WLS Codebooks
Note: Codebooks contain frequency data from the private data release. For some variables, these differ from the frequencies in the public release. Variables that differ between the public and private versions include "(not available on public release)" as part of the variable description, or a note indicating the difference between the public and private versions.
Children
xkidsno - xfemkds Number of children xadptkd, xxadptno Any adopted, step or foster children? xagrkd1 Sibling's age at first child's birth xdurmrb Duration between marriage and first child xpremrb Have a premarital first birth? There are up to 13 children recorded. xkdsex* Sex of child xcmkdb* Date of birth of child The suffix * can be 1 to 9, 0, a or b, where 1 to 9 represents the first to the ninth child 0 represents the tenth child a, b, c represent the 11th, the 12th and the 13th child, respectively xsexlkd Sex of last birth xcmlkd Date of birth of last child xdurk12 - xdurkbc Number of months between child and next child xdurk1l Number of months between first and last birth
xkidsno: Number of children ever had.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3394 | 3256 | 6650 |
-2 | 107 | 74 | 181 | |
0 | 110 | 121 | 231 | |
1 | 121 | 105 | 226 | |
2 | 281 | 283 | 564 | |
3 | 214 | 233 | 447 | |
4 | 109 | 127 | 236 | |
5 | 58 | 79 | 137 | |
6 | 20 | 29 | 49 | |
7 | 13 | 14 | 27 | |
8 | 4 | 8 | 12 | |
9 | 4 | 7 | 11 | |
10 | 2 | 0 | 2 | |
11 | 0 | 2 | 2 | |
12 | 0 | 2 | 2 | |
13 | 0 | 1 | 1 |
Number of Biological or Natural Children."
Only females have data in variables XADPTKD-XWYNHAL because the
detailed child information (q79-q82) was not asked for males.
Before using these variables, see Appendix C - COR690 and
COR690a for important information regarding marriage dates,
fertility rosters, biological and non-biological children,
and work history sections for ever-married women.
xmalkds: Number of male children.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3257 | 6650 |
-2 | 1044 | 195 | 1239 | |
0 | 0 | 166 | 166 | |
1 | 0 | 309 | 309 | |
2 | 0 | 258 | 258 | |
3 | 0 | 101 | 101 | |
4 | 0 | 31 | 31 | |
5 | 0 | 14 | 14 | |
6 | 0 | 8 | 8 | |
7 | 0 | 1 | 1 | |
8 | 0 | 1 | 1 |
variable gives the number of males among the first 10
children. This is comparable to the 1975 data.
xfemkds: Number of female children.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3257 | 6650 |
-2 | 1044 | 195 | 1239 | |
0 | 0 | 168 | 168 | |
1 | 0 | 346 | 346 | |
2 | 0 | 231 | 231 | |
3 | 0 | 87 | 87 | |
4 | 0 | 32 | 32 | |
5 | 0 | 16 | 16 | |
6 | 0 | 6 | 6 | |
7 | 0 | 2 | 2 | |
8 | 0 | 1 | 1 |
variable gives the number of females among the first 10
children. This is comparable to the 1975 data.
xadptkd: Do you have any adopted, step or foster children?
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 80
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3256 | 6649 |
-2 | 1044 | 0 | 1044 | |
0 | NO | 0 | 1047 | 1047 |
1 | YES | 0 | 38 | 38 |
children. In 1975, it was ascertained only in cases where
sib-respondent mentioned freely that some of the children
were adopted, step or foster children.
"No" includes never married women and women with no
children to retain comparability with 1975 data.
Before using these variables, see Appendix C - COR690 and
COR690a for important information regarding marriage dates,
fertility rosters, biological and non-biological children,
and work history sections for ever-married women.
xxadptno: How many adopted, step or foster children does sibling respondent have?
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78a, 79, 80
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3256 | 6649 |
-2 | 1044 | 72 | 1116 | |
0 | 0 | 976 | 976 | |
1 | 0 | 20 | 20 | |
2 | 0 | 16 | 16 | |
3 | 0 | 1 | 1 |
(How many children did sib-respondent ever have?)
