WLS Codebooks and Flowcharts

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.

Selected Sibling

ssbsex75          Sex of selected sibling
ssbage75, ssbage  Selected sibling's age
st75s             Selected sibling's state of residence
ssbpos            Selected sibling's birth order in living sibling table
ivssbr, ivssby    Age interval between selected sibling and another sibling
ssbed, sibhs      Education of selected sibling
insib - ocisib    Codes, scores for selected sibling's job

ssbsex75: Sex of selected sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 77, 79; 402B, 402D, 402
Revisions: Updated 11/95 with 1993 survey data for 1975 NRs, 3/96, 3/97     

Frequencies
Value Label Male Female Total
1 MALE 4437 0 4437
2 FEMALE 0 4341 4341
Note: See Appendix A - COR368a for Sibling data construction.

This variable is identical to ssbsex in the Status and Descriptive Variables section of WLS Codebooks.

ssbage75: Selected sibling's age, computed by sibling self-reported birthdate in 1977 or 1994.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 79, XCMBRDX
Revisions: Added 9/05     

Frequencies
Value Label Male Female Total
-3 REFUSED, NOT ASCERTAINED 1603 1370 2973
-2 INAPPROPRIATE 2 0 2
9 - 28 586 591 1177
29 - 32 634 695 1329
33 - 37 611 642 1253
38 - 42 622 636 1258
43 - 61 379 407 786
Note: SSBAGE75 was created when it was discovered some graduates
reported incorrect ages for the selected sibling. Please use
the SSBAGE when using the sibling table, otherwise use SSBAGE75.

ssbage: Selected sibling's age, reported by graduate.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 77, 79; 402D, B402, 402
Revisions: Updated 11/95 with 1993 survey data for 1975 NRs     

Frequencies
Value Label Male Female Total
-3 NOT ASCERTAINED OR NONRESPONDENT 465 332 797
-2 358 388 746
-1 DON'T KNOW 23 20 43
4 - 29 958 1085 2043
30 - 33 1060 1083 2143
34 - 38 860 958 1818
39 - 44 876 961 1837
45 - 65 390 499 889
69 69 or more 1 0 1
Note: SSBAGE75 was created when it was discovered some graduates
reported incorrect ages for the selected sibling. Please use
the SSBAGE when using the sibling table, otherwise use SSBAGE75.

See Appendix A - COR368a for Sibling data construction.

st75s: Selected sibling's state of residence. Wisconsin or not Wisconsin on public release.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 87
Revisions: Added 9/04     

Frequencies
Value Label Male Female Total
-2 358 388 746
-1 DON'T KNOW 782 660 1442
0 Foreign Country 40 22 62
1 Alabama 3 7 10
2 Alaska 7 8 15
3 Arizona 30 43 73
4 Arkansas 4 4 8
5 California 115 153 268
6 Colorado 36 33 69
7 Connecticut 8 3 11
8 Delaware 2 1 3
9 Washington, D.C. 5 3 8
10 Florida 40 44 84
11 Georgia 13 12 25
12 Hawaii 5 4 9
13 Idaho 5 6 11
14 Illinois 156 176 332
15 Indiana 23 17 40
16 Iowa 18 23 41
17 Kansas 7 7 14
18 Kentucky 5 3 8
19 Louisiana 6 7 13
20 Maine 1 4 5
21 Maryland 15 15 30
22 Massachusetts 13 18 31
23 Michigan 45 49 94
24 Minnesota 153 155 308
25 Mississippi 2 3 5
26 Missouri 19 8 27
27 Montana 11 8 19
28 Nebraska 9 11 20
29 Nevada 6 1 7
30 New Hampshire 3 1 4
31 New Jersey 21 16 37
32 New Mexico 6 8 14
33 New York 15 36 51
34 North Carolina 13 11 24
35 North Dakota 6 5 11
36 Ohio 27 27 54
37 Oklahoma 5 3 8
38 Oregon 18 18 36
39 Pennsylvania 20 8 28
40 Rhode Island 1 1 2
41 South Carolina 3 5 8
42 South Dakota 7 2 9
43 Tennessee 9 4 13
44 Texas 25 39 64
45 Utah 3 7 10
46 Vermont 1 2 3
47 Virginia 18 22 40
48 Washington 28 19 47
49 West Virginia 3 2 5
50 Wisconsin 2815 3190 6005
51 Wyoming 2 4 6
Note: On public release "50" is Wisconsin and "0" is not Wisconsin.

