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.
Summary, Status, and Geography
xxrsib Relation to graduate xrsp77,xsmgp 1977 sampling details xsmtwinx Graduate and sib twins? age77 Current age st77s, xiost77 State of residence xgeog77, xmcd77 Geocodes for 1977 place of residence xspl100 Population of 1977 place of residence xadr70 1977 residence same as 1970? xtimint - xidint Time, length, date of interview
xxrsib: How are the sibling respondent and the graduate related?
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 51, 51a
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED, 1975 RESPONDENT OR 1977 NONSAMPLE | 3402 | 3270 | 6672 |
1 | Full siblings | 994 | 1010 | 2004 |
2 | Adopted | 5 | 14 | 19 |
3 | Half-siblings with a common mother | 15 | 25 | 40 |
4 | Half-siblings with a common father | 17 | 16 | 33 |
5 | Step-siblings | 4 | 6 | 10 |
1977 sibling study.
xrsp77: Sample code for 1977 sibling sample.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: sexrsp, ssbsex, 51, 51a
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NONSAMPLE | 3218 | 3122 | 6340 |
1 | 1975 respondent female, 1977 sibling respondent female, nontwins | 0 | 855 | 855 |
2 | 1975 respondent male, 1977 sibling respondent male, nontwins | 854 | 0 | 854 |
3 | 1975 respondent female, 1977 sibling respondent male, nontwins | 295 | 0 | 295 |
4 | 1975 respondent male, 1977 sibling respondent female, nontwins | 0 | 287 | 287 |
11 | Twin sample, 1975 respondent female, 1977 sibling respondent female | 0 | 16 | 16 |
12 | Twin sample, 1975 respondent male, 1977 sibling respondent male | 20 | 0 | 20 |
14 | Twin sample, 1975 respondent male, 1977 sibling respondent female | 0 | 6 | 6 |
15 | Twin sample only | 41 | 36 | 77 |
21 | Sibling is a 1975 respondent, 1975 respondent female, 1977 sibling respondent male, nontwins | 1 | 3 | 4 |
22 | Sibling is a 1975 respondent, 1975 respondent female, 1977 sibling respondent female, nontwins | 0 | 2 | 2 |
31 | Twin sample, sibling is a 1975 respondent, 1975 respondent female, 1977 sibling respondent female | 0 | 10 | 10 |
32 | Twin sample, sibling is a 1975 respondent, 1975 respondent male, 1977 sibling respondent male | 4 | 0 | 4 |
33 | Twin sample, sibling is a 1975 respondent, 1975 respondent female, 1977 sibling respondent male | 4 | 1 | 5 |
34 | Twin sample, sibling is a 1975 respondent, 1975 respondent male, 1977 sibling respondent female | 0 | 3 | 3 |
study and other notes. Eleven pairs of twins and three nontwins had
already completed the 1975 interviews.
See Appendix A - COR700 for Background variables for the
1977 sibling study.
xsmgp: Sample code for sex pairs for 1977 sibling sample.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: sexrsp, ssbsex, 51, 51a
Revisions: Updated 3/97 for 1975 primary respondents who were also selected siblings
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
1 | 1975 respondent female, 1977 sibling respondent female | 0 | 788 | 788 |
2 | 1975 respondent male, 1977 sibling respondent male | 750 | 0 | 750 |
3 | 1975 respondent female, 1977 sibling respondent male | 259 | 1 | 260 |
4 | 1975 respondent male, 1977 sibling respondent female | 0 | 268 | 268 |
5 | Twin respondents that did not fall into groups 0-4 above | 35 | 32 | 67 |
9 | SIBLING NONSAMPLE | 3393 | 3252 | 6645 |
1977 sibling study.
See Appendix A - Memo127a for Selection of sample for sibling study
and other notes. Eleven pairs of twins and three nontwins had already
completed the 1975 interviews.
xsmtwinx: Sample code for twins for 1977 sibling sample.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 51, 51a
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NONSAMPLE | 3393 | 3252 | 6645 |
0 | NO, 1975 respondent and 1977 sibling respondent NOT twins | 983 | 1025 | 2008 |
1 | YES, 1975 respondent and 1977 sibling respondent ARE twins | 61 | 64 | 125 |
This variable is identical to xsmtwin in the Status and Descriptive Variables section of WLS Codebooks.
