*options obs=100 ; options nocenter ; /*------------------------------------------------ by Jean Roth Wed Nov 19 11:17:26 EST 2008 This program reads the 2001 *U.S. Unlinked Linked Birth Infant Death Birth Cohort Data Data File Report errors to jroth@nber.org This program is distributed under the GNU GPL. See end of this file and http://www.gnu.org/licenses/ for details. ----------------------------------------------- */ * The following line should contain the directory where the SAS file is to be stored ; libname library "."; * The following line should contain the complete path and name of the raw data file. On a PC, use backslashes in paths as in C:\ ; FILENAME datafile pipe "bzcat /homes/data/lbid/ftp.cdc.gov/pub/Health_Statistics/NCHS/Datasets/DVS/cohortlinkedus/LinkCO01USUnl.dat.bz2 "; * The following line should contain the name of the SAS dataset ; %let dataset = library.linkco2001us_unl; DATA &dataset ; INFILE datafile LRECL = 20000 ; attrib matchs length=3 label="Match Status"; attrib idnumber length=4 label="Infant Death Number"; attrib biryr length=4 label="Year of Birth"; attrib resstatb length=3 label="Resident Status - Birth"; attrib brstate length=3 label="Expanded State of Residence - NCHS Codes - Birth"; attrib stoccfipb length=3 label="State of Occurrence (FIPS) Birth"; attrib cntocfipb length=4 label="County of Occurrence (FIPS) Birth"; attrib stresfipb length=3 label="State of Residence (FIPS) Birth"; attrib cntyrfpb length=4 label="County of Occurrence (FIPS) Birth"; attrib plres length=4 label="Place (City) of Residence (FIPS)"; attrib mageflg length=3 label="Age of Mother Flag"; attrib dmage length=3 label="Age of Mother"; attrib mager8 length=3 label="Age of Mother Recode 8"; attrib ormoth length=3 label="Hispanic Origin of Mother"; attrib orracem length=3 label="Hispanic Origin and Race of Mother Recode"; attrib mraceimp length=3 label="Race of Mother Imputation Flag"; attrib mrace length=3 label="Race of Mother - Birth Record or for Unlinked Records Race of Decedent from Death Record"; attrib mrace3 length=3 label="Race of Mother Recode"; attrib dmeduc length=3 label="Education of Mother Detail"; attrib meduc6 length=3 label="Education of Mother Recode"; attrib dmarimp length=$1 label="Marital Status of Mother Imputation Flag"; attrib dmar length=3 label="Marital Status of Mother"; attrib mplbir length=3 label="Place of Birth of Mother"; attrib mplbirr length=3 label="Place of Birth of Mother Recode"; attrib dtotord length=3 label="Detail Total Birth Order"; attrib dlivord length=3 label="Detail Live Birth Order"; attrib mpcb length=3 label="Detail Month of Pregnancy Prenatal Care Began"; attrib mpre5 length=3 label="Month Prenatal Care Began Recode 5"; attrib nprevist length=3 label="Total Number of Prenatal Visits"; attrib adequacy length=3 label="Adequacy Of Care Recode (Kessner Index)"; attrib fagerflg length=3 label="Reported Age of Father Used Flag"; attrib dfage length=3 label="Age of Father"; attrib orfath length=3 label="Hispanic Origin of Father"; attrib orracef length=3 label="Hispanic Origin and Race of Father Recode"; attrib frace length=3 label="Race of Father"; attrib pldel length=3 label="Place or Facility of Delivery"; attrib birattnd length=3 label="Attendant at Delivery"; attrib gestestm length=3 label="Clinical Estimate of Gestation Used Flag"; attrib clingest length=3 label="Clinical Estimate of Gestation"; attrib gestimp length=3 label="Gestation Imputation Flag"; attrib gestat length=3 label="Gestation - Detail in Weeks"; attrib gestat10 length=3 label="Gestation Recode 10"; attrib cseximp length=3 label="Sex Imputation Flag"; attrib csex length=3 label="Sex"; attrib bwif