Before using these variables, see Appendix C - COR690 and
COR690a for important information regarding marriage dates,
fertility rosters, biological and non-biological children,
and work history sections for ever-married women.
xagrkd1: Sibling respondent's age at the birth of the first child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79, 93
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3257 | 6650 |
-2 | 1044 | 195 | 1239 | |
157 - 203 | 0 | 183 | 183 | |
204 - 219 | 0 | 182 | 182 | |
220 - 235 | 0 | 190 | 190 | |
236 - 258 | 0 | 179 | 179 | |
259 - 381 | 0 | 155 | 155 |
xdurmrb: Number of months between sibling respondent's first marriage and birth of the first child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 61a, 61b, 64a1, 72, 72a, 75a1, 78, 78b, 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3258 | 6651 |
-2 | 1044 | 195 | 1239 | |
0 - 8 | 0 | 194 | 194 | |
9 - 12 | 0 | 197 | 197 | |
13 - 21 | 0 | 184 | 184 | |
22 - 39 | 0 | 177 | 177 | |
40 - 194 | 0 | 136 | 136 |
xpremrb: Did sibling respondent have a premarital first birth?
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 61a, 61b, 64a1, 72, 72a, 75a1, 78, 78b, 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3258 | 6651 |
-2 | 1044 | 195 | 1239 | |
0 | NO | 0 | 859 | 859 |
1 | YES | 0 | 29 | 29 |
same month as the first marriage were scored "1" on this
variable. Although this looks low, this is the number with
a premarital birth, not a premarital conception.
xkdsex1: Sex of first child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3257 | 6650 |
-2 | 1044 | 195 | 1239 | |
1 | MALE | 0 | 444 | 444 |
2 | FEMALE | 0 | 445 | 445 |
xcmkdb1: Date of birth of first child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3257 | 6650 |
-2 | 1044 | 195 | 1239 | |
455 - 673 | 0 | 177 | 177 | |
674 - 723 | 0 | 178 | 178 | |
724 - 771 | 0 | 180 | 180 | |
772 - 829 | 0 | 177 | 177 | |
830 - 925 | 0 | 177 | 177 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
Year of birth (bottom-coded at 1950 and top-coded at 1974) on public release.
xkdsex2: Sex of second child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3256 | 6649 |
-2 | 1044 | 301 | 1345 | |
1 | MALE | 0 | 400 | 400 |
2 | FEMALE | 0 | 384 | 384 |
xcmkdb2: Date of birth of second child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3256 | 6649 |
-2 | 1044 | 301 | 1345 | |
483 - 695 | 0 | 161 | 161 | |
696 - 743 | 0 | 158 | 158 | |
744 - 791 | 0 | 158 | 158 | |
792 - 848 | 0 | 156 | 156 | |
849 - 926 | 0 | 151 | 151 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
Year of birth (bottom-coded at 1953 and top-coded at 1976) on public release.
xkdsex3: Sex of third child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 584 | 1628 | |
1 | MALE | 0 | 271 | 271 |
2 | FEMALE | 0 | 231 | 231 |
xcmkdb3: Date of birth of third child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 584 | 1628 | |
526 - 710 | 0 | 100 | 100 | |
711 - 757 | 0 | 100 | 100 | |
758 - 799 | 0 | 102 | 102 | |
800 - 842 | 0 | 102 | 102 | |
843 - 924 | 0 | 98 | 98 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
Year of birth (bottom-coded at 1956 and top-coded at 1975) on public release.
xkdsex4: Sex of fourth child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 817 | 1861 | |
1 | MALE | 0 | 136 | 136 |
2 | FEMALE | 0 | 133 | 133 |
xcmkdb4: Date of birth of fourth child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 817 | 1861 | |
615 - 719 | 0 | 53 | 53 | |
720 - 760 | 0 | 53 | 53 | |
761 - 798 | 0 | 54 | 54 | |
799 - 841 | 0 | 53 | 53 | |
843 - 924 | 0 | 56 | 56 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
Year of birth (bottom-coded at 1958 and top-coded at 1971) on public release.
xkdsex5: Sex of fifth child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 944 | 1988 | |
1 | MALE | 0 | 67 | 67 |
2 | FEMALE | 0 | 75 | 75 |
xcmkdb5: Date of birth of fifth child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 944 | 1988 | |
628 - 731 | 0 | 29 | 29 | |
734 - 763 | 0 | 29 | 29 | |
766 - 799 | 0 | 28 | 28 | |
800 - 846 | 0 | 28 | 28 | |
848 - 918 | 0 | 28 | 28 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
Year of birth (1952-1960 collapsed into 1958, 1961-1965 collapsed into 1963, 1966-70 collapsed into 1967 and 1971-1976 collapsed to 1973) on public release.
xkdsex6: Sex of sixth child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 1023 | 2067 | |
1 | MALE | 0 | 36 | 36 |
2 | FEMALE | 0 | 27 | 27 |
xcmkdb6: Date of birth of sixth child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 1023 | 2067 | |
647 - 730 | 0 | 12 | 12 | |
733 - 771 | 0 | 13 | 13 | |
772 - 798 | 0 | 12 | 12 | |
800 - 827 | 0 | 12 | 12 | |
829 - 918 | 0 | 14 | 14 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
Year of birth (1953-1964 collapsed into 1961 and 1965-1976 collapsed into 1968) on public release.
xkdsex7: Sex of seventh child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 1052 | 2096 | |
1 | MALE | 0 | 13 | 13 |
2 | FEMALE | 0 | 21 | 21 |
xcmkdb7: Date of birth of seventh child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 1052 | 2096 | |
650 - 739 | 0 | 6 | 6 | |
755 - 786 | 0 | 6 | 6 | |
788 - 801 | 0 | 7 | 7 | |
811 - 850 | 0 | 6 | 6 | |
852 - 910 | 0 | 9 | 9 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
Year of birth (1954-1965 collapsed into 1963 and 1966-1975 collapsed into 1970) on public release.
xkdsex8: Sex of eighth child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 1066 | 2110 | |
1 | MALE | 0 | 7 | 7 |
2 | FEMALE | 0 | 13 | 13 |
xcmkdb8: Date of birth of eighth child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 1066 | 2110 | |
678 - 743 | 0 | 4 | 4 | |
753 - 776 | 0 | 4 | 4 | |
779 - 811 | 0 | 4 | 4 | |
813 - 849 | 0 | 4 | 4 | |
876 - 892 | 0 | 4 | 4 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
Year of birth (1956-1965 collapsed into 1962 and 1967-1974 collapsed into 1970) on public release.
xkdsex9: Sex of ninth child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 1074 | 2118 | |
1 | MALE | 0 | 7 | 7 |
2 | FEMALE | 0 | 5 | 5 |
xcmkdb9: Date of birth of ninth child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 1074 | 2118 | |
699 | 0 | 1 | 1 | |
763 | 0 | 1 | 1 | |
765 | 0 | 1 | 1 | |
777 | 0 | 2 | 2 | |
780 | 0 | 1 | 1 | |
795 | 0 | 1 | 1 | |
804 | 0 | 1 | 1 | |
846 | 0 | 1 | 1 | |
850 | 0 | 1 | 1 | |
885 | 0 | 1 | 1 | |
904 | 0 | 1 | 1 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
Year of birth (1968-1975 collapsed into 1966) on public release.
xkdsex0: Sex of tenth child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 1081 | 2125 | |
1 | MALE | 0 | 3 | 3 |
2 | FEMALE | 0 | 2 | 2 |
xcmkdb0: Date of birth of tenth child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3255 | 6648 |
-2 | 1044 | 1081 | 2125 | |
727 | 0 | 1 | 1 | |
792 | 0 | 1 | 1 | |
794 | 0 | 1 | 1 | |
811 | 0 | 1 | 1 | |
827 | 0 | 1 | 1 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
Year of birth (1960-1968 collapsed into 1966) on public release.
xkdsexa: Sex of eleventh child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Added 2/2014
*NOT AVAILABLE ON PUBLIC RELEASE*
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3394 | 3256 | 6650 |
-2 | 1043 | 1080 | 2123 | |
1 | MALE | 0 | 3 | 3 |
2 | FEMALE | 0 | 2 | 2 |
xcmkdba: Date of birth of eleventh child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Added 2/2014
*NOT AVAILABLE ON PUBLIC RELEASE*
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3394 | 3256 | 6650 |
-2 | 1043 | 1080 | 2123 | |
738 | 0 | 1 | 1 | |
810 | 0 | 1 | 1 | |
820 | 0 | 1 | 1 | |
836 | 0 | 1 | 1 | |
894 | 0 | 1 | 1 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
xkdsexb: Sex of twelfth child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Added 2/2014
*NOT AVAILABLE ON PUBLIC RELEASE*
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3394 | 3256 | 6650 |
-2 | 1043 | 1082 | 2125 | |
1 | MALE | 0 | 1 | 1 |
2 | FEMALE | 0 | 2 | 2 |
xcmkdbb: Date of birth of twelfth child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Added 2/2014
*NOT AVAILABLE ON PUBLIC RELEASE*
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3394 | 3256 | 6650 |
-2 | 1043 | 1082 | 2125 | |
762 | 0 | 1 | 1 | |
824 | 0 | 1 | 1 | |
860 | 0 | 1 | 1 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
xkdsexc: Sex of thirteenth child.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Added 2/2014
*NOT AVAILABLE ON PUBLIC RELEASE*
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3394 | 3256 | 6650 |
-2 | 1043 | 1084 | 2127 | |
1 | MALE | 0 | 1 | 1 |
xcmkdbc: Date of birth of thirteenth child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 79
Revisions: Added 2/2014
*NOT AVAILABLE ON PUBLIC RELEASE*
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3394 | 3256 | 6650 |
-2 | 1043 | 1084 | 2127 | |
897 | 0 | 1 | 1 |
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
xsexlkd: Sex of last birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97, 9/99, 2/2014
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3257 | 6650 |
-2 | 1044 | 195 | 1239 | |
1 | MALE | 0 | 449 | 449 |
2 | FEMALE | 0 | 440 | 440 |
children, this variable is the sex of the tenth child. From release
13.02 on, this variable is the sex of the last child reported.
xcmlkd: Date of birth of last child. Year on public release, century months on private release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97, 9/99, 2/2014
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3257 | 6650 |
-2 | 1044 | 195 | 1239 | |
455 - 755 | 0 | 180 | 180 | |
756 - 805 | 0 | 179 | 179 | |
806 - 844 | 0 | 180 | 180 | |
845 - 885 | 0 | 179 | 179 | |
886 - 926 | 0 | 171 | 171 |
children, this variable is the century month of birth of the tenth
child. From release 13.02 on, this variable is the century month of
birth of the last child reported.
Last 2 digits of year times 12 plus 1 = January of year
used in the equation (e.g. 38 x 12 + 1 = 457 = January,
1938). See Appendix A - COR607 for Conversion into century months.
Year of birth (bottom-coded at 1957 and top-coded at 1976) on public release.
xdurk12: Number of months between first and second birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3257 | 6650 |
-2 | 1044 | 300 | 1344 | |
0 | Zero months -- twins | 0 | 8 | 8 |
4 - 15 | 0 | 170 | 170 | |
16 - 22 | 0 | 179 | 179 | |
23 - 31 | 0 | 163 | 163 | |
32 - 45 | 0 | 161 | 161 | |
46 - 166 | 0 | 103 | 103 |
xdurk23: Number of months between second and third birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3256 | 6649 |
-2 | 1044 | 583 | 1627 | |
0 | Zero months -- twins | 0 | 10 | 10 |
5 - 17 | 0 | 111 | 111 | |
18 - 24 | 0 | 98 | 98 | |
25 - 35 | 0 | 106 | 106 | |
36 - 57 | 0 | 101 | 101 | |
59 - 241 | 0 | 76 | 76 |
xdurk34: Number of months between third and fourth birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97, 9/99
