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.
Cognition - TICSm
Overview Cognition - TICSm TICSm (Telephone Interview for Cognitive Status - modified) is used for the first time in the ILIAD wave of WLS. TICSm is a validated measures to assess risk of dementia via a telephone inteview. For purposes of selection into the longer more intensive interview we make two adjustments to participant's summary score (q1i915re). First we adjust for their educational history. We subtract two points from their total score if they have any education beyond high school; we add two points if they completed 8-11 years of formal schooling; we add five points if they have fewer than 8 years of formal schooling. Second we subtract one point from the total score if they have earlier evidence of cognitive decline (q1i913re=1). We created this decline measure from 4 components: Immediate and Delayed Recall, Letter Fluency and Digit Ordering. The adjustment (q1i913re) was set to 1 for the 10 percent of the sample that showed the largest decline between 2004 and 2011. Any participant whose adjusted score is below 29 was invited to participate in our longer interview. Researchers should use the provided summary score without adjustments (q1i915re) in their models.
q1i900re: Score for Orientation to Name
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB1
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
1 | 0 | 4 | 4 | |
2 | 1471 | 1873 | 3344 |
q1i901re: Score for Phone
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB6
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | 115 | 118 | 233 | |
1 | 1356 | 1759 | 3115 |
q1i902re: Score for Age
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB2
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | 66 | 80 | 146 | |
1 | 1405 | 1797 | 3202 |
q1i903re: Score for Immediate Recall
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB8
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | 42 | 23 | 65 | |
1 | 111 | 95 | 206 | |
2 | 283 | 235 | 518 | |
3 | 390 | 434 | 824 | |
4 | 359 | 442 | 801 | |
5 | 175 | 324 | 499 | |
6 | 72 | 178 | 250 | |
7 | 29 | 90 | 119 | |
8 | 5 | 41 | 46 | |
9 | 5 | 13 | 18 | |
10 | 0 | 2 | 2 |
q1i904re: Score for Orientation to Time
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB3 scoreB4 scoreB5
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | 5 | 6 | 11 | |
1 | 9 | 18 | 27 | |
2 | 32 | 21 | 53 | |
3 | 99 | 111 | 210 | |
4 | 413 | 443 | 856 | |
5 | 913 | 1278 | 2191 |
q1i905re: Score for Backwards Count
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB7
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | 38 | 44 | 82 | |
1 | 100 | 122 | 222 | |
2 | 1333 | 1711 | 3044 |
q1i906re: Score for Naming
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB10 scoreB11 scoreB12 scoreB13
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | 1 | 0 | 1 | |
1 | 8 | 2 | 10 | |
2 | 15 | 18 | 33 | |
3 | 126 | 110 | 236 | |
4 | 1321 | 1747 | 3068 |
q1i907re: Score for Serial 7 Subtractions
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB9
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | 34 | 104 | 138 | |
1 | 141 | 230 | 371 | |
2 | 102 | 189 | 291 | |
3 | 170 | 264 | 434 | |
4 | 322 | 434 | 756 | |
5 | 702 | 656 | 1358 |
q1i908re: Score for Repetition
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB14 scoreB15
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | 130 | 116 | 246 | |
1 | 507 | 488 | 995 | |
2 | 834 | 1273 | 2107 |
q1i909re: Score for Recent Memory
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB16 scoreB17
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | 31 | 51 | 82 | |
1 | 60 | 79 | 139 | |
2 | 266 | 330 | 596 | |
3 | 465 | 592 | 1057 | |
4 | 649 | 825 | 1474 |
q1i910re: Score for Praxis
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB18
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | 80 | 101 | 181 | |
1 | 249 | 318 | 567 | |
2 | 1142 | 1458 | 2600 |
q1i911re: Score for Opposites
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB19 scoreB20
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | 63 | 25 | 88 | |
1 | 329 | 310 | 639 | |
2 | 1079 | 1542 | 2621 |
q1i912re: Score for Delayed Recall
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: scoreB21
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | 239 | 213 | 452 | |
1 | 360 | 306 | 666 | |
2 | 397 | 421 | 818 | |
3 | 287 | 414 | 701 | |
4 | 115 | 272 | 387 | |
5 | 44 | 133 | 177 | |
6 | 17 | 67 | 84 | |
7 | 7 | 27 | 34 | |
8 | 5 | 19 | 24 | |
9 | 0 | 4 | 4 | |
10 | 0 | 1 | 1 |
q1i913re: Adjustment for prior evidence of cognitive decline
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: p_Cogn_Decline
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | No adjustment | 1359 | 1665 | 3024 |
1 | Subtract one point | 112 | 212 | 324 |
q1i914re: Adjustment based on education level
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: p_TICS_offset
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
0 | No adjustment | 741 | 1197 | 1938 |
1 | Subtract two points | 730 | 680 | 1410 |
q1i915re: TICSm Score
Data source: Graduate Respondent
Collected in: 2020
Mode: In person & telephone
Source variables: q1i900re-q1i912re
Frequencies | ||||
---|---|---|---|---|
Value | Label | Male | Female | Total |
. | System missing - NR | 3520 | 3449 | 6969 |
4 - 28 | 361 | 382 | 743 | |
29 - 31 | 332 | 345 | 677 | |
32 - 34 | 404 | 433 | 837 | |
35 - 37 | 266 | 415 | 681 | |
38 - 50 | 108 | 302 | 410 |