FILENAME NTPU 'D:\Natality\DAT\Natality.DAT' LRECL=1143;
**** LRECL includes 2 positions for CRLF, assuming use of PC SAS ;

    DATA WORK;
      INFILE NTPU MISSOVER;

      LENGTH
        SEQN      7
        DMPFSEQ   5
        DMPSTAT   3
        DMARETHN  3
        DMARACER  3
        DMAETHNR  3
        HSSEX     3
        HSDOIMO   3
        HSAGEIR   3
        HSAGEU    3
        HSAITMOR  4
        MXPAXTDR  8
        HSFSIZER  3
        HSHSIZER  3
        DMPMETRO  3
        DMPCREGN  3
        DMPPIR    8
        SDPPHASE  3
        SDPPSU6   4
        SDPSTRA6  4
        SDPPSU1   4
        SDPSTRA1  4
        SDPPSU2   4
        SDPSTRA2  4
        WTPFQX6   8
        WTPFEX6   8
        WTPFHX6   8
        WTPFALG6  8
        WTPFQX1   8
        WTPFEX1   8
        WTPFHX1   8
        WTPFALG1  8
        WTPFQX2   8
        WTPFHX2   8
        WTPFEX2   8
        WTPFALG2  8
        WTPQRP1   8
        WTPQRP2   8
        WTPQRP3   8
        WTPQRP4   8
        WTPQRP5   8
        WTPQRP6   8
        WTPQRP7   8
        WTPQRP8   8
        WTPQRP9   8
        WTPQRP10  8
        WTPQRP11  8
        WTPQRP12  8
        WTPQRP13  8
        WTPQRP14  8
        WTPQRP15  8
        WTPQRP16  8
        WTPQRP17  8
        WTPQRP18  8
        WTPQRP19  8
        WTPQRP20  8
        WTPQRP21  8
        WTPQRP22  8
        WTPQRP23  8
        WTPQRP24  8
        WTPQRP25  8
        WTPQRP26  8
        WTPQRP27  8
        WTPQRP28  8
        WTPQRP29  8
        WTPQRP30  8
        WTPQRP31  8
        WTPQRP32  8
        WTPQRP33  8
        WTPQRP34  8
        WTPQRP35  8
        WTPQRP36  8
        WTPQRP37  8
        WTPQRP38  8
        WTPQRP39  8
        WTPQRP40  8
        WTPQRP41  8
        WTPQRP42  8
        WTPQRP43  8
        WTPQRP44  8
        WTPQRP45  8
        WTPQRP46  8
        WTPQRP47  8
        WTPQRP48  8
        WTPQRP49  8
        WTPQRP50  8
        WTPQRP51  8
        WTPQRP52  8
        WTPXRP1   8
        WTPXRP2   8
        WTPXRP3   8
        WTPXRP4   8
        WTPXRP5   8
        WTPXRP6   8
        WTPXRP7   8
        WTPXRP8   8
        WTPXRP9   8
        WTPXRP10  8
        WTPXRP11  8
        WTPXRP12  8
        WTPXRP13  8
        WTPXRP14  8
        WTPXRP15  8
        WTPXRP16  8
        WTPXRP17  8
        WTPXRP18  8
        WTPXRP19  8
        WTPXRP20  8
        WTPXRP21  8
        WTPXRP22  8
        WTPXRP23  8
        WTPXRP24  8
        WTPXRP25  8
        WTPXRP26  8
        WTPXRP27  8
        WTPXRP28  8
        WTPXRP29  8
        WTPXRP30  8
        WTPXRP31  8
        WTPXRP32  8
        WTPXRP33  8
        WTPXRP34  8
        WTPXRP35  8
        WTPXRP36  8
        WTPXRP37  8
        WTPXRP38  8
        WTPXRP39  8
        WTPXRP40  8
        WTPXRP41  8
        WTPXRP42  8
        WTPXRP43  8
        WTPXRP44  8
        WTPXRP45  8
        WTPXRP46  8
        WTPXRP47  8
        WTPXRP48  8
        WTPXRP49  8
        WTPXRP50  8
        WTPXRP51  8
        WTPXRP52  8
        NTCERT    8
        NTRECTYP  3
        NTRSTATR  3
        NTRECWT   3
        NTPLDEL   3
        NTBIRATT  3
        NTMETROR  3
        NTMAGEFL  3
        NTMAGEIM  3
        NTMAGER   3
        NTMETHNR  8
        NTMRACIM  3
        NTMRACE   3
        NTMEDUCR  8
        NTMSTIMP  3
        NTMMRST   3
        NTMPOBR   3
        NTADEQUA  3
        NTNLBNLR  3
        NTNLBNDR  3
        NTISLLBR  3
        NTTERMR   3
        NTISLTR   3
        NTINDLVR  3
        NTOUTCOM  3
        NTINTPGR  8
        NTLBOR    3
        NTTBOR    3
        NTMONPRE  3
        NTTNPVR   3
        NTFAGEFL  3
        NTFAGER   3
        NTFETHNR  8
        NTFRACE   3
        NTFEDUCR  8
        NTGESTFL  3
        NTGESTIM  3
        NTGESTR   3
        NTSEXIMP  3
        NTSEX     3
        NTCRACE   3
        NTBWTR    3
        NTPLUIMP  3
        NTPLURR   3
        NTOMAPSR  3
        NTFMAPSR  3
        NTCGESTR  3
        NTVAGINA  3
        NTVBAC    3
        NTPRIMAC  3
        NTREPEAC  3
        NTDELIVR  3
        NTFORCEP  3
        NTVACUUM  3
        NTAORHR   3
        NTCARDIA  3
        NTLUNG    3
        NTDIABET  3
        NTHERPES  3
        NTHYDRA   3
        NTCHYPER  3
        NTPHYPER  3
        NTECLAMP  3
        NTINCERV  3
        NTPR4000  3
        NTPRTERM  3
        NTRENAL   3
        NTRH      3
        NTUTERIN  3
        NTOTHRMR  3
        NTTOBACR  3
        NTCIGARR  3
        NTALCOHR  8
        NTDRINKR  3
        NTWTGNR   3
        NTAMNIO   3
        NTMONITO  3
        NTINDUCT  3
        NTSTIMUL  3
        NTTOCOL   3
        NTULTRAS  3
        NTOTHROB  3
        NTFEBRIL  3
        NTMECONI  3
        NTRUPTUR  3
        NTABRUPT  3
        NTREPLAC  3
        NTEXCBLD  3
        NTSEIZUR  3
        NTPRECIP  3
        NTPRLONG  3
        NTDYSFUN  3
        NTBREECH  3
        NTCEPHAL  3
        NTCORD    3
        NTANESTH  3
        NTDISTRE  3
        NTOTHRLB  3
        NTNANEMI  3
        NTINJURY  3
        NTALCOSY  3
        NTHYALIN  3
        NTMECONS  3
        NTVENL30  3
        NTVEN30M  3
        NTOTHABR  3
        NTCIRCUL  3
        NTCLUBFT  3
        NTMUSCUL  3
        NTCONMJR  3
        NTCONMNR  3
        NTFLMSST  3
        NTFLEPST  3
        NTFLEDM   3
        NTFLEDF   3
        NTFLNMST  3
        NTFLLBST  3
        NTFLLTST  3
        NTFLPVST  3
        NTFL1APS  3
        NTFL5APS  3
        NTFLGEST  3
        NTFLTOBU  3
        NTFLALCU  3
        NTFLWTGN  3
        NTFLCONG  3
      ;

      FORMAT
        DMPPIR   Z6.3
        WTPFQX6  Z9.2
        WTPFEX6  Z9.2
        WTPFHX6  Z9.2
        WTPFALG6 Z9.2
        WTPFQX1  Z9.2
        WTPFEX1  Z9.2
        WTPFHX1  Z9.2
        WTPFALG1 Z9.2
        WTPFQX2  Z9.2
        WTPFHX2  Z9.2
        WTPFEX2  Z9.2
        WTPFALG2 Z9.2
        WTPQRP1  Z9.2
        WTPQRP2  Z9.2
        WTPQRP3  Z9.2
        WTPQRP4  Z9.2
        WTPQRP5  Z9.2
        WTPQRP6  Z9.2
        WTPQRP7  Z9.2
        WTPQRP8  Z9.2
        WTPQRP9  Z9.2
        WTPQRP10 Z9.2
        WTPQRP11 Z9.2
        WTPQRP12 Z9.2
        WTPQRP13 Z9.2
        WTPQRP14 Z9.2
        WTPQRP15 Z9.2
        WTPQRP16 Z9.2
        WTPQRP17 Z9.2
        WTPQRP18 Z9.2
        WTPQRP19 Z9.2
        WTPQRP20 Z9.2
        WTPQRP21 Z9.2
        WTPQRP22 Z9.2
        WTPQRP23 Z9.2
        WTPQRP24 Z9.2
        WTPQRP25 Z9.2
        WTPQRP26 Z9.2
        WTPQRP27 Z9.2
        WTPQRP28 Z9.2
        WTPQRP29 Z9.2
        WTPQRP30 Z9.2
        WTPQRP31 Z9.2
        WTPQRP32 Z9.2
        WTPQRP33 Z9.2
        WTPQRP34 Z9.2
        WTPQRP35 Z9.2
        WTPQRP36 Z9.2
        WTPQRP37 Z9.2
        WTPQRP38 Z9.2
        WTPQRP39 Z9.2
        WTPQRP40 Z9.2
        WTPQRP41 Z9.2
        WTPQRP42 Z9.2
        WTPQRP43 Z9.2
        WTPQRP44 Z9.2
        WTPQRP45 Z9.2
        WTPQRP46 Z9.2
        WTPQRP47 Z9.2
        WTPQRP48 Z9.2
        WTPQRP49 Z9.2
        WTPQRP50 Z9.2
        WTPQRP51 Z9.2
        WTPQRP52 Z9.2
        WTPXRP1  Z9.2
        WTPXRP2  Z9.2
        WTPXRP3  Z9.2
        WTPXRP4  Z9.2
        WTPXRP5  Z9.2
        WTPXRP6  Z9.2
        WTPXRP7  Z9.2
        WTPXRP8  Z9.2
        WTPXRP9  Z9.2
        WTPXRP10 Z9.2
        WTPXRP11 Z9.2
        WTPXRP12 Z9.2
        WTPXRP13 Z9.2
        WTPXRP14 Z9.2
        WTPXRP15 Z9.2
        WTPXRP16 Z9.2
        WTPXRP17 Z9.2
        WTPXRP18 Z9.2
        WTPXRP19 Z9.2
        WTPXRP20 Z9.2
        WTPXRP21 Z9.2
        WTPXRP22 Z9.2
        WTPXRP23 Z9.2
        WTPXRP24 Z9.2
        WTPXRP25 Z9.2
        WTPXRP26 Z9.2
        WTPXRP27 Z9.2
        WTPXRP28 Z9.2
        WTPXRP29 Z9.2
        WTPXRP30 Z9.2
        WTPXRP31 Z9.2
        WTPXRP32 Z9.2
        WTPXRP33 Z9.2
        WTPXRP34 Z9.2
        WTPXRP35 Z9.2
        WTPXRP36 Z9.2
        WTPXRP37 Z9.2
        WTPXRP38 Z9.2
        WTPXRP39 Z9.2
        WTPXRP40 Z9.2
        WTPXRP41 Z9.2
        WTPXRP42 Z9.2
        WTPXRP43 Z9.2
        WTPXRP44 Z9.2
        WTPXRP45 Z9.2
        WTPXRP46 Z9.2
        WTPXRP47 Z9.2
        WTPXRP48 Z9.2
        WTPXRP49 Z9.2
        WTPXRP50 Z9.2
        WTPXRP51 Z9.2
        WTPXRP52 Z9.2
      ;

     INPUT
        SEQN     1-5
        DMPFSEQ  6-10
        DMPSTAT  11
        DMARETHN 12
        DMARACER 13
        DMAETHNR 14
        HSSEX    15
        HSDOIMO  16-17
        HSAGEIR  18-19
        HSAGEU   20
        HSAITMOR 21-24
        MXPAXTDR 25-28
        HSFSIZER 29-30
        HSHSIZER 31-32
        DMPMETRO 33
        DMPCREGN 34
        DMPPIR   35-40
        SDPPHASE 41
        SDPPSU6  42
        SDPSTRA6 43-44
        SDPPSU1  45
        SDPSTRA1 46-47
        SDPPSU2  48
        SDPSTRA2 49-50
        WTPFQX6  51-58
        WTPFEX6  59-66
        WTPFHX6  67-74
        WTPFALG6 75-82
        WTPFQX1  83-91
        WTPFEX1  92-100
        WTPFHX1  101-109
        WTPFALG1 110-118
        WTPFQX2  119-127
        WTPFHX2  128-136
        WTPFEX2  137-145
        WTPFALG2 146-154
        WTPQRP1  155-162
        WTPQRP2  163-170
        WTPQRP3  171-178
        WTPQRP4  179-186
        WTPQRP5  187-194
        WTPQRP6  195-202
        WTPQRP7  203-210
        WTPQRP8  211-218
        WTPQRP9  219-226
        WTPQRP10 227-234
        WTPQRP11 235-242
        WTPQRP12 243-250
        WTPQRP13 251-258
        WTPQRP14 259-266
        WTPQRP15 267-274
        WTPQRP16 275-282
        WTPQRP17 283-290
        WTPQRP18 291-298
        WTPQRP19 299-306
        WTPQRP20 307-314
        WTPQRP21 315-322
        WTPQRP22 323-330
        WTPQRP23 331-338
        WTPQRP24 339-346
        WTPQRP25 347-354
        WTPQRP26 355-362
        WTPQRP27 363-370
        WTPQRP28 371-378
        WTPQRP29 379-386
        WTPQRP30 387-394
        WTPQRP31 395-402
        WTPQRP32 403-410
        WTPQRP33 411-418
        WTPQRP34 419-426
        WTPQRP35 427-434
        WTPQRP36 435-442
        WTPQRP37 443-450
        WTPQRP38 451-458
        WTPQRP39 459-466
        WTPQRP40 467-474
        WTPQRP41 475-482
        WTPQRP42 483-490
        WTPQRP43 491-498
        WTPQRP44 499-506
        WTPQRP45 507-514
        WTPQRP46 515-522
        WTPQRP47 523-530
        WTPQRP48 531-538
        WTPQRP49 539-546
        WTPQRP50 547-554
        WTPQRP51 555-562
        WTPQRP52 563-570
        WTPXRP1  571-578
        WTPXRP2  579-586
        WTPXRP3  587-594
        WTPXRP4  595-602
        WTPXRP5  603-610
        WTPXRP6  611-618
        WTPXRP7  619-626
        WTPXRP8  627-634
        WTPXRP9  635-642
        WTPXRP10 643-650
        WTPXRP11 651-658
        WTPXRP12 659-666
        WTPXRP13 667-674
        WTPXRP14 675-682
        WTPXRP15 683-690
        WTPXRP16 691-698
        WTPXRP17 699-706
        WTPXRP18 707-714
        WTPXRP19 715-722
        WTPXRP20 723-730
        WTPXRP21 731-738
        WTPXRP22 739-746
        WTPXRP23 747-754
        WTPXRP24 755-762
        WTPXRP25 763-770
        WTPXRP26 771-778
        WTPXRP27 779-786
        WTPXRP28 787-794
        WTPXRP29 795-802
        WTPXRP30 803-810
        WTPXRP31 811-818
        WTPXRP32 819-826
        WTPXRP33 827-834
        WTPXRP34 835-842
        WTPXRP35 843-850
        WTPXRP36 851-858
        WTPXRP37 859-866
        WTPXRP38 867-874
        WTPXRP39 875-882
        WTPXRP40 883-890
        WTPXRP41 891-898
        WTPXRP42 899-906
        WTPXRP43 907-914
        WTPXRP44 915-922
        WTPXRP45 923-930
        WTPXRP46 931-938
        WTPXRP47 939-946
        WTPXRP48 947-954
        WTPXRP49 955-962
        WTPXRP50 963-970
        WTPXRP51 971-978
        WTPXRP52 979-986
        NTCERT   987
        NTRECTYP 988
        NTRSTATR 989
        NTRECWT  990
        NTPLDEL  991-992
        NTBIRATT 993
        NTMETROR 994
        NTMAGEFL 995
        NTMAGEIM 996
        NTMAGER  997-998
        NTMETHNR 999
        NTMRACIM 1000
        NTMRACE  1001
        NTMEDUCR 1002-1003
        NTMSTIMP 1004
        NTMMRST  1005
        NTMPOBR  1006
        NTADEQUA 1007
        NTNLBNLR 1008-1009
        NTNLBNDR 1010
        NTISLLBR 1011-1013
        NTTERMR  1014
        NTISLTR  1015-1017
        NTINDLVR 1018-1020
        NTOUTCOM 1021
        NTINTPGR 1022-1024
        NTLBOR   1025-1026
        NTTBOR   1027-1028
        NTMONPRE 1029-1030
        NTTNPVR  1031-1032
        NTFAGEFL 1033
        NTFAGER  1034-1036
        NTFETHNR 1037
        NTFRACE  1038
        NTFEDUCR 1039-1040
        NTGESTFL 1041
        NTGESTIM 1042
        NTGESTR  1043-1045
        NTSEXIMP 1046
        NTSEX    1047
        NTCRACE  1048
        NTBWTR   1049-1052
        NTPLUIMP 1053
        NTPLURR  1054
        NTOMAPSR 1055-1056
        NTFMAPSR 1057-1058
        NTCGESTR 1059-1060
        NTVAGINA 1061
        NTVBAC   1062
        NTPRIMAC 1063
        NTREPEAC 1064
        NTDELIVR 1065
        NTFORCEP 1066
        NTVACUUM 1067
        NTAORHR  1068
        NTCARDIA 1069
        NTLUNG   1070
        NTDIABET 1071
        NTHERPES 1072
        NTHYDRA  1073
        NTCHYPER 1074
        NTPHYPER 1075
        NTECLAMP 1076
        NTINCERV 1077
        NTPR4000 1078
        NTPRTERM 1079
        NTRENAL  1080
        NTRH     1081
        NTUTERIN 1082
        NTOTHRMR 1083
        NTTOBACR 1084
