Geriatric Depression Scale data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/
Usage
data(GDSCALE)Details
ORIGPROT character Original study protocol , with options: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4
COLPROT factor Study protocol of data collection , with levels: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4
PTID character Participant ID
RID numeric Participant roster ID Range value: 2, ..., 10894
VISCODE character Visit code
VISCODE2 character Translated visit code
VISDATE Assessment GDDATE when present; otherwise Registry EXAMDATE Date: YYY-MM-DD
SOURCE character Information Source
ADNIGO, ADNI2: 1=Participant Visit ; 2=Telephone Call
ADNI3, ADNI4: 1=Participant Visit ; 2=Telephone Call/Video Call
Decoded Value: Yes
GDUNABL character Participant is unable to complete the GDS based on the clinician's best judgement.
ADNI1, ADNIGO, ADNI2: 1=Participant is unable to complete the GDS based on the clinician's best judgement.
ADNI3, ADNI4: 0=Box not checked ; 1=Box checked
Decoded Value: Yes
GDSATIS character 1. Are you basically satisfied with your life?
ADNI1, ADNIGO, ADNI2: 1=Yes(0) ; 0=No(1)
ADNI3, ADNI4: 0=No (1) ; 1=Yes (0)
Decoded Value: Yes
GDDROP character 2. Have you dropped many of your activities and interests?
ADNI1, ADNIGO, ADNI2: 1=Yes(1) ; 0=No(0)
ADNI3, ADNI4: 0=No (0) ; 1=Yes (1)
Decoded Value: Yes
GDEMPTY character 3. Do you feel that your life is empty?
ADNI1, ADNIGO, ADNI2: 1=Yes(1) ; 0=No(0)
ADNI3, ADNI4: 0=No (0) ; 1=Yes (1)
Decoded Value: Yes
GDBORED character 4. Do you often get bored?
ADNI1, ADNIGO, ADNI2: 1=Yes(1) ; 0=No(0)
ADNI3, ADNI4: 0=No (0) ; 1=Yes (1)
Decoded Value: Yes
GDSPIRIT character 5. Are you in good spirits most of the time?
ADNI1, ADNIGO, ADNI2: 1=Yes(0) ; 0=No(1)
ADNI3, ADNI4: 0=No (1) ; 1=Yes (0)
Decoded Value: Yes
GDAFRAID character 6. Are you afraid that something bad is going to happen to you?
ADNI1, ADNIGO, ADNI2: 1=Yes(1) ; 0=No(0)
ADNI3, ADNI4: 0=No (0) ; 1=Yes (1)
Decoded Value: Yes
GDHAPPY character 7. Do you feel happy most of the time?
ADNI1, ADNIGO, ADNI2: 1=Yes(0) ; 0=No(1)
ADNI3, ADNI4: 0=No (1) ; 1=Yes (0)
Decoded Value: Yes
GDHELP character 8. Do you often feel helpless?
ADNI1, ADNIGO, ADNI2: 1=Yes(1) ; 0=No(0)
ADNI3, ADNI4: 0=No (0) ; 1=Yes (1)
Decoded Value: Yes
GDHOME character 9. Do you prefer to stay at home, rather than going out and doing new things?
ADNI1, ADNIGO, ADNI2: 1=Yes(1) ; 0=No(0)
ADNI3, ADNI4: 0=No (0) ; 1=Yes (1)
Decoded Value: Yes
GDMEMORY character 10. Do you feel you have more problems with memory than most?
ADNI1, ADNIGO, ADNI2: 1=Yes(1) ; 0=No(0)
ADNI3, ADNI4: 0=No (0) ; 1=Yes (1)
Decoded Value: Yes
GDALIVE character 11. Do you think its wonderful to be alive now?
ADNI1, ADNIGO, ADNI2: 1=Yes(0) ; 0=No(1)
ADNI3, ADNI4: 0=No (1) ; 1=Yes (0)
Decoded Value: Yes
GDWORTH character 12. Do you feel pretty worthless the way you are now?
ADNI1, ADNIGO, ADNI2: 1=Yes(1) ; 0=No(0)
ADNI3, ADNI4: 0=No (0) ; 1=Yes (1)
Decoded Value: Yes
GDENERGY character 13. Do you feel full of energy?
ADNI1, ADNIGO, ADNI2: 1=Yes(0) ; 0=No(1)
ADNI3, ADNI4: 0=No (1) ; 1=Yes (0)
Decoded Value: Yes
GDHOPE character 14. Do you feel that your situation is hopeless?
ADNI1, ADNIGO, ADNI2: 1=Yes(1) ; 0=No(0)
ADNI3, ADNI4: 0=No (0) ; 1=Yes (1)
Decoded Value: Yes
GDBETTER character 15. Do you think that most people are better off than you are?
ADNI1, ADNIGO, ADNI2: 1=Yes(1) ; 0=No(0)
ADNI3, ADNI4: 0=No (0) ; 1=Yes (1)
Decoded Value: Yes
GDTOTAL numeric Total Score
ADNI1: 0..15
ADNIGO, ADNI2, ADNI3, ADNI4
ID numeric Record ID Range value: 6, ..., 187103
SITEID numeric Site ID Range value: 1, ..., 941
USERDATE User Create Date Date: YYY-MM-DD
USERDATE2 User Last Modify Date Date: YYY-MM-DD
DD_CRF_VERSION_LABEL character CRF Version Label , with options: v1
LANGUAGE_CODE character Language Code e=English Decoded Value: Yes
HAS_QC_ERROR character Has Quality Check Error 0=Does not have QC error or QC error has been approved ; 1=Has QC error Decoded Value: