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.

Phone: Depression

GDEPR Depression Module 
                    
OVERVIEW

Information about the Graduate Respondent's depression experience was collected
in the following manner:

   - In 2004, life-time experiences of depression have been asked to 
     Graduate Respondents who were randomly selected to answer on 
     alcohol consumption and depression experiences (ALCFLAG = 1).
     The random sample selection flag GU001RE in this moduel is
     identical to GUA01RE in the Alcohol module.
     
   - This 2004 questionnaire is replicate of 1993 survey and they  
     share same data structure.     

   
BRIEF VARIABLE DESCRIPTIONS 

    GU001RE:            Random Sub-Sample Selection Flag (ALCFLAG).

    GU002RE-GU012RE:    Ever Depressed, Age, Symptoms. 

    GU013RE:            Count of Depression Episodes Lasting Two Weeks
                        or More.

    GU014RE-GU015RE:    Length of Depression Episode for Respondents
                        Who Had Only One Episode.

    GU016RE-GU019RE:    Average Duration and Average Time Between 
                        Episodes for Respondents Who Had More than
                        One Depression Episode.

    GU020RE-GU021RE:    Age at First and Last Episodes of Depression.

    GU022RE-GU023RE:    Psychological Well-Being between Depression
                        Episodes.

    GU024RE:            Count of Depression Symptoms.

    GUA24RE:            Number of valid responses to depression symptoms, 
                        GU006RE-GU012RE.
    
    
Note: See COR 852 in Appendix M for variable creation details

gu001re: Random 79 percent sample for depression & alcohol sections.

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: alcflag

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
0 R not in sub sample, did not answer depression section 739 861 1600
1 R in sub sample, answered depression section 2631 3034 5665
Note: If gu001re is 0, then no further questions about depression are asked.

Religion, cognition, digit ordering, volunteer, and alcohol and depression are asked of the same sub-sample.

This variable is identical to gua01re in the Alcohol module.

gu002re: Have you ever had a time in life lasting two weeks or more when nearly every day you felt sad, blue, depressed, or when you lost interest in most things like work, hobbies, or things you usually liked to do for fun?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u866f

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 PARTIAL INTERVIEW 83 72 155
-3 REFUSED 7 5 12
-2 739 861 1600
-1 DON'T KNOW 3 1 4
1 YES 402 815 1217
2 NO 2136 2141 4277
Note: If gu002re is NOT 1, then no further questions about depression are asked.

gu003re: Were your experiences with depression always caused by alcohol, drugs, medications, or physical illness?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u866m

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-3 Refused 0 1 1
-2 Inappropriate 2885 3008 5893
-1 Don't Know 8 7 15
1 Yes 116 186 302
2 Sometimes 29 32 61
3 No 249 589 838
Note: If gu003re is 1, then no further questions about depression are asked.

gu004re: What age were you when you experienced the worst, particularly bad, or the most recent period of depression?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u868, u868m, u868s

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-2 3001 3194 6195
-1 Don't Know 4 6 10
10 - 99 Years Old 282 623 905
Note: We first ask about the age of the worst period. If there is no worst period or all periods are alike, then we ask about the particulary bad one. If respondent cannot think of the particulary bad one, then we ask about the most recent one. See gu005re for types of depressive episode.

gu005re: Was the depression the worst, particularly bad, or the most recent episode?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u868, u868f

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-2 3001 3194 6195
1 Data is for the worst spell 276 603 879
2 Data is for a particularly bad spell 2 11 13
3 Data is for the most recent spell 8 15 23

gu006re: During your worst, particularly bad, or most recent episode of depression, did you lose weight without trying to - as much as 2 pounds a week for several weeks or as much as 10 pounds altogether?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u870a

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 PARTIAL INTERVIEW 83 72 155
-2 3001 3194 6195
-1 DON'T KNOW 10 15 25
1 YES 84 240 324
2 NO 192 374 566

gu007re: During your worst, particularly bad, or most recent episode of depression, did you have two weeks or more when nearly every night you had trouble falling asleep?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u870b

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 PARTIAL INTERVIEW 83 72 155
-2 3001 3194 6195
-1 DON'T KNOW 9 13 22
1 YES 166 385 551
2 NO 111 231 342

gu008re: During your worst, particularly bad, or most recent episode of depression, did you have two weeks or more when you lacked energy or felt tired all the time, even when you had not been working very hard?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u870c

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 PARTIAL INTERVIEW 83 72 155
-2 3001 3194 6195
-1 DON'T KNOW 3 8 11
1 YES 192 496 688
2 NO 91 125 216

gu009re: During your worst, particularly bad, or most recent episode of depression, did you have two weeks or more when you felt very bad when waking up, but felt better later in the day?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u870d

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 PARTIAL INTERVIEW 83 72 155
-3 REFUSED 1 0 1
-2 3001 3194 6195
-1 DON'T KNOW 8 44 52
1 YES 160 332 492
2 NO 117 253 370

gu010re: During your worst, particularly bad, or most recent episode of depression, did you have two weeks or more when you lost interest in most things like work, hobbies, or things you usually liked to do for fun?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u870e

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 PARTIAL INTERVIEW 83 72 155
-2 3001 3194 6195
-1 DON'T KNOW 3 9 12
1 YES 210 499 709
2 NO 73 121 194

gu011re: During your worst, particularly bad, or most recent episode of depression, did you have two weeks or more when nearly every day you had a lot more trouble concentrating than is normal?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u870f