age77: Sibling respondent's current age.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: XCMBRDX
Revisions: Updated 6/2023
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-2 | 3955 | 4254 | 8209 | |
21 - 31 | 228 | 237 | 465 | |
32 - 35 | 256 | 264 | 520 | |
36 - 40 | 252 | 260 | 512 | |
41 - 47 | 227 | 227 | 454 | |
48 - 63 | 73 | 84 | 157 |
st77s: Sibling respondent's current state of residence. Wisconsin or not Wisconsin on public release.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 92
Revisions: Added 9/04
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-2 | 364 | 391 | 755 | |
-1 | DON'T KNOW | 3559 | 3825 | 7384 |
0 | Not in USA | 26 | 19 | 45 |
1 | Alabama | 1 | 5 | 6 |
3 | Arizona | 13 | 7 | 20 |
4 | Arkansas | 1 | 0 | 1 |
5 | California | 30 | 45 | 75 |
6 | Colorado | 14 | 6 | 20 |
7 | Connecticut | 3 | 0 | 3 |
8 | Delaware | 1 | 0 | 1 |
9 | Washington, D.C. | 0 | 1 | 1 |
10 | Florida | 15 | 10 | 25 |
11 | Georgia | 3 | 4 | 7 |
13 | Idaho | 0 | 3 | 3 |
14 | Illinois | 29 | 62 | 91 |
15 | Indiana | 8 | 5 | 13 |
16 | Iowa | 3 | 9 | 12 |
17 | Kansas | 4 | 2 | 6 |
18 | Kentucky | 2 | 3 | 5 |
19 | Louisiana | 2 | 1 | 3 |
20 | Maine | 0 | 1 | 1 |
21 | Maryland | 6 | 5 | 11 |
22 | Massachusetts | 3 | 7 | 10 |
23 | Michigan | 13 | 9 | 22 |
24 | Minnesota | 53 | 47 | 100 |
26 | Missouri | 4 | 1 | 5 |
27 | Montana | 5 | 3 | 8 |
28 | Nebraska | 2 | 1 | 3 |
29 | Nevada | 1 | 0 | 1 |
30 | New Hampshire | 3 | 1 | 4 |
31 | New Jersey | 6 | 3 | 9 |
32 | New Mexico | 1 | 3 | 4 |
33 | New York | 1 | 6 | 7 |
34 | North Carolina | 3 | 2 | 5 |
35 | North Dakota | 1 | 2 | 3 |
36 | Ohio | 11 | 9 | 20 |
37 | Oklahoma | 2 | 0 | 2 |
38 | Oregon | 6 | 3 | 9 |
39 | Pennsylvania | 5 | 0 | 5 |
41 | South Carolina | 1 | 0 | 1 |
42 | South Dakota | 0 | 1 | 1 |
43 | Tennessee | 6 | 3 | 9 |
44 | Texas | 10 | 11 | 21 |
45 | Utah | 1 | 1 | 2 |
47 | Virginia | 5 | 1 | 6 |
48 | Washington | 11 | 10 | 21 |
49 | West Virginia | 1 | 2 | 3 |
50 | Wisconsin | 751 | 794 | 1545 |
51 | Wyoming | 1 | 2 | 3 |
available on the public release.
See Appendix J, Cor483S for state codes.
xiost77: Did the sibling respondent live in Wisconsin at the time of interview?
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 92
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3252 | 6645 |
0 | NO | 279 | 310 | 589 |
1 | YES | 765 | 779 | 1544 |
xgeog77: Sibling respondent's current address.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 92
Revisions: Updated 3/97
*NOT AVAILABLE ON PUBLIC RELEASE*
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3252 | 6645 |
10,150,060 - 271371765 | 194 | 232 | 426 | |
271373915 - 550270190 | 224 | 205 | 429 | |
550270540 - 550791645 | 278 | 286 | 564 | |
550791850 - 551211205 | 200 | 228 | 428 | |
551212475 - 560430435 | 148 | 138 | 286 |
6-9 reflect place. Unknown or uncodable responses for state, county,
place or Minor Civil Division are coded zeros.
See Appendix B - Memo007 for Codes from Geographic Location
Codes, 1970 Census PHC (R)-3 (State, County, Place).
If R lived in a foreign country, the code was taken from
Geographical Location Codes (Sept. 1969), U.S. General
Services Administration, Office of Finance.
For the 25 sib-respondents who are also graduates (XSTAT77=10),
XGEOG77 is the code for 1975 place of residence.
xmcd77: Minor Civil Division for 1977 sibling respondent's address.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 92
Revisions: Updated 3/97
*NOT AVAILABLE ON PUBLIC RELEASE*
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3252 | 6645 |
0 | Lived in a foreign country | 0 | 2 | 2 |
2 - 25 | 205 | 243 | 448 | |
30 - 50 | 296 | 314 | 610 | |
55 - 85 | 213 | 221 | 434 | |
90 - 140 | 229 | 210 | 439 | |
145 - 440 | 101 | 99 | 200 |
xspl100: Size of 1977 place of residence in hundreds using 1970 census data.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: XGEOG77
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3441 | 3306 | 6747 |
1 - 28 | 204 | 208 | 412 | |
29 - 120 | 216 | 191 | 407 | |
121 - 357 | 195 | 213 | 408 | |
358 - 952 | 192 | 218 | 410 | |
954 - 78949 | 189 | 205 | 394 |
to hundreds. For example, code "0" is for places from 1-50
in size, code "1" is for 51-150, etc. See Appendix B - COR337a
and COR344a for creation of size of place variables.
For the 25 sib-respondents who are also graduates (XSTAT77=10),
XSPL100 is the code for 1975 place of residence.
xadr70: Is current residence same as that of march, 1970?
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: 14
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3253 | 6646 |
0 | NO | 664 | 603 | 1267 |
1 | YES | 380 | 485 | 865 |
xtimint: Time started interview.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: v
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3252 | 6645 |
-2 | 8 | 17 | 25 | |
820 - 1110 | 173 | 249 | 422 | |
1111 - 1338 | 162 | 259 | 421 | |
1339 - 1610 | 146 | 279 | 425 | |
1611 - 1837 | 257 | 166 | 423 | |
1838 - 2132 | 298 | 119 | 417 |
study and other notes. Eleven pairs of twins and three nontwins had
already completed the 1975 interviews..
xlngint: Length of interview in minutes.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: v, vi
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3252 | 6645 |
-2 | 8 | 17 | 25 | |
10 - 20 | 298 | 274 | 572 | |
21 - 25 | 378 | 316 | 694 | |
26 - 30 | 211 | 284 | 495 | |
31 - 95 | 149 | 198 | 347 |
study and other notes. Eleven pairs of twins and three nontwins had
already completed the 1975 interviews.
xmoint: Month of interview.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: ii
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3252 | 6645 |
-2 | 8 | 17 | 25 | |
1 | January | 35 | 79 | 114 |
2 | February | 585 | 672 | 1257 |
3 | March | 401 | 315 | 716 |
4 | April | 11 | 6 | 17 |
5 | May | 4 | 0 | 4 |
study and other notes. Eleven pairs of twins and three nontwins had
already completed the 1975 interviews.
xdayint: Day of interview.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: ii
Revisions: Updated 3/97
*NOT AVAILABLE ON PUBLIC RELEASE*
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3252 | 6645 |
-2 | 8 | 17 | 25 | |
1 - 5 | 219 | 214 | 433 | |
6 - 10 | 209 | 225 | 434 | |
11 - 16 | 195 | 240 | 435 | |
17 - 23 | 245 | 223 | 468 | |
24 - 31 | 168 | 170 | 338 |
study and other notes. Eleven pairs of twins and three nontwins had
already completed the 1975 interviews.
xcmint: Date of interview in century months.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: ii
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3252 | 6645 |
902 | 0 | 3 | 3 | |
903 | 1 | 4 | 5 | |
904 | 2 | 2 | 4 | |
905 | 2 | 4 | 6 | |
906 | 3 | 3 | 6 | |
907 | 0 | 1 | 1 | |
925 | 35 | 79 | 114 | |
926 | 586 | 672 | 1258 | |
927 | 400 | 315 | 715 | |
928 | 11 | 6 | 17 | |
929 | 4 | 0 | 4 |
12 + 1 = 457 = January, 1938). See Appendix A - COR607 for Conversion into century months.
No allocations were needed for construction so there is no allocation flag accompanying this
variable. 1975 respondents have date of 1975 interview. Allocation flags indicate whether some
method other than "straight" coding was used to assign a code to a variable.
See Appendix A - Memo127a for Selection of sample for sibling study and other notes. Eleven
pairs of twins and three nontwins had already completed the 1975 interviews.
xidint: Interviewer ID #.
Data source: Sibling Respondent
Collected in: 1977
Mode: phone
Source variables: iv
Revisions: Updated 3/97
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
-3 | NOT ASCERTAINED OR NONSAMPLE | 3393 | 3252 | 6645 |
1 - 15 | 224 | 311 | 535 | |
16 - 28 | 280 | 296 | 576 | |
29 - 44 | 252 | 209 | 461 | |
45 - 61 | 244 | 230 | 474 | |
62 | 44 | 43 | 87 |