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3256 | 6649 |
-2 | 1044 | 816 | 1860 | |
0 | Zero months -- twins | 0 | 6 | 6 |
1 - 17 | 0 | 60 | 60 | |
18 - 24 | 0 | 56 | 56 | |
25 - 36 | 0 | 53 | 53 | |
37 - 58 | 0 | 52 | 52 | |
60 - 187 | 0 | 42 | 42 |
xdurk45: Number of months between fourth and fifth birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3256 | 6649 |
-2 | 1044 | 943 | 1987 | |
0 | Zero months -- twins | 0 | 5 | 5 |
6 - 16 | 0 | 30 | 30 | |
17 - 23 | 0 | 27 | 27 | |
24 - 35 | 0 | 27 | 27 | |
36 - 51 | 0 | 27 | 27 | |
52 - 162 | 0 | 26 | 26 |
xdurk56: Number of months between fifth and sixth birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3256 | 6649 |
-2 | 1044 | 1022 | 2066 | |
0 | Zero months -- twins | 0 | 1 | 1 |
11 - 18 | 0 | 12 | 12 | |
19 - 25 | 0 | 16 | 16 | |
26 - 33 | 0 | 12 | 12 | |
34 - 49 | 0 | 12 | 12 | |
61 - 149 | 0 | 10 | 10 |
xdurk67: Number of months between sixth and seventh birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3256 | 6649 |
-2 | 1044 | 1051 | 2095 | |
2 - 15 | 0 | 6 | 6 | |
16 - 18 | 0 | 8 | 8 | |
19 - 23 | 0 | 8 | 8 | |
26 - 38 | 0 | 6 | 6 | |
42 - 78 | 0 | 6 | 6 |
xdurk78: Number of months between seventh and eighth birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3256 | 6649 |
-2 | 1044 | 1065 | 2109 | |
0 | Zero months -- twins | 0 | 1 | 1 |
8 | 0 | 1 | 1 | |
10 | 0 | 1 | 1 | |
11 | 0 | 1 | 1 | |
12 | 0 | 1 | 1 | |
14 | 0 | 2 | 2 | |
16 | 0 | 1 | 1 | |
18 | 0 | 2 | 2 | |
19 | 0 | 1 | 1 | |
20 | 0 | 2 | 2 | |
28 | 0 | 1 | 1 | |
33 | 0 | 1 | 1 | |
34 | 0 | 1 | 1 | |
35 | 0 | 1 | 1 | |
38 | 0 | 1 | 1 | |
43 | 0 | 1 | 1 | |
72 | 0 | 1 | 1 |
xdurk89: Number of months between eighth and ninth birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3256 | 6649 |
-2 | 1044 | 1073 | 2117 | |
11 | 0 | 1 | 1 | |
12 | 0 | 1 | 1 | |
16 | 0 | 1 | 1 | |
20 | 0 | 1 | 1 | |
21 | 0 | 2 | 2 | |
23 | 0 | 2 | 2 | |
28 | 0 | 1 | 1 | |
36 | 0 | 1 | 1 | |
40 | 0 | 1 | 1 | |
46 | 0 | 1 | 1 |
xdurk90: Number of months between ninth and tenth birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3256 | 6649 |
-2 | 1044 | 1080 | 2124 | |
15 | 0 | 1 | 1 | |
16 | 0 | 1 | 1 | |
17 | 0 | 1 | 1 | |
23 | 0 | 1 | 1 | |
28 | 0 | 1 | 1 |
xdurk0a: Number of months between tenth and eleventh birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Added 2/2014
*NOT AVAILABLE ON PUBLIC RELEASE*
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3394 | 3256 | 6650 |
-2 | 1043 | 1080 | 2123 | |
11 | 0 | 1 | 1 | |
16 | 0 | 1 | 1 | |
25 | 0 | 1 | 1 | |
28 | 0 | 1 | 1 | |
67 | 0 | 1 | 1 |
xdurkab: Number of months between eleventh and twelfth birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Added 2/2014
*NOT AVAILABLE ON PUBLIC RELEASE*
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3394 | 3256 | 6650 |
-2 | 1043 | 1082 | 2125 | |
14 | 0 | 1 | 1 | |
24 | 0 | 1 | 1 | |
40 | 0 | 1 | 1 |
xdurkbc: Number of months between twelfth and thirteenth birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Added 2/2014
*NOT AVAILABLE ON PUBLIC RELEASE*
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3394 | 3256 | 6650 |
-2 | 1043 | 1084 | 2127 | |
37 | 0 | 1 | 1 |
xdurk1l: Number of months between first and last birth.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 78, 78b, 79
Revisions: Updated 3/97, 9/99, 2/2014
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | DON'T KNOW, NOT ASCERTAINED OR NONSAMPLE | 3393 | 3257 | 6650 |
-2 | 1044 | 300 | 1344 | |
0 | Zero months -- twins | 0 | 3 | 3 |
4 - 33 | 0 | 159 | 159 | |
34 - 54 | 0 | 162 | 162 | |
55 - 79 | 0 | 164 | 164 | |
80 - 119 | 0 | 156 | 156 | |
120 - 277 | 0 | 140 | 140 |
children, this variable is the length of time between the first birth
and the tenth child. From release 13.02 on, this variable is the
length of time between the first birth and the last birth. This is
comparable to the 1975 data.