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 PARTIAL INTERVIEW 83 72 155
-2 3001 3194 6195
-1 DON'T KNOW 4 19 23
1 YES 196 429 625
2 NO 86 181 267

gu012re: During your worst, particularly bad, or most recent episode of depression, did you have two weeks or more when you thought a lot about death - either your own, someone else's, or death in general?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u870g

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 PARTIAL INTERVIEW 83 72 155
-3 REFUSED 0 1 1
-2 3001 3194 6195
-1 DON'T KNOW 1 6 7
1 YES 142 379 521
2 NO 143 243 386
Note: If the total number of symptoms is less than two (if gu024re < 2), no further questions are asked.

gu013re: How many periods have you had in your lifetime that lasted two weeks or more when you felt sad, blue or depressed?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u872e

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-3 Refused 0 1 1
-2 3038 3238 6276
-1 Don't Know 17 49 66
1 - 100 Number of Depressed Periods 232 535 767
Note: gu013re is top coded at 50 on the public release. Periods should be counted separately if the recovery time between depression spells is two months or more. If respondent has had ONLY ONE period (gu013re = 1), gu014re and gu015re are asked, then no further questions are asked. If respondent has had MORE THAN ONE period (gu013re > 1), then goto gu016re.

gu014re: How long did your sole period of depression last?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u873_a

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-2 3160 3558 6718
-1 Don't Know 8 15 23
1 - 365 Length of Period 119 250 369
Note: This question is for respondents who has expereinced ONLY ONE depression episode mentioned at gu013re (gu013re = 1).

gu015re: What is the unit for the length of the sole period when you felt sad, blue, or depressed?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u873_b

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-2 3168 3573 6741
1 Day 0 2 2
2 Week 29 51 80
3 Month 63 143 206
4 Year 27 54 81
Note: This question is for respondents who has expereinced ONLY ONE depression episode mentioned at gu013re (gu013re = 1).

gu016re: What is the average length of the periods when you felt sad, blue, or depressed?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u873b_a

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-3 Refused 3 1 4
-2 3182 3552 6734
-1 Don't Know 9 37 46
1 - 365 Average Length of Periods 93 233 326
Note: This and further questions are for respondents who has expereinced MORE THAN ONE depression episodes mentioned at gu013re (gu013re > 1).

gu017re: What is the unit for the average length of the periods when you felt sad, blue, or depressed?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u873b_b

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-2 3194 3590 6784
1 Day 2 2 4
2 Week 47 82 129
3 Month 41 118 159
4 Year 3 31 34

gu018re: What is the usual length of time between the end of one period of depression to the beginning of the next?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u873d_a

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-3 Refused 2 2 4
-2 3182 3552 6734
-1 Don't Know 30 98 128
1 - 365 Usual Length of Time 73 171 244

gu019re: What is the unit for the usual length of time between the end of one period of depression to the beginning of the next?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u873d_b

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-2 3214 3652 6866
1 Day 1 2 3
2 Week 5 8 13
3 Month 18 33 51
4 Year 49 128 177

gu020re: What age were you the first time the you had a period of two weeks or more when you felt sad, blue or depressed?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u871m

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-2 3182 3552 6734
-1 Don't Know 4 9 13
10 - 99 Years Old 101 262 363

gu021re: What age were you the last time you had a period of two weeks or more when you felt sad, blue or depressed?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u871t

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-3 Refused 0 1 1
-2 3182 3552 6734
-1 Don't Know 3 6 9
10 - 99 Years Old 102 264 366

gu022re: Between any periods of two weeks or more of feeling sad, blue or depressed, were you feeling O.K. at least for some months?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u872f

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 PARTIAL INTERVIEW 83 72 155
-2 3182 3552 6734
-1 DON'T KNOW 1 1 2
1 YES 100 264 364
2 NO 4 6 10

gu023re: Between any periods of two weeks or more of feeling sad, blue or depressed, were you fully able to work and enjoy being with other people?

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u872g

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 PARTIAL INTERVIEW 83 72 155
-2 3182 3552 6734
1 YES 99 256 355
2 NO 6 15 21

gu024re: Count of depression symptoms.

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: gu006re, gu007re, gu008re, gu009re, gu010re, gu011re, gu012re
Revisions: Updated Jan 2008     

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-3 Refused, not ascertained 11 11 22
-2 855 1047 1902
0 No Depression Symptoms 2151 2153 4304
1 - 7 Number of Depression Symptoms 270 612 882
Note: This variable is the sum of symptoms which respondent has expereinced from gu006RE to gu012RE.

If a valid yes or no response is given for fewer then 4 of the 7 symptoms in gu006re to gu012re then gu024re is coded -3. Gua24re indicates the number of valid responses.

The code 0 includes those who have never experienced a period of depression according to response in gu002re.

The -2 code includes those whose depression always caused by alcohol, drugs, medications, or physical illness, gu003re=1.

gua24re: Number of valid responses to depression symptoms in gu006re through gu012re.

Data source: Graduate Respondent      Collected in: 2004      Mode: phone
Source variables: u870
Revisions: Added Jan 2008     

Frequencies
Value Label Male Female Total
. System missing - NR 1621 1431 3052
-5 Partial 83 72 155
-2 2991 3188 6179
0 10 6 16
2 0 3 3
3 1 2 3
4 1 3 4
5 4 15 19
6 24 53 77
7 256 553 809

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