        NTCIGARR 1085-1086
        NTALCOHR 1087
        NTDRINKR 1088
        NTWTGNR  1089-1090
        NTAMNIO  1091
        NTMONITO 1092
        NTINDUCT 1093
        NTSTIMUL 1094
        NTTOCOL  1095
        NTULTRAS 1096
        NTOTHROB 1097
        NTFEBRIL 1098
        NTMECONI 1099
        NTRUPTUR 1100
        NTABRUPT 1101
        NTREPLAC 1102
        NTEXCBLD 1103
        NTSEIZUR 1104
        NTPRECIP 1105
        NTPRLONG 1106
        NTDYSFUN 1107
        NTBREECH 1108
        NTCEPHAL 1109
        NTCORD   1110
        NTANESTH 1111
        NTDISTRE 1112
        NTOTHRLB 1113
        NTNANEMI 1114
        NTINJURY 1115
        NTALCOSY 1116
        NTHYALIN 1117
        NTMECONS 1118
        NTVENL30 1119
        NTVEN30M 1120
        NTOTHABR 1121
        NTCIRCUL 1122
        NTCLUBFT 1123
        NTMUSCUL 1124
        NTCONMJR 1125
        NTCONMNR 1126
        NTFLMSST 1127
        NTFLEPST 1128
        NTFLEDM  1129
        NTFLEDF  1130
        NTFLNMST 1131
        NTFLLBST 1132
        NTFLLTST 1133
        NTFLPVST 1134
        NTFL1APS 1135
        NTFL5APS 1136
        NTFLGEST 1137
        NTFLTOBU 1138
        NTFLALCU 1139
        NTFLWTGN 1140
        NTFLCONG 1141
     ;

      LABEL
        SEQN     = "Sample Person identification number"
        DMPFSEQ  = "Family sequence number"
        DMPSTAT  = "Examination/interview status"
        DMARETHN = "Race-ethnicity"
        DMARACER = "Race"
        DMAETHNR = "Ethnicity"
        HSSEX    = "Sex"
        HSDOIMO  = "Date of screener: month"
        HSAGEIR  = "Age at interview (screener) - qty"
        HSAGEU   = "Age at interview (screener) - unit"
        HSAITMOR = "Age in months at interview (screener)"
        MXPAXTDR = "Age at exam - in days"
        HSFSIZER = "Family size (persons in family)"
        HSHSIZER = "Household size (persons in dwelling)"
        DMPMETRO = "Rural/urban code based on USDA code"
        DMPCREGN = "Census region"
        DMPPIR   = "Poverty Income Ratio (unimputed income)"
        SDPPHASE = "Phase of NHANES III Survey"
        SDPPSU6  = "Total NHANES III pseudo-PSU"
        SDPSTRA6 = "Total NHANES III pseudo-stratum"
        SDPPSU1  = "Pseudo-PSU for phase 1"
        SDPSTRA1 = "Pseudo-stratum for phase 1"
        SDPPSU2  = "Pseudo-PSU for phase 2"
        SDPSTRA2 = "Pseudo-stratum for phase 2"
        WTPFQX6  = "Total interviewed sample final weight"
        WTPFEX6  = "Total MEC examined sample final weight"
        WTPFHX6  = "Total M+H examined sample final weight"
        WTPFALG6 = "Total allergy subsample final weight"
        WTPFQX1  = "Phase 1 interviewed sample final wgt"
        WTPFEX1  = "Phase 1 MEC examined sample final wgt"
        WTPFHX1  = "Phase 1 M+H examined sample final wgt"
        WTPFALG1 = "Phase 1 allergy subsample final wgt"
        WTPFQX2  = "Phase 2 interviewed sample final wgt"
        WTPFHX2  = "Phase 2 M+H examined sample final wgt"
        WTPFEX2  = "Phase 2 MEC examined sample final wgt"
        WTPFALG2 = "Phase 2 allergy subsample final wgt"
        WTPQRP1  = "Replicate 1 final interview weight"
        WTPQRP2  = "Replicate 2 final interview weight"
        WTPQRP3  = "Replicate 3 final interview weight"
        WTPQRP4  = "Replicate 4 final interview weight"
        WTPQRP5  = "Replicate 5 final interview weight"
        WTPQRP6  = "Replicate 6 final interview weight"
        WTPQRP7  = "Replicate 7 final interview weight"
        WTPQRP8  = "Replicate 8 final interview weight"
        WTPQRP9  = "Replicate 9 final interview weight"
        WTPQRP10 = "Replicate 10 final interview weight"
        WTPQRP11 = "Replicate 11 final interview weight"
        WTPQRP12 = "Replicate 12 final interview weight"
        WTPQRP13 = "Replicate 13 final interview weight"
        WTPQRP14 = "Replicate 14 final interview weight"
        WTPQRP15 = "Replicate 15 final interview weight"
        WTPQRP16 = "Replicate 16 final interview weight"
        WTPQRP17 = "Replicate 17 final interview weight"
        WTPQRP18 = "Replicate 18 final interview weight"
        WTPQRP19 = "Replicate 19 final interview weight"
        WTPQRP20 = "Replicate 20 final interview weight"
        WTPQRP21 = "Replicate 21 final interview weight"
        WTPQRP22 = "Replicate 22 final interview weight"
        WTPQRP23 = "Replicate 23 final interview weight"
        WTPQRP24 = "Replicate 24 final interview weight"
        WTPQRP25 = "Replicate 25 final interview weight"
        WTPQRP26 = "Replicate 26 final interview weight"
        WTPQRP27 = "Replicate 27 final interview weight"
        WTPQRP28 = "Replicate 28 final interview weight"
        WTPQRP29 = "Replicate 29 final interview weight"
        WTPQRP30 = "Replicate 30 final interview weight"
        WTPQRP31 = "Replicate 31 final interview weight"
        WTPQRP32 = "Replicate 32 final interview weight"
        WTPQRP33 = "Replicate 33 final interview weight"
        WTPQRP34 = "Replicate 34 final interview weight"
        WTPQRP35 = "Replicate 35 final interview weight"
        WTPQRP36 = "Replicate 36 final interview weight"
        WTPQRP37 = "Replicate 37 final interview weight"
        WTPQRP38 = "Replicate 38 final interview weight"
        WTPQRP39 = "Replicate 39 final interview weight"
        WTPQRP40 = "Replicate 40 final interview weight"
        WTPQRP41 = "Replicate 41 final interview weight"
        WTPQRP42 = "Replicate 42 final interview weight"
        WTPQRP43 = "Replicate 43 final interview weight"
        WTPQRP44 = "Replicate 44 final interview weight"
        WTPQRP45 = "Replicate 45 final interview weight"
        WTPQRP46 = "Replicate 46 final interview weight"
        WTPQRP47 = "Replicate 47 final interview weight"
        WTPQRP48 = "Replicate 48 final interview weight"
        WTPQRP49 = "Replicate 49 final interview weight"
        WTPQRP50 = "Replicate 50 final interview weight"
        WTPQRP51 = "Replicate 51 final interview weight"
        WTPQRP52 = "Replicate 52 final interview weight"
        WTPXRP1  = "Replicate 1 final exam weight"
        WTPXRP2  = "Replicate 2 final exam weight"
        WTPXRP3  = "Replicate 3 final exam weight"
        WTPXRP4  = "Replicate 4 final exam weight"
        WTPXRP5  = "Replicate 5 final exam weight"
        WTPXRP6  = "Replicate 6 final exam weight"
        WTPXRP7  = "Replicate 7 final exam weight"
        WTPXRP8  = "Replicate 8 final exam weight"
        WTPXRP9  = "Replicate 9 final exam weight"
        WTPXRP10 = "Replicate 10 final exam weight"
        WTPXRP11 = "Replicate 11 final exam weight"