See Appendix J, Cor483S for state codes.

ssbpos: Selected sibling's birth order in living sibling table, which includes graduate.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 77, 78a, 79, B402, 402
Revisions: Updated 11/95 with 1993 survey data for 1975 NRs, 04/03     

Frequencies
Value Label Male Female Total
-3 DON'T KNOW, NOT ASCERTAINED OR NONRESPONDENT 467 330 797
-2 358 388 746
1 Selected sibling is oldest living child 1076 1251 2327
2 Selected sibling has one older living sibling 1300 1378 2678
03 - 13 Selected sibling has two to twelve older living siblings 1790 1979 3769
Note: If the selected sibling's position in the Sib Table is "12"
or "13", their information is not located in the sibling roster
(CFOSX1-CFOSX11) but it is found in SSBSEX, SSBAGE, and SSBED.

See Appendix A - COR368a for Sibling data construction.

ivssbr: Age interval between graduate and selected sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: E, 77; z1, z1b, 402D, z15d, z15c, z15b
Revisions: Updated 11/95 with 1993 survey data for 1975 NRs, 4/03, 10/06     

Frequencies
Value Label Male Female Total
-3 DON'T KNOW, NOT ASCERTAINED OR NONRESPONDENT 488 353 841
-2 422 469 891
0 Zero years 15 18 33
01 - 34 One to thirty-four years 4066 4486 8552
Note: See Appendix A - COR368a for Sibling data construction.

ivssbo: Age interval between selected sibling and next older sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: E, 77; 402D, z15d, z15c, z15b, z1, z1b
Revisions: Updated 11/95 with 1993 survey data for 1975 NRs, 04/03     

Frequencies
Value Label Male Female Total
-3 DON'T KNOW, NOT ASCERTAINED OR NONRESPONDENT 493 349 842
-2 358 388 746
0 Zero years 39 59 98
01 - 24 One to twenty-four years 2961 3198 6159
55 Graduate and selected sibling are twins 64 81 145
66 Selected sibling is oldest living child 1076 1251 2327
Note: See Appendix A - COR368a for Sibling data construction.

ivssby: Age interval between selected sibling and next younger sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: E, 77; 402D, z1, z1b
Revisions: Updated 11/95 with 1993 survey data for 1975 NRs, 04/03     

Frequencies
Value Label Male Female Total
-3 DON'T KNOW, NOT ASCERTAINED OR NONRESPONDENT 487 352 839
-2 358 388 746
0 Zero years 43 32 75
01 - 24 One to twenty-four years 2664 3083 5747
66 Selected sibling is youngest living child in the sibling roster 1439 1471 2910
Note: See Appendix A - COR368a for Sibling data construction.

ssbed: Education of selected sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 77, 79; z11, B402, 402
Revisions: Updated 11/95 with 1993 survey data for 1975 NRs, 3/97, 04/03     

Frequencies
Value Label Male Female Total
-3 NOT ASCERTAINED OR NONRESPONDENT 477 345 822
-2 358 388 746
-1 DON'T KNOW 31 34 65
0 Less than one year of school 3 3 6
01 - 11 One to eleven years of school 374 559 933
12 Twelve years of school 2296 2476 4772
13 One years of college 133 192 325
14 One years of college 212 237 449
15 One years of college 117 153 270
16 One years of college 676 594 1270
17 - 27 Five to fifteen years of college/one to eleven years of graduate or professional school 313 341 654
18 6 yrs college 130 132 262
19 7 yrs college 54 41 95
20 8 yrs college 41 53 94
21 9 yrs college 12 11 23
22 10 yrs college 3 1 4
23 11 yrs college 5 0 5
24 12 yrs college 4 3 7
25 13 yrs college 0 1 1
26 14 yrs college 1 1 2
27 15 yrs college 0 1 1
32 High school equivalency - GED (code added for 1975 NRs who responded in 1992/93) 1 4 5
Note: See Appendix A - COR368a for Sibling data construction
in the 1975 survey.

