1 datayear Data year
11 rectype Record type
12 restatus Resident status
58 birattnd Attendant at birth
74-75 statenat NCHS State of Occurence
76-78 cntynat NCHS County of Occurence
13-14 stateres NCHS State of Residence 
15-17 cntyres NCHS County of Residence
18-20 cityres NCHS City of Residence
21 citrspop Population size - city of residence
25 metrores Met/Nonmet county of residence
38-39 dmage Age of Mother
40-41 mager36 Age of Mother recode 36
42 mager8 Age of Mother recode 8
43-44 mager12 Age of Mother recode 12 
27 mrace Race of Mother
47-48 bornalive Children Born alive, Number of
49 bornalive9 Children Born alive, Number of Recode 1
50 bornalive3 Children Born alive, Number of Recode 2
26 frace Race of Father
32-33 birmon Month of birth 
59-60 dgestat Gestation
61 gestat9 Gestation Recode 9 
31 csex Sex of Child
28 crace Race of Child
29 crace3 Race Recode #1
30 crace2 Race Recode #2
62-65 dbirwt Birthweight
66-67 birwt12 Birthweight Recode 12
68 birwt3 Birthweight Recode 3
69 dlegit Legitimacy
70 dplural Number of Children at delivery
71 dplural2 Number of Children at delivery recode