        WTPXRP12 = "Replicate 12 final exam weight"
        WTPXRP13 = "Replicate 13 final exam weight"
        WTPXRP14 = "Replicate 14 final exam weight"
        WTPXRP15 = "Replicate 15 final exam weight"
        WTPXRP16 = "Replicate 16 final exam weight"
        WTPXRP17 = "Replicate 17 final exam weight"
        WTPXRP18 = "Replicate 18 final exam weight"
        WTPXRP19 = "Replicate 19 final exam weight"
        WTPXRP20 = "Replicate 20 final exam weight"
        WTPXRP21 = "Replicate 21 final exam weight"
        WTPXRP22 = "Replicate 22 final exam weight"
        WTPXRP23 = "Replicate 23 final exam weight"
        WTPXRP24 = "Replicate 24 final exam weight"
        WTPXRP25 = "Replicate 25 final exam weight"
        WTPXRP26 = "Replicate 26 final exam weight"
        WTPXRP27 = "Replicate 27 final exam weight"
        WTPXRP28 = "Replicate 28 final exam weight"
        WTPXRP29 = "Replicate 29 final exam weight"
        WTPXRP30 = "Replicate 30 final exam weight"
        WTPXRP31 = "Replicate 31 final exam weight"
        WTPXRP32 = "Replicate 32 final exam weight"
        WTPXRP33 = "Replicate 33 final exam weight"
        WTPXRP34 = "Replicate 34 final exam weight"
        WTPXRP35 = "Replicate 35 final exam weight"
        WTPXRP36 = "Replicate 36 final exam weight"
        WTPXRP37 = "Replicate 37 final exam weight"
        WTPXRP38 = "Replicate 38 final exam weight"
        WTPXRP39 = "Replicate 39 final exam weight"
        WTPXRP40 = "Replicate 40 final exam weight"
        WTPXRP41 = "Replicate 41 final exam weight"
        WTPXRP42 = "Replicate 42 final exam weight"
        WTPXRP43 = "Replicate 43 final exam weight"
        WTPXRP44 = "Replicate 44 final exam weight"
        WTPXRP45 = "Replicate 45 final exam weight"
        WTPXRP46 = "Replicate 46 final exam weight"
        WTPXRP47 = "Replicate 47 final exam weight"
        WTPXRP48 = "Replicate 48 final exam weight"
        WTPXRP49 = "Replicate 49 final exam weight"
        WTPXRP50 = "Replicate 50 final exam weight"
        WTPXRP51 = "Replicate 51 final exam weight"
        WTPXRP52 = "Replicate 52 final exam weight"
        NTCERT   = "Certificate availability status"
        NTRECTYP = "Record type"
        NTRSTATR = "Resident status recode"
        NTRECWT  = "Record weight"
        NTPLDEL  = "Place or facility of birth"
        NTBIRATT = "Attendant at birth"
        NTMETROR = "Metropolitan - nonmetropolitan recode"
        NTMAGEFL = "Reported age of mother used flag"
        NTMAGEIM = "Age of mother imputation flag"
        NTMAGER  = "Age of mother recode"
        NTMETHNR = "Hispanic origin of mother recode"
        NTMRACIM = "Race of mother imputation flag"
        NTMRACE  = "Race of mother"
        NTMEDUCR = "Education of mother recode"
        NTMSTIMP = "Marital status of mother imputation flg"
        NTMMRST  = "Marital Status of mother"
        NTMPOBR  = "Place of birth of mother recode"
        NTADEQUA = "Adequacy of care recode (Kessner index)"
        NTNLBNLR = "Number of previous live births-living"
        NTNLBNDR = "Number of previous live births-dead"
        NTISLLBR = "Interval since last live birth recode"
        NTTERMR  = "Number of other terminations recode"
        NTISLTR  = "Interv. months since last other term."
