Summary statistics for natl2003 dataset : by Jean Roth , jroth@nber.org , 22 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- revision | 0 recwt | 4096092 1 0 1 1 dob_yy | 4096092 2003 0 2003 2003 dob_mm | 4096092 6.57366 3.411194 1 12 dob_wk | 4096092 4.050318 1.843732 1 7 -------------+-------------------------------------------------------- ostate | 0 xostate | 0 ocntyfips | 4096092 232.9191 348.1075 1 999 ocntypop | 4096092 2.471981 3.03532 0 9 ubfacil | 4096092 1.022936 .2585567 1 9 -------------+-------------------------------------------------------- bfacil3 | 4096092 1.009411 .0971636 1 3 umagerpt | 3870127 93.22102 19.59086 11 99 mage_impflg | 201615 1 0 1 1 mage_repflg | 200989 1 0 1 1 mager41 | 4096092 14.44108 6.175667 1 41 -------------+-------------------------------------------------------- mager14 | 4096092 8.965502 1.555825 1 14 mager9 | 4096092 4.087156 1.267422 1 9 umbstate | 0 mbstate_rec | 4096092 1.244512 .438363 1 3 xmrstate | 0 -------------+-------------------------------------------------------- mrstate | 0 mrcntyfips | 4096092 288.0903 390.9009 1 999 mrcityfips | 4096092 80903.91 30071.39 1000 99999 cmsa | 4096092 21.73945 31.20591 0 97 msa | 4096092 3684.129 2828.25 0 9360 -------------+-------------------------------------------------------- msa_pop | 0 rcnty_pop | 0 rcity_pop | 0 metrores | 0 rectype | 4096092 1.260128 .4387045 1 2 -------------+-------------------------------------------------------- restatus | 4096092 1.28472 .5058028 1 4 mbrace | 850983 2.264632 3.885724 1 24 mrace | 3870127 3.105254 10.70956 1 78 mracerec | 4096092 1.32961 .752473 1 4 mraceimp | 0 -------------+-------------------------------------------------------- umhisp | 4096092 .4556341 1.199091 0 9 mracehisp | 4096092 5.332671 2.106233 1 9 mar | 4096092 1.346019 .4756994 1 2 mar_imp | 1825 1 0 1 1 meduc | 225965 4.198097 1.822443 1 9 -------------+-------------------------------------------------------- dmeduc | 3870127 14.00385 10.08537 0 99 meduc_rec | 3870127 3.500462 1.233076 1 6 fagerpt_flg | 15848 1 0 1 1 fagerpt | 4096092 92.33291 20.39538 12 99 ufagecomb | 4096092 39.74469 24.19136 10 99 -------------+-------------------------------------------------------- fagerec11 | 4096092 5.554192 2.508063 1 11 fbrace | 850983 11.68357 29.00207 1 99 fraceimp | 0 fracerec | 4096092 2.43452 2.810397 1 9 ufhisp | 4096092 1.600784 3.120803 0 9 -------------+-------------------------------------------------------- fracehisp | 4096092 5.801412 2.334147 1 9 frace | 3870127 17.22109 35.40201 1 99 priorlive | 4096092 1.24996 4.659741 0 99 priordead | 4096092 .2960119 5.234707 0 99 priorterm | 4096092 .6949195 5.755112 0 99 -------------+-------------------------------------------------------- lbo | 4096092 2.34473 5.381581 1 99 lbo_rec | 4096092 2.076072 1.26369 1 9 tbo | 4096092 2.811856 6.303657 1 99 tbo_rec | 4096092 2.434797 1.547502 1 9 dllb_mm | 0 -------------+-------------------------------------------------------- dllb_yy | 0 precare | 225965 22.517 38.66218 0 99 precare_rec | 225965 2.070613 1.586352 1 5 mpcb | 3870127 4.038965 12.54708 0 99 mpcb_rec6 | 3870127 1.629057 1.043364 1 6 -------------+-------------------------------------------------------- mpcb_rec5 | 3870127 1.270128 .7156586 1 5 uprevis | 4096092 14.02343 15.14175 0 99 previs_rec | 4096092 7.05185 2.006278 1 12 wtgain | 4096092 43.34201 29.16372 0 99 wtgain_rec | 4096092 5.228306 2.66911 1 9 -------------+-------------------------------------------------------- cig_0 | 225965 4.559653 14.26829 0 99 cig_1 | 225965 3.371668 13.58275 0 99 cig_2 | 225965 2.97766 13.37361 0 99 cig_3 | 225965 2.844768 13.21733 0 99 tobuse | 3870127 2.913343 2.50871 1 9 -------------+-------------------------------------------------------- cigs | 3870127 16.1485 35.64625 0 99 cig_rec6 | 3870127 1.085836 2.180838 0 6 cig_rec | 0 alcohol | 3870127 3.000767 2.46072 1 9 drinks | 3870127 14.40194 34.88938 0 99 -------------+-------------------------------------------------------- drinks_rec | 3870127 .7355955 1.764647 0 5 urf_anemia | 4096092 2.354945 1.482129 1 9 urf_card | 4096092 2.372742 1.47172 1 9 urf_lung | 4096092 2.365975 1.475712 1 9 urf_diab | 4096092 2.012538 .5826123 1 9 -------------+-------------------------------------------------------- urf_gen | 4096092 2.918601 2.18046 1 9 urf_hydra | 4096092 2.364319 1.476683 1 9 urf_hemo | 4096092 2.376533 1.469466 1 9 urf_chyper | 4096092 2.036364 .5607547 1 9 urf_phyper | 4096092 2.007967 .5866014 1 9 -------------+-------------------------------------------------------- urf_eclam | 4096092 2.042197 .5551164 1 9 urf_incerv | 4096092 2.374494 1.47068 1 9 urf_pre4000 | 4096092 2.3684 1.474286 1 9 urf_preterm | 4096092 2.366387 1.47547 1 9 urf_renal | 4096092 2.374444 1.47071 1 9 -------------+-------------------------------------------------------- urf_rh | 4096092 2.428741 1.571529 1 9 urf_uterine | 4096092 2.921793 2.17838 1 9 urf_other | 4091428 2.185123 1.548373 1 9 uop_amnio | 4096092 2.34534 1.445019 1 9 uop_monit | 4096092 1.55854 1.673097 1 9 -------------+-------------------------------------------------------- uop_induc | 4096092 1.8249 .6127778 1 9 uop_stiml | 4096092 2.204187 1.518816 1 9 uop_tocol | 4096092 2.009113 .4718037 1 9 uop_ultra | 4096092 1.728811 1.658411 1 9 uld_febr | 4096092 2.352244 1.455233 1 9 -------------+-------------------------------------------------------- uld_meco | 4096092 1.986872 .5342117 1 9 uld_ruptr | 4096092 2.346552 1.458552 1 9 uld_abrup | 4096092 2.361863 1.449557 1 9 uld_prepla | 4096092 2.363678 1.448476 1 9 uld_excbl | 4096092 2.361277 1.449905 1 9 -------------+-------------------------------------------------------- uld_seiz | 4096092 2.366522 1.446777 1 9 uld_precip | 4096092 2.017173 .5069745 1 9 uld_prolg | 4096092 2.360461 1.45039 1 9 uld_dysfn | 4096092 2.340026 1.46232 1 9 uld_breech | 4096092 2.004148 .5712007 1 9 -------------+-------------------------------------------------------- uld_cephal | 4096092 2.353142 1.454707 1 9 uld_cord | 4096092 2.365282 1.447519 1 9 uld_anest | 4096092 2.919108 2.167968 1 9 uld_distr | 4096092 2.88738 2.188408 1 9 uld_other | 4096092 2.223682 1.523256 1 9 -------------+-------------------------------------------------------- ume_vag | 4096092 1.324225 .7518017 1 9 ume_vbac | 4096092 2.033135 .5680051 1 9 ume_primc | 4096092 1.878626 .6808118 1 9 ume_repec | 4096092 1.939607 .6431235 1 9 ume_forcep | 4096092 2.031315 .5572237 1 9 -------------+-------------------------------------------------------- ume_vac | 4096092 2.001692 .5840368 1 9 dmeth_rec | 4096092 1.687164 1.118964 1 7 attend | 4096092 1.244804 .7269431 1 9 apgar5 | 4096092 29.44775 37.82066 0 99 apgar5r | 4096092 4.134231 .5830329 1 5 -------------+-------------------------------------------------------- dplural | 4096092 1.035344 .1962308 1 5 imp_plur | 72 1 0 1 1 sex | 0 imp_sex | 148 1 0 1 1 dlmp_mm | 4096092 11.14726 20.21693 1 99 -------------+-------------------------------------------------------- dlmp_dd | 4096092 23.38393 26.47099 1 99 dlmp_yy | 4096092 2386.523 1710.351 2001 9999 estgest | 4096092 46.75908 20.82774 16 99 combgest | 4096092 39.2841 6.725444 17 99 gestrec10 | 4096092 6.391699 1.289743 1 10 -------------+-------------------------------------------------------- gestrec3 | 4096092 1.888774 .3468166 1 3 obgest_flg | 188236 1 0 1 1 gest_imp | 10021 1 0 1 1 uop_other | 4096092 2.298343 1.471506 1 9 dbwt | 4096092 3296.969 633.6634 227 9999 -------------+-------------------------------------------------------- bwtr12 | 4096092 7.086579 1.241552 1 12 bwtr4 | 4096092 2.907228 .3389142 1 4 uab_anem | 4096092 2.377496 1.471838 1 9 uab_injury | 4096092 2.96677 2.218161 1 9 uab_alcoh | 4096092 2.480797 1.640541 1 9 -------------+-------------------------------------------------------- uab_hyal | 4096092 2.372708 1.474682 1 9 uab_mecon | 4096092 2.377207 1.47201 1 9 uab_venl30 | 4096092 2.533197 1.757153 1 9 uab_ven30m | 4096092 2.54419 1.750643 1 9 uab_nseiz | 4096092 2.377947 1.471569 1 9 -------------+-------------------------------------------------------- uab_other | 4096092 2.338073 1.494637 1 9 uca_anen | 4096092 2.085315 .7355771 1 9 uca_spina | 4096092 2.085243 .7356344 1 9 uca_hydro | 4091431 2.412552 1.528866 1 9 uca_micro | 4091431 2.412706 1.528774 1 9 -------------+-------------------------------------------------------- uca_nerv | 4091431 2.412562 1.52886 1 9 uca_heart | 4091431 2.411557 1.52946 1 9 uca_circ | 4091431 2.411584 1.529444 1 9 uca_rectal | 4091431 2.412686 1.528786 1 9 uca_trach | 4091431 2.412658 1.528803 1 9 -------------+-------------------------------------------------------- uca_ompha | 4096092 2.085106 .7357428 1 9 uca_gastro | 4091431 2.412451 1.528927 1 9 uca_genital | 4091431 2.412016 1.529186 1 9 uca_renal | 4091431 2.412628 1.528821 1 9 uca_urogen | 4091431 2.411918 1.529244 1 9 -------------+-------------------------------------------------------- uca_cleftlp | 4096092 2.084679 .7360829 1 9 uca_adactyly | 4091431 2.412046 1.529168 1 9 uca_clubft | 4091431 2.412222 1.529063 1 9 uca_hernia | 4091431 2.412652 1.528806 1 9 uca_muscu | 4091431 2.410819 1.529899 1 9 -------------+-------------------------------------------------------- uca_downs | 4096092 2.084968 .735853 1 9 uca_chromo | 4091431 2.412478 1.52891 1 9 uca_other | 4091428 2.414223 1.554072 1 9 f_morigin | 4096092 .9985005 .0386941 0 1 f_forigin | 4096092 .9985005 .0386941 0 1 -------------+-------------------------------------------------------- f_meduc | 4096092 .0552839 .2285336 0 1 f_clinest | 4096092 .8664241 .3401961 0 1 f_apgar5 | 4096092 .774269 .4180629 0 1 f_tobaco | 4096092 .0552839 .2285336 0 1 f_med | 4096092 .9432166 .2314283 0 1 -------------+-------------------------------------------------------- f_wtgain | 4096092 .8664241 .3401961 0 1 f_alcol | 4096092 .8111402 .3913972 0 1 f_api | 4096092 .4294457 .4949971 0 1 f_tobac | 4096092 .8111402 .3913972 0 1 f_mpcb | 4096092 .0552839 .2285336 0 1 -------------+-------------------------------------------------------- f_mpcb_u | 4096092 .9432166 .2314283 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 , 22 Dec 2015