Summary statistics for nhamcsopd1993 dataset : by Jean Roth , jroth@nber.org , 28 Mar 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- vmonth | 28,357 6.501393 3.411348 1 12 vday | 28,357 15.53793 8.576082 1 31 vyear | 28,357 92.98826 .1077295 92 93 age | 28,357 36.51134 23.77283 0 99 sex | 28,357 1.37571 .4843141 1 2 -------------+--------------------------------------------------------- race | 28,357 1.346264 .5582527 1 4 ethnic | 28,357 1.862644 .3442287 1 2 privins | 28,357 .2465 .4309806 0 1 medicare | 28,357 .1674719 .3734032 0 1 medicaid | 28,357 .3558557 .4787802 0 1 -------------+--------------------------------------------------------- othgovt | 28,357 .0425644 .2018766 0 1 hmo | 28,357 .067955 .2516731 0 1 selfpay | 28,357 .1279402 .3340291 0 1 nocharge | 28,357 .022252 .1475046 0 1 othpay | 28,357 .0480305 .2138344 0 1 -------------+--------------------------------------------------------- unkpay | 28,357 .0272948 .1629441 0 1 refer | 28,357 1.759742 .4272477 1 2 rfv1 | 28,357 32321.93 20836.43 10050 90000 rfv2 | 28,357 73118.67 30159.3 10050 90000 rfv3 | 28,357 84562.35 19071.77 10050 90000 -------------+--------------------------------------------------------- rfv13d | 28,357 3232.164 2083.662 1005 9000 rfv23d | 28,357 7311.856 3015.951 1005 9000 rfv33d | 28,357 8456.231 1907.189 1005 9000 diag1 | 28,357 180554.1 112843.2 100710 900000 diag2 | 28,357 656639 347284.4 100200 900000 -------------+--------------------------------------------------------- diag3 | 28,357 816494.2 234964.3 100850 900000 diag13d | 28,357 1805.11 1128.511 1007 9000 diag23d | 28,357 6566.23 3473.071 1002 9000 diag33d | 28,357 8164.889 2349.793 1008 9000 senbefor | 28,357 1.235074 .4240527 1 2 -------------+--------------------------------------------------------- ifyes | 28,357 .9076771 .607713 0 2 notests | 28,357 .2275981 .4192892 0 1 blodpres | 28,357 .5600381 .4963911 0 1 urine | 28,357 .1445498 .3516526 0 1 spiromet | 28,357 .0058539 .0762881 0 1 -------------+--------------------------------------------------------- allertst | 28,357 .0020454 .0451801 0 1 hivser | 28,357 .0074408 .0859403 0 1 otherbld | 28,357 .2067214 .4049611 0 1 proc1 | 0 proc13d | 0 -------------+--------------------------------------------------------- proc12d | 0 proc1per | 28,357 .548436 .782053 0 3 proc2 | 0 proc23d | 0 proc22d | 0 -------------+--------------------------------------------------------- proc2per | 28,357 .1633812 .5024294 0 3 proc3 | 0 proc33d | 0 proc32d | 0 proc3per | 28,357 .0541313 .2952526 0 3 -------------+--------------------------------------------------------- proc4 | 0 proc43d | 0 proc42d | 0 proc4per | 28,357 .0194308 .1824866 0 3 proc5 | 0 -------------+--------------------------------------------------------- proc53d | 0 proc52d | 0 proc5per | 28,357 .0055366 .0942954 0 3 proc6 | 0 proc63d | 0 -------------+--------------------------------------------------------- proc62d | 0 proc6per | 28,357 .0014811 .0467364 0 3 nocouns | 28,357 .5326727 .4989401 0 1 exercise | 28,357 .0578693 .2335003 0 1 cholred | 28,357 .0126247 .1116504 0 1 -------------+--------------------------------------------------------- weight | 28,357 .0230631 .1501066 0 1 smokces | 28,357 .0211235 .1437987 0 1 grwthdev | 28,357 .0559298 .2297901 0 1 injprev | 28,357 .0260606 .1593183 0 1 hivtr | 28,357 .0123779 .1105672 0 1 -------------+--------------------------------------------------------- othstdtr | 28,357 .0147054 .1203729 0 1 othcoun | 28,357 .2544698 .4355704 0 1 med1 | 0 med2 | 0 med3 | 0 -------------+--------------------------------------------------------- med4 | 0 med5 | 0 med | 28,357 1.413937 .4925461 1 2 nummed | 28,357 1.277286 1.484565 0 5 nofollow | 28,357 .0508164 .2196264 0 1 -------------+--------------------------------------------------------- retprn | 28,357 .167225 .3731832 0 1 retappt | 28,357 .6461897 .4781596 0 1 telephon | 28,357 .0399196 .1957738 0 1 refphys | 28,357 .0529675 .2239726 0 1 refothph | 28,357 .0779349 .2680738 0 1 -------------+--------------------------------------------------------- admithos | 28,357 .0161865 .1261944 0 1 otherdis | 28,357 .0356878 .185514 0 1 resint | 28,357 .2683993 .4431344 0 1 staffphy | 28,357 .6269351 .4836277 0 1 otherphy | 28,357 .0431287 .2031503 0 1 -------------+--------------------------------------------------------- physasst | 28,357 .0566703 .2312156 0 1 rn | 28,357 .5261135 .4993264 0 1 lpn | 28,357 .104595 .3060362 0 1 nursaid | 28,357 .0902423 .2865336 0 1 otherprv | 28,357 .1893712 .3918101 0 1 -------------+--------------------------------------------------------- patwt | 28,357 2205.256 2825.884 12 26273 region | 28,357 2.219346 1.054076 1 4 urban | 28,357 1.075361 .2639769 1 2 ownsmg | 28,357 1.432662 .7067743 1 3 hospcode | 28,357 116.9482 66.60532 1 228 -------------+--------------------------------------------------------- clintype | 28,357 2.272384 1.394426 1 5 bdatefl | 28,357 .0201009 .1403478 0 1 sexfl | 28,357 .003068 .0553057 0 1 referfl | 28,357 .0370984 .1890063 0 1 senbefl | 28,357 .0000353 .0059384 0 1 -------------+--------------------------------------------------------- ifyesfl | 28,357 .0277886 .1643694 0 1 dispfl | 28,357 .0150227 .1216453 0 1 provfl | 28,357 .0121663 .1096299 0 1 racefl | 28,357 .0815672 .273709 0 1 ethnicfl | 28,357 .1326657 .339219 0 1 -------------+--------------------------------------------------------- vdatefl | 28,357 .0015869 .0398051 0 1 gen1 | 0 prescr1 | 16,619 1.37421 .717447 1 3 contsub1 | 16,619 5.897286 .8069706 2 7 comstat1 | 16,619 1.356821 .6382733 1 3 -------------+--------------------------------------------------------- drugcl1 | 0 drg1ing1 | 0 drg1ing2 | 0 drg1ing3 | 0 drg1ing4 | 0 -------------+--------------------------------------------------------- drg1ing5 | 0 gen2 | 0 prescr2 | 9,540 1.412998 .7177959 1 3 contsub2 | 9,540 5.84392 .7969565 2 7 comstat2 | 9,540 1.265409 .5741017 1 3 -------------+--------------------------------------------------------- drugcl2 | 0 drg2ing1 | 0 drg2ing2 | 0 drg2ing3 | 0 drg2ing4 | 0 -------------+--------------------------------------------------------- drg2ing5 | 0 gen3 | 0 prescr3 | 5,240 1.33874 .6636954 1 3 contsub3 | 5,240 5.832061 .8471924 2 7 comstat3 | 5,240 1.240076 .5686309 1 3 -------------+--------------------------------------------------------- drugcl3 | 0 drg3ing1 | 0 drg3ing2 | 0 drg3ing3 | 0 drg3ing4 | 0 -------------+--------------------------------------------------------- drg3ing5 | 0 gen4 | 0 prescr4 | 3,035 1.381549 .6937347 1 3 contsub4 | 3,035 5.860956 .8246617 2 7 comstat4 | 3,035 1.247776 .5865085 1 3 -------------+--------------------------------------------------------- drugcl4 | 0 drg4ing1 | 0 drg4ing2 | 0 drg4ing3 | 0 drg4ing4 | 0 -------------+--------------------------------------------------------- drg4ing5 | 0 gen5 | 0 prescr5 | 1,786 1.338746 .6652894 1 3 contsub5 | 1,786 5.770437 .9573186 2 7 comstat5 | 1,786 1.220605 .557647 1 3 -------------+--------------------------------------------------------- drugcl5 | 0 drg5ing1 | 0 drg5ing2 | 0 drg5ing3 | 0 drg5ing4 | 0 -------------+--------------------------------------------------------- drg5ing5 | 0 racer | 28,357 1.344007 .5494715 1 3 patcode | 28,357 71.91812 48.22638 1 280 stratm | 28,357 289.6193 99.2621 201 404 psum | 28,357 12.61107 13.80002 1 49 -------------+--------------------------------------------------------- year | 28,357 1993 0 1993 1993 subfile | 28,357 2 0 2 2 prostrat | 28,357 1.035335 .1846289 1 2 provider | 28,357 116.9482 66.60532 1 228 dept | 28,357 2 0 2 2 -------------+--------------------------------------------------------- su | 28,357 5.669323 9.031828 1 70 clinic | 28,357 4.775646 6.378111 1 38 poppsum | 28,357 .1260006 .9920477 -1 1 popsum | 28,357 -.3692915 .4826215 -1 0 popvism | 28,357 -.5630003 .4960238 -1 0 -------------+--------------------------------------------------------- popprovm | 28,357 171.7062 158.896 0 360 by Jean Roth , jroth@nber.org , 28 Mar 2016