        NTINDLVR = "Interv. between deliveries recode"
        NTOUTCOM = "Outcome of last pregnancy"
        NTINTPGR = "Interpregnancy interval - in months"
        NTLBOR   = "Live birth order recode"
        NTTBOR   = "Total birth order recode"
        NTMONPRE = "Month pregnancy prenatal care began"
        NTTNPVR  = "Number of prenatal visits recode"
        NTFAGEFL = "Reported age of father used flag"
        NTFAGER  = "Age of father recode"
        NTFETHNR = "Hispanic origin of father recode"
        NTFRACE  = "Race of father"
        NTFEDUCR = "Education of father recode"
        NTGESTFL = "Clinical estimate of gestation used"
        NTGESTIM = "Gestation imputation flag"
        NTGESTR  = "Period of gestation recode"
        NTSEXIMP = "Sex imputation flag"
        NTSEX    = "Sex"
        NTCRACE  = "Race of child"
        NTBWTR   = "Birth weight recode - in grams"
        NTPLUIMP = "Plurality imputation flag"
        NTPLURR  = "Plurality recode"
        NTOMAPSR = "One minute Apgar score recode"
        NTFMAPSR = "Five minute Apgar score recode"
        NTCGESTR = "Clinical estimate of gestation recode"
        NTVAGINA = "Vaginal"
        NTVBAC   = "Vaginal birth after previous C-section"
        NTPRIMAC = "Primary C-section"
        NTREPEAC = "Repeat C-section"
        NTDELIVR = "Vaginal or C-section recode"
        NTFORCEP = "Forceps"
        NTVACUUM = "Vacuum"
        NTAORHR  = "Anemia recode"
        NTCARDIA = "Cardiac disease"
        NTLUNG   = "Acute or chronic lung disease"
        NTDIABET = "Diabetes"
        NTHERPES = "Genital herpes"
        NTHYDRA  = "Hydramnios/Olighydramnios"
        NTCHYPER = "Hypertension, chronic"
        NTPHYPER = "Hypertension, pregnancy-associated"
        NTECLAMP = "Eclampsia"
        NTINCERV = "Incompetent cervix"
        NTPR4000 = "Previous infant 4000+ grams"
        NTPRTERM = "Previous preterm or small-for-gestation"
        NTRENAL  = "Renal disease"
        NTRH     = "Rh sensitization"
        NTUTERIN = "Uterine bleeding"
        NTOTHRMR = "Other medical risk factors"
        NTTOBACR = "Tobacco use during pregnancy recode"
        NTCIGARR = "Avg. number of cigarettes per day rec."
        NTALCOHR = "Alcohol use during pregnancy recode"
        NTDRINKR = "Average number of drinks per week recode"
        NTWTGNR  = "Weight gain recode"
        NTAMNIO  = "Amniocentesis"
        NTMONITO = "Electronic fetal monitoring"
        NTINDUCT = "Induction of labor"
        NTSTIMUL = "Stimulation of labor"
        NTTOCOL  = "Tocolysis"
        NTULTRAS = "Ultrasound"
        NTOTHROB = "Other obstetric procedures"
        NTFEBRIL = "Febrile"
        NTMECONI = "Meconium, moderate/heavy"
        NTRUPTUR = "Premature rupture of membrane"
        NTABRUPT = "Abruptio placenta"
        NTREPLAC = "Placenta previa"
        NTEXCBLD = "Other excessive bleeding"
        NTSEIZUR = "Seizures during labor"
        NTPRECIP = "Precipitous labor (<3 hours)"
        NTPRLONG = "Prolonged labor (>20 hours)"
        NTDYSFUN = "Dysfunctional labor"
        NTBREECH = "Breech/malpresentation"
        NTCEPHAL = "Cephalopelvic disproportion"
        NTCORD   = "Cord prolapse"
        NTANESTH = "Anesthetic complications"
        NTDISTRE = "Fetal distress"
        NTOTHRLB = "Other complications of labor"
        NTNANEMI = "Anemia (Hct.<39/Hgb.<13)"
        NTINJURY = "Birth injury"
        NTALCOSY = "Fetal alcohol syndrome"
        NTHYALIN = "Hyaline membrane disease"
        NTMECONS = "Meconium aspiration syndrome"
        NTVENL30 = "Assisted ventilation, < 30 minutes"
        NTVEN30M = "Assisted 30+ minutes"
        NTOTHABR = "Other abnormal conditions recode"
        NTCIRCUL = "Other circulatory/respiratory anomalies"
        NTCLUBFT = "Club foot"
        NTMUSCUL = "Othr musculoskeletal/integumental anom."
        NTCONMJR = "Major congenital anomalies recode"
        NTCONMNR = "Minor congenital anomalies recode"
        NTFLMSST = "Marital status (by state)"
        NTFLEPST = "Education of parents (by state)"
        NTFLEDM  = "Education of mother"
        NTFLEDF  = "Education of father"
        NTFLNMST = "Date of last menses (by state)"
        NTFLLBST = "Date of last live birth (by state)"
        NTFLLTST = "Date of last other termination by state"
        NTFLPVST = "Number of prenatal visits (by state)"
        NTFL1APS = "One minute Apgar score (by state)"
        NTFL5APS = "Five minute Apgar score (by state)"
        NTFLGEST = "Clinical estimate of gestation"
        NTFLTOBU = "Tobacco use"
        NTFLALCU = "Alcohol use"
        NTFLWTGN = "Weight gain"
        NTFLCONG = "Congential anomalies"
      ;