sibhs: Last high school selected sibling attended.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 80; z13, z13a, z13b, B402, 402
Revisions: Updated 11/95 with 1993 survey data for 1975 NRs, 3/97, 4/03     
*NOT AVAILABLE ON PUBLIC RELEASE*

Frequencies
Value Label Male Female Total
-3 NOT ASCERTAINED OR NONRESPONDENT 470 345 815
-2 358 388 746
-1 DON'T KNOW 46 59 105
0 Out of state 123 154 277
101 - 840 HIGH SCHOOL CODES-APPENDIX X 3881 4227 8108
843 - 872 High school codes - Appendix A (codes added for 1975 NRs who responded in 1992/93) 3 11 14
991 Sibling did not attend high school 110 142 252
Note: Appendix A is not available on public release.

insib: 1970 Census detailed industry for selected sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 82-86
Revisions: Updated 10/06     

Frequencies
Value Label Male Female Total
-3 NOT ASCERTAINED OR NONRESPONDENT 694 570 1264
-2 1496 1506 3002
-1 DON'T KNOW 102 146 248
017 - 937 1970 INDUSTRY CODES 2699 3104 5803
Note: See Appendix E - Occupation coding 1957, 1964, and tax.

ocsib: 1970 Census detailed occupation for selected sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 82-86

Frequencies
Value Label Male Female Total
-3 NOT ASCERTAINED OR NONRESPONDENT 694 571 1265
-2 1496 1506 3002
-1 DON'T KNOW 110 159 269
001 - 984 1970 OCCUPATION CODES 2691 3090 5781
Note: See Appendix E - Occupation coding 1957, 1964, and tax.

cwsib: Class of worker code for selected sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 82-86

Frequencies
Value Label Male Female Total
-3 NOT ASCERTAINED OR NONRESPONDENT 698 571 1269
-2 1496 1506 3002
-1 DON'T KNOW 100 119 219
1 Private company, business or individual for wages, salary or commission 1804 2132 3936
2 Government employee (federal, state or local government) 564 589 1153
3 Own business or professional practice; incorporated 70 60 130
4 Own business or professional practice; not incorporated 249 325 574
5 Working without pay in a family business or farm 10 24 34
Note: See Appendix E - Occupation coding 1957, 1964, and tax.

inmsib: 1970 Major industry code for selected sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 84
Revisions: Updated 6/95, 04/03     

Frequencies
Value Label Male Female Total
-3 NOT ASCERTAINED OR NONRESPONDENT 694 570 1264
-2 1496 1506 3002
-1 DON'T KNOW 102 146 248
1 Agriculture, Forestry, And Fisheries 116 172 288
2 Mining 11 3 14
3 Construction 170 166 336
4 Manufacturing 769 887 1656
5 Transportation, Communications, And Other Public Utilities 152 166 318
6 Wholesale And Retail Trade 373 494 867
7 Finance, Insurance, And Real Estate 141 144 285
8 Business And Repair Services 83 101 184
9 Personal Services 61 70 131
10 Entertainment And Recreation Services 20 20 40
11 Public Administration 200 214 414
12 Professional And Related Services 603 667 1270
Note: See Appendix E - Coding of 1975 and 1977 industry, occupation
and class of worker.

In all releases prior to 6/95, major industry variables had codes "10"
and "12" condensed into "10". See Appendix E - COR569 for Correction
of error in major industry codes or Change Notice #1.

ocmsib: 1970 Major occupation code for selected sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 82-86

Frequencies
Value Label Male Female Total
-3 NOT ASCERTAINED, NONRESPONDENT OR MILITARY OCCUPATION 834 756 1590
-2 1496 1506 3002
1 Professional, Technical & Specialty: Self-Employed & w/o Pay 59 56 115
2 Professional, Technical & Specialty: Salaried & N.A. 598 631 1229
3 Executives, Administrators & Managers: Salaried & N.A. 245 259 504
4 Executives, Administrators & Managers: Self-Employed & w/o Pay 94 108 202
5 Sales: Not Retail Trade 110 104 214
6 Sales: Retail Trade 66 85 151
7 Administrator Support, Including Clerical 369 444 813
8 Precision Production, Craftsmen, Repair: Manufacturing 181 210 391
9 Precision Production, Craftsmen, Repair: Construction 93 81 174
10 Precision Production, Craftsmen, Repair: All Other & N.A. 134 167 301
11 Operators & Fabricators: Manufacturing 232 278 510
12 Operators & Fabricators: All Other & N.A. 106 135 241
13 Service Occupations 198 265 463
14 Handlers, Equipment Cleaners, Helpers/Laborers: Manufacturing 33 28 61
15 Handlers, Equipment Cleaners, Helpers/Laborers: All Other & N.A. 43 55 98
16 Farm Operators & Managers 90 130 220
17 Farm Workers & Related Occupations 10 28 38
Note: See Appendix E - COR713 and MEMO133 for creation of major industry,
major occupation, status, and prestige.

See Appendix E - Occupation coding 1957, 1964, and tax.

ocssibu: 1970 Duncan SEI occupational score for selected sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 82, 84
Revisions: Replacement 11/95; Updated 3/96, 9/00, 4/03      Archived variable: ocssib

Frequencies
Value Label Male Female Total
-3 NOT ASCERTAINED, NONRESPONDENT OR MILITARY OCCUPATION 724 597 1321
-2 1496 1506 3002
-1 DON'T KNOW 110 159 269
010 - 960 1970 DUNCAN SEI 2661 3064 5725
Note: See Change Notice #21 for information about the 9/00 update.

See Appendix E - COR713 and MEMO133 for creation of major industry,
major occupation, status, and prestige.

ocpsibu: 1970 Siegel prestige score for selected sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 82, 84
Revisions: Replacement 11/95; Updated 3/96, 9/00, 4/03      Archived variable: ocpsib

Frequencies
Value Label Male Female Total
-3 NOT ASCERTAINED, NONRESPONDENT OR MILITARY OCCUPATION 724 597 1321
-2 1496 1506 3002
-1 DON'T KNOW 110 159 269
141 - 812 1970 NORC/SIEGEL PRESTIGE 2661 3064 5725
Note: See Change Notice # 21 for information about the 9/00 update.

See Appendix E - COR713 and MEMO133 for creation of major industry,
major occupation, status, and prestige.

ocesib: 1970 Occupational education score for selected sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 82, 84
Revisions: Added 9/00     

Frequencies
Value Label Male Female Total
-3 NOT ASCERTAINED OR NONRESPONDENT IN BOTH 1975 AND 1992/93 INTERVIEWS OR MILITARY OCCUPATION 724 591 1315
-2 1496 1507 3003
-1 DON'T KNOW 110 159 269
0015 - 0995 1970 Education Score 2661 3069 5730
Note: There is an implied decimal point one place to the left of
the right most digit.

The 1970-basis occupational education score is the percentage of persons
in the 1970 Census in an occupation/industry/class-of-worker category
who completed one year of college or more. See Appendix P--COR 638 and
COR 713for details, and a recommended transformation of this variable
is described in MEMO133.

ocisib: 1970 Occupational income score for selected sibling.

Data source: Graduate Respondent      Collected in: 1975      Mode: phone
Source variables: 82, 84
Revisions: Added 9/00     

Frequencies
Value Label Male Female Total
-3 NOT ASCERTAINED OR NONRESPONDENT IN BOTH 1975 AND 1992/93 INTERVIEWS OR MILITARY OCCUPATION 724 591 1315
-2 1496 1507 3003
-1 DON'T KNOW 110 159 269
0000 - 0877 1970 Income Score 2661 3069 5730
Note: There is an implied decimal point one place to the left of
the right most digit.

The 1970-basis occupational education score is the percentage of persons
in the 1970 Census in an occupation/industry/class-of-worker category
who completed one year of college or more. See Appendix P--COR 638 and
COR 713for details, and a recommended transformation of this variable
is described in MEMO133.

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