length=3 label="Birth Weight Imputation Flag"; attrib dbirwt length=4 label="Birth Weight - Detail in Grams (Imputed)"; attrib birwt12 length=3 label="Birth Weight Recode 12 (Imputed)"; attrib birwt4 length=3 label="Birth Weight Recode 4 (Imputed)"; attrib plurimp length=3 label="Plurality Imputation Flag"; attrib dplural length=3 label="Plurality"; attrib fmaps length=3 label="Five Minute Apgar Score"; attrib vaginal length=3 label="Vaginal"; attrib vbac length=3 label="Vaginal Birth After previous C-section"; attrib primac length=3 label="Primary C-section"; attrib repeac length=3 label="Repeat C-section"; attrib forcep length=3 label="Forceps"; attrib vacuum length=3 label="Vacuum"; attrib delmeth5 length=3 label="Method of Delivery Recode"; attrib mrflag length=3 label="No Medical Risk Factors Reported Flag"; attrib anemia length=3 label="Anemia (Hct.<30/Hgb.<10)"; attrib cardiac length=3 label="Cardiac disease"; attrib lung length=3 label="Acute or chronic lung disease"; attrib diabetes length=3 label="Diabetes"; attrib herpes length=3 label="Genital herpes"; attrib hydra length=3 label="Hydramnios/Oligohydramnios"; attrib hemo length=3 label="Hemoglobinopathy"; attrib chyper length=3 label="Hypertension - chronic"; attrib phyper length=3 label="Hypertension - pregnancy-associated"; attrib eclamp length=3 label="Eclampsia"; attrib incervix length=3 label="Incompetent cervix"; attrib pre4000 length=3 label="Previous infant 4000+ grams"; attrib preterm length=3 label="Previous preterm or small-for-gestational-age infant"; attrib renal length=3 label="Renal disease"; attrib rh length=3 label="Rh sensitization"; attrib uterine length=3 label="Uterine bleeding"; attrib othermr length=3 label="Other Medical Risk Factors"; attrib tobacco length=3 label="Tobacco Use During Pregnancy"; attrib cigar length=3 label="Average Number of Cigarettes Per Day"; attrib cigar6 length=3 label="Average Number of Cigarettes Per Day Recode"; attrib alcohol length=3 label="Alcohol Use During Pregnancy"; attrib drink length=3 label="Average Number of Drinks Per Week"; attrib drink5 length=3 label="Average Number of Drinks Per Week Recode"; attrib wtgain length=3 label="Weight Gain During Pregnancy"; attrib wtgain9 length=3 label="Weight Gain Recode"; attrib obflag length=3 label="Obstetric Flag"; attrib amnio length=3 label="Amniocentesis"; attrib monitor length=3 label="Electronic fetal monitoring"; attrib induct length=3 label="Induction of labor"; attrib stimula length=3 label="Stimulation of labor"; attrib tocol length=3 label="Tocolysis"; attrib ultras length=3 label="Ultrasound"; attrib otherob length=3 label="Other Obstetric Procedures"; attrib fbflag length=3 label="Labor Flag"; attrib febrile length=3 label="Febrile (>100 degrees F. or 38 degrees C.)"; attrib meconium length=3 label="Meconium - moderate/heavy"; attrib rupture length=3 label="Premature rupture of membrane (>12 hours)"; attrib abruptio length=3 label="Abruptio placenta"; attrib preplace length=3 label="Placenta previa"; attrib excebld length=3 label="Other excessive bleeding"; attrib seizure length=3 label="Seizures during labor"; attrib precip length=3 label="Precipitous labor (<3 hours)"; attrib prolong length=3 label="Prolonged labor (>20 hours)"; attrib dysfunc length=3 label="Dysfunctional labor"; attrib breech length=3 label="Breech/Malpresentation"; attrib cephalo length=3 label="Cephalopelvic disproportion"; attrib cord length=3 label="Cord prolapse"; attrib anesthe length=3 label="Anesthetic complications"; attrib distress length=3 label="Fetal distress"; attrib otherlb length=3 label="Other Complication of Labor and/or Delivery"; attrib nbflag length=3 label="Newborn Flag"; attrib nanemia length=3 label="Anemia (Hct.