------------------------------- f_ld_induct | 4007105 .7626196 .4254773 0 1 f_ld_augment | 4007105 .7626196 .4254773 0 1 f_ld_stero~s | 4007105 .7597837 .4272148 0 1 f_ld_antibio | 4007105 .7626196 .4254773 0 1 f_ld_chorio | 4007105 .7626196 .4254773 0 1 -------------+-------------------------------------------------------- f_ld_mecon | 4007105 .7626196 .4254773 0 1 f_ld_fintol | 4007105 .7626196 .4254773 0 1 f_ld_anesth | 4007105 .7626196 .4254773 0 1 f_md_present | 4007105 .7626196 .4254773 0 1 f_md_route | 4007105 .7626196 .4254773 0 1 -------------+-------------------------------------------------------- f_md_trial | 4007105 .7626196 .4254773 0 1 f_mm_mtrans | 4007105 .7626196 .4254773 0 1 f_mm_lacer | 4007105 .7413661 .437884 0 1 f_mm_ruptur | 4007105 .7626196 .4254773 0 1 f_mm_uhystr | 4007105 .7626196 .4254773 0 1 -------------+-------------------------------------------------------- f_mm_icu | 4007105 .7626196 .4254773 0 1 f_mm_or | 4007105 .7626196 .4254773 0 1 f_ab_vent | 4007105 .7626196 .4254773 0 1 f_ab_vent6 | 4007105 .7626196 .4254773 0 1 f_ab_nicu | 4007105 .7626196 .4254773 0 1 -------------+-------------------------------------------------------- f_ab_surfac | 4007105 .7626196 .4254773 0 1 f_ab_antibio | 4007105 .7626196 .4254773 0 1 f_ab_seiz | 4007105 .7626196 .4254773 0 1 f_ab_inj | 4007105 .7626196 .4254773 0 1 f_ca_anen | 4007105 .7626196 .4254773 0 1 -------------+-------------------------------------------------------- f_ca_menin | 4007105 .7626196 .4254773 0 1 f_ca_heart | 4007105 .7626196 .4254773 0 1 f_ca_hernia | 4007105 .7626196 .4254773 0 1 f_ca_ompha | 4007105 .7626196 .4254773 0 1 f_ca_gastro | 4007105 .7626196 .4254773 0 1 -------------+-------------------------------------------------------- f_ca_limb | 4007105 .7626196 .4254773 0 1 f_ca_cleftlp | 4007105 .7626196 .4254773 0 1 f_ca_cleft | 4007105 .7626196 .4254773 0 1 f_ca_downs | 4007105 .7626196 .4254773 0 1 f_ca_chrom | 4007105 .7626196 .4254773 0 1 -------------+-------------------------------------------------------- f_ca_hypos | 4007105 .7626196 .4254773 0 1 f_wtgain | 4007105 .9980812 .0437625 0 1 f_api | 0 f_mar_g | 4007105 .7626196 .4254773 0 1 f_mar_p | 4007105 .7268529 .4455758 0 1 -------------+-------------------------------------------------------- f_mpcb | 4007105 .7626196 .4254773 0 1 f_tpcv | 4007105 .9980812 .0437625 0 1 f_cigs_0 | 4007105 .6470579 .477885 0 1 f_cigs_1 | 4007105 .6470579 .477885 0 1 f_cigs_2 | 4007105 .6470579 .477885 0 1 -------------+-------------------------------------------------------- f_cigs_3 | 4007105 .6470579 .477885 0 1 f_facility | 4007105 .7626196 .4254773 0 1 f_pay_rec | 4007105 .7626196 .4254773 0 1 f_rdmeth_rec | 4007105 .7626196 .4254773 0 1 f_urf_diab~s | 4007105 .9980812 .0437625 0 1 -------------+-------------------------------------------------------- f_urf_chyper | 4007105 .9980812 .0437625 0 1 f_urf_phyper | 4007105 .9980812 .0437625 0 1 f_urf_eclamp | 4007105 .8214387 .3829846 0 1 f_ilpcv_dob | 0 f_uob_induct | 4007105 .9980812 .0437625 0 1 -------------+-------------------------------------------------------- f_uob_tocol | 4007105 .9952185 .0689829 0 1 f_uld_meco~m | 4007105 .9980812 .0437625 0 1 f_uld_precip | 4007105 .9980812 .0437625 0 1 f_uld_breech | 4007105 .9980812 .0437625 0 1 f_u_forcep | 4007105 .9980812 .0437625 0 1 -------------+-------------------------------------------------------- f_u_vac | 4007105 .9980812 .0437625 0 1 f_uca_anen | 4007105 .9980812 .0437625 0 1 f_uca_spina | 4007105 .9980812 .0437625 0 1 f_uca_omph~o | 4007105 .9980812 .0437625 0 1 f_uca_clef~p | 4007105 .9980812 .0437625 0 1 -------------+-------------------------------------------------------- f_uca_hernia | 4007105 .9980812 .0437625 0 1 f_uca_downs | 4007105 .9980812 .0437625 0 1 by Jean Roth , jroth@nber.org , 22 Dec 2015