<39/Hgb.<13)"; attrib injury length=3 label="Birth injury"; attrib alcosyn length=3 label="Fetal alcohol syndrome"; attrib hyaline length=3 label="Hyaline membrane disease"; attrib meconsyn length=3 label="Meconium aspiration syndrome"; attrib venl30 length=3 label="Assisted ventilation - less than 30 minutes"; attrib ven30m length=3 label="Assisted ventilation - 30 minutes or more"; attrib nseiz length=3 label="Seizures"; attrib otherab length=3 label="Other Abnormal Conditions of the Newborn"; attrib cgflag length=3 label="Congenital Flag"; attrib anen length=3 label="Anencephalus"; attrib spina length=3 label="Spina bifida/Meningocele"; attrib hydro length=3 label="Hydrocephalus"; attrib microce length=3 label="Microcephalus"; attrib nervous length=3 label="Other central nervous system anomalies"; attrib heart length=3 label="Heart malformations"; attrib circul length=3 label="Other circulatory/respiratory anomalies"; attrib rectal length=3 label="Rectal atresia/stenosis"; attrib tracheo length=3 label="Tracheo-esophageal fistula/Esophageal atresia"; attrib omphalo length=3 label="Omphalocele/Gastroschisis"; attrib gastro length=3 label="Other gastrointestinal anomalies"; attrib genital length=3 label="Malformed genitalia"; attrib renalage length=3 label="Renal agenesis"; attrib urogen length=3 label="Other urogenital anomalies"; attrib cleftlp length=3 label="Cleft lip/palate"; attrib adactyly length=3 label="Polydactyly/Syndactyly/Adactyly"; attrib clubfoot length=3 label="Club foot"; attrib hernia length=3 label="Diaphragmatic hernia"; attrib musculo length=3 label="Other musculoskeletal/integumental anomalies"; attrib downs length=3 label="Down's syndrome"; attrib chromo length=3 label="Other chromosomal anomalies"; attrib othercon length=3 label="Other Congenital Anomalies"; attrib origm length=3 label="Origin of mother"; attrib origf length=3 label="Origin of father"; attrib educm length=3 label="Education of mother"; attrib manner length=3 label="Manner of Death"; attrib geste length=3 label="Clinical estimate of gestation"; attrib fmapsrf length=3 label="5-minute Apgar score"; attrib delmetrf length=3 label="Method of delivery"; attrib medrsk length=3 label="Medical risk factors"; attrib tobuse length=3 label="Tobacco use"; attrib alcuse length=3 label="Alcohol use"; attrib wtgn length=3 label="Weight gain"; attrib obstrc length=3 label="Obstetric procedures"; attrib clabor length=3 label="Complications of labor and/or delivery"; attrib abnml length=3 label="Abnormal conditions of newborn"; attrib congan length=3 label="Congenital anomalies"; attrib apiflag length=3 label="Race codes 18-68 reported (beginning with 1992 data)"; attrib cdobmimp length=3 label="Month of Birth of Child Imputation Flag"; attrib birmon length=3 label="Month of Birth"; attrib weekdayb length=3 label="Day of Week Child Born"; attrib aged length=3 label="Age at Death in Days"; attrib ager5 length=3 label="Infant Age Recode 5"; attrib accidpl length=3 label="Place of Accident for Causes E850-E869 and E880-E928"; attrib ucod length=$4 label="ICD Code (10th Revision)"; attrib ucodr130 length=3 label="130 Infant Cause Recode"; attrib recwt length=5 label="Record Weight"; attrib eanum length=3 label="Number of Entity-Axis Conditions"; attrib econdp_1 length=3 label="Part/line number on certificate 1"; attrib econds_1 length=$1 label="Sequence of condition within part/line 1"; attrib enicon_1 length=$4 label="Condition code 1 (ICD 10th Revision)"; attrib econdp_2 length=3 label="Part/line number on certificate 2"; attrib econds_2 length=$1 label="Sequence of condition within part/line 2"; attrib enicon_2 length=$4 label="Condition code 2 (ICD 10th Revision)"; attrib econdp_3 length=3 label="Part/line number on certificate 3"; attrib econds_3 length=$1 label="Sequence of condition within part/line 3"; attrib enicon_3 length=$4 label="Condition code 3 (ICD 10th Revision)"; attrib econdp_4 length=3 label="Part/line number on certificate 4"; attrib econds_4 length=$1 label="Sequence of condition within part/line 4"; attrib enicon_4 length=$4 label="Condition code 4 (ICD 10th Revision)"; attrib econdp_5 length=3 label="Part/line number on certificate 5"; attrib econds_5 length=$1 label="Sequence of condition within part/line 5"; attrib enicon_5 length=$4 label="Condition code 5 (ICD 10th Revision)"; attrib econdp_6 length=3 label="Part/line number on certificate 6"; attrib econds_6 length=$1 label="Sequence of condition within part/line 6"; attrib enicon_6 length=$4 label="Condition code 6 (ICD 10th Revision)"; attrib econdp_7 length=3 label="Part/line number on certificate 7"; attrib econds_7 length=$1 label="Sequence of condition within part/line 7"; attrib enicon_7 length=$4 label="Condition code 7 (ICD 10th Revision)"; attrib econdp_8 length=3 label="Part/line number on certificate 8"; attrib econds_8 length=$1 label="Sequence of condition within part/line 8"; attrib enicon_8 length=$4 label="Condition code 8 (ICD 10th Revision)"; attrib econdp_9 length=3 label="Part/line number on certificate 9"; attrib econds_9 length=$1 label="Sequence of condition within part/line 9"; attrib enicon_9 length=$4 label="Condition code 9 (ICD 10th Revision)"; attrib econdp_10 length=3 label="Part/line number on certificate 10"; attrib econds_10 length=$1 label="Sequence of condition within part/line 10"; attrib enicon_10 length=$4 label="Condition code 10 (ICD 10th Revision)"; attrib econdp_11 length=3 label="Part/line number on certificate 11"; attrib econds_11 length=$1 label="Sequence of condition within part/line 11"; attrib enicon_11 length=$4 label="Condition code 11 (ICD 10th Revision)"; attrib econdp_12 length=3 label="Part/line number on certificate 12"; attrib econds_12 length=$1 label="Sequence of condition within part/line 12"; attrib enicon_12 length=$4 label="Condition code 12 (ICD 10th Revision)"; attrib econdp_13 length=3 label="Part/line number on certificate 13"; attrib econds_13 length=$1 label="Sequence of condition within part/line 13"; attrib enicon_13 length=$4 label="Condition code 13 (ICD 10th Revision)"; attrib econdp_14 length=3 label="Part/line number on certificate 14"; attrib econds_14 length=$1 label="Sequence of condition within part/line 14"; attrib enicon_14 length=$4 label="Condition code 14 (ICD 10th Revision)"; attrib econdp_15 length=3 label="Part/line number on certificate 15"; attrib econds_15 length=$1 label="Sequence of condition within part/line 15"; attrib enicon_15 length=$4 label="Condition code 15 (ICD 10th Revision)"; attrib econdp_16 length=3 label="Part/line number on certificate 16"; attrib econds_16 length=$1 label="Sequence of condition within part/line 16"; attrib enicon_16 length=$4 label="Condition code 16 (ICD 10th Revision)"; attrib econdp_17 length=3 label="Part/line number on certificate 17"; attrib econds_17 length=$1 label="Sequence of condition within part/line 17"; attrib enicon_17 length=$4 label="Condition code 17 (ICD 10th Revision)"; attrib econdp_18 length=3 label="Part/line number on certificate 18"; attrib econds_18 length=$1 label="Sequence of condition within part/line 18"; attrib enicon_18 length=$4 label="Condition code 18 (ICD 10th Revision)"; attrib econdp_19 length=3 label="Part/line number on certificate 19"; attrib econds_19 length=$1 label="Sequence of condition within part/line 19"; attrib enicon_19 length=$4 label="Condition code 19 (ICD 10th Revision)"; attrib econdp_20 length=3 label="Part/line number on certificate 20"; attrib econds_20 length=$1 label="Sequence of condition within part/line 20"; attrib enicon_20 length=$4 label="Condition code 20 (ICD 10th Revision)"; attrib ranum length=3 label="Number of Record-Axis Conditions"; attrib record_1 length=$4 label="Record-Axis Condition Code 1 (ICD 10th Revision)"; attrib record_2 length=$4 label="Record-Axis Condition Code 2 (ICD 10th Revision)"; attrib record_3 length=$4 label="Record-Axis Condition Code 3 (ICD 10th Revision)"; attrib record_4 length=$4 label="Record-Axis Condition Code 4 (ICD 10th Revision)"; attrib record_5 length=$4 label="Record-Axis Condition Code 5 (ICD 10th Revision)"; attrib record_6 length=$4 label="Record-Axis Condition Code 6 (ICD 10th Revision)"; attrib record_7 length=$4 label="Record-Axis Condition Code 7 (ICD 10th Revision)"; attrib record_8 length=$4 label="Record-Axis Condition Code 8 (ICD 10th Revision)"; attrib record_9 length=$4 label="Record-Axis Condition Code 9 (ICD 10th Revision)"; attrib record_10 length=$4 label="Record-Axis Condition Code 10 (ICD 10th Revision)"; attrib record_11 length=$4 label="Record-Axis Condition Code 11 (ICD 10th Revision)"; attrib record_12 length=$4 label="Record-Axis Condition Code 12 (ICD 10th Revision)"; attrib record_13 length=$4 label="Record-Axis Condition Code 13 (ICD 10th Revision)"; attrib record_14 length=$4 label="Record-Axis Condition Code 14 (ICD 10th Revision)"; attrib record_15 length=$4 label="Record-Axis Condition Code 15 (ICD 10th Revision)"; attrib record_16 length=$4 label="Record-Axis Condition Code 16 (ICD 10th Revision)"; attrib record_17 length=$4 label="Record-Axis Condition Code 17 (ICD 10th Revision)"; attrib record_18 length=$4 label="Record-Axis Condition Code 18 (ICD 10th Revision)"; attrib record_19 length=$4 label="Record-Axis Condition Code 19 (ICD 10th Revision)"; attrib record_20 length=$4 label="Record-Axis Condition Code 20 (ICD 10th Revision)"; attrib resstatd length=3 label="Resident Status - Death"; attrib drstate length=3 label="Expanded State of Residence - NCHS Codes - Deaths"; attrib stoccfipd length=3 label="State of Occurrence (FIPS) - Death"; attrib cntocfipd length=4 label="County of Occurrence (FIPS) - Death"; attrib stresfipd length=3 label="State of Residence (FIPS) - Death"; attrib cntyrfpd length=4 label="County of Residence (FIPS) - Death"; attrib plresd length=4 label="Place (City) of Residence (FIPS)"; attrib hospd length=3 label="Hospital and Patient Status"; attrib dthyr length=4 label="Year of Death"; attrib dthmon length=3 label="Month of Death"; attrib weekdayd length=3 label="Day of Week of Death"; INPUT @1 matchs 1. @2 idnumber 5. @7 biryr 4. @11 resstatb 1. @12 brstate 2. @14 stoccfipb 2. @14 cntocfipb 5. @19 stresfipb 2. @19 cntyrfpb 5. @24 plres 5. @29 mageflg 1. @30 dmage 2. @32 mager8 1. @33 ormoth 1. @34 orracem 1. @35 mraceimp 1. @36 mrace 2. @38 mrace3 1. @39 dmeduc 2. @41 meduc6 1. @42 dmarimp $1. @43 dmar 1. @44 mplbir 2. @46 mplbirr 1. @47 dtotord 2. @49 dlivord 2. @51 mpcb 2. @53 mpre5 1. @54 nprevist 2. @56 adequacy 1. @60 fagerflg 1. @61 dfage 2. @63 orfath 1. @64 orracef 1. @65 frace 2. @67 pldel 1. @68 birattnd 1. @70 gestestm 1. @71 clingest 2. @73 gestimp 1. @74 gestat 2. @76 gestat10 2. @78 cseximp 1. @79 csex 1. @80 bwif 1. @81 dbirwt 4. @85 birwt12 2. @87 birwt4 1. @88 plurimp 1. @89 dplural 1. @90 fmaps 2. @92 vaginal 1. @93 vbac 1. @94 primac 1. @95 repeac 1. @96 forcep 1. @97 vacuum 1. @99 delmeth5 1. @100 mrflag 1. @101 anemia 1. @102 cardiac 1. @103 lung 1. @104 diabetes 1. @105 herpes 1. @106 hydra 1. @107 hemo 1. @108 chyper 1. @109 phyper 1. @110 eclamp 1. @111 incervix 1. @112 pre4000 1. @113 preterm 1. @114 renal 1. @115 rh 1. @116 uterine 1. @117 othermr 1. @118 tobacco 1. @119 cigar 2. @121 cigar6 1. @122 alcohol 1. @123 drink 2. @125 drink5 1. @126 wtgain 2. @128 wtgain9 1. @129 obflag 1. @130 amnio 1. @131 monitor 1. @132 induct 1. @133 stimula 1. @134 tocol 1. @135 ultras 1. @136 otherob 1. @137 fbflag 1. @138 febrile 1. @139 meconium 1. @140 rupture 1. @141 abruptio 1. @142 preplace 1. @143 excebld 1. @144 seizure 1. @145 precip 1. @146 prolong 1. @147 dysfunc 1. @148 breech 1. @149 cephalo 1. @150 cord 1. @151 anesthe 1. @152 distress 1. @153 otherlb 1. @154 nbflag 1. @155 nanemia 1. @156 injury 1. @157 alcosyn 1. @158 hyaline 1. @159 meconsyn 1. @160 venl30 1. @161 ven30m 1. @162 nseiz 1. @163 otherab 1. @164 cgflag 1. @165 anen 1. @166 spina 1. @167 hydro 1. @168 microce 1. @169 nervous 1. @170 heart 1. @171 circul 1. @172 rectal 1. @173 tracheo 1. @174 omphalo 1. @175 gastro 1. @176 genital 1. @177 renalage 1. @178 urogen 1. @179 cleftlp 1. @180 adactyly 1. @181 clubfoot 1. @182 hernia 1. @183 musculo 1. @184 downs 1. @185 chromo 1. @186 othercon 1. @187 origm 1. @188 origf 1. @189 educm 1. @190 manner 1. @191 geste 1. @193 fmapsrf 1. @194 delmetrf 1. @195 medrsk 1. @196 tobuse 1. @197 alcuse 1. @198 wtgn 1. @199 obstrc 1. @200 clabor 1. @201 abnml 1. @202 congan 1. @203 apiflag 1. @204 cdobmimp 1. @205 birmon 2. @209 weekdayb 1. @211 aged 3. @214 ager5 1. @215 accidpl 1. @216 ucod $4. @220 ucodr130 3. @223 recwt 8. @261 eanum 2. @263 econdp_1 1. @264 econds_1 $1. @265 enicon_1 $4. @270 econdp_2 1. @271 econds_2 $1. @272 enicon_2 $4. @277 econdp_3 1. @278 econds_3 $1. @279 enicon_3 $4. @284 econdp_4 1. @285 econds_4 $1. @286 enicon_4 $4. @291 econdp_5 1. @292 econds_5 $1. @293 enicon_5 $4. @298 econdp_6 1. @299 econds_6 $1. @300 enicon_6 $4. @305 econdp_7 1. @306 econds_7 $1. @307 enicon_7 $4. @312 econdp_8 1. @313 econds_8 $1. @314 enicon_8 $4. @319 econdp_9 1. @320 econds_9 $1. @321 enicon_9 $4. @326 econdp_10 1. @327 econds_10 $1. @328 enicon_10 $4. @333 econdp_11 1. @334 econds_11 $1. @335 enicon_11 $4. @340 econdp_12 1. @341 econds_12 $1. @342 enicon_12 $4. @347 econdp_13 1. @348 econds_13 $1. @349 enicon_13 $4. @354 econdp_14 1. @355 econds_14 $1. @356 enicon_14 $4. @361 econdp_15 1. @362 econds_15 $1. @363 enicon_15 $4. @368 econdp_16 1. @369 econds_16 $1. @370 enicon_16 $4. @375 econdp_17 1. @376 econds_17 $1. @377 enicon_17 $4. @382 econdp_18 1. @383 econds_18 $1. @384 enicon_18 $4. @389 econdp_19 1. @390 econds_19 $1. @391 enicon_19 $4. @396 econdp_20 1. @397 econds_20 $1. @398 enicon_20 $4. @403 ranum 2. @405 record_1 $4. @410 record_2 $4. @415 record_3 $4. @420 record_4 $4. @425 record_5 $4. @430 record_6 $4. @435 record_7 $4. @440 record_8 $4. @445 record_9 $4. @450 record_10 $4. @455 record_11 $4. @460 record_12 $4. @465 record_13 $4. @470 record_14 $4. @475 record_15 $4. @480 record_16 $4. @485 record_17 $4. @490 record_18 $4. @495 record_19 $4. @500 record_20 $4. @505 resstatd 1. @506 drstate 2. @508 stoccfipd 2. @508 cntocfipd 5. @513 stresfipd 2. @513 cntyrfpd 5. @518 plresd 5. @523 hospd 1. @524 dthyr 4. @528 dthmon 2. @532 weekdayd 1. ; proc print data=&dataset. (obs=6); proc contents data=&dataset.; /* Copyright 2008 shared by the National Bureau of Economic Research and Jean Roth National Bureau of Economic Research. 1050 Massachusetts Avenue Cambridge, MA 02138 jroth@nber.org This program and all programs referenced in it are free software. You can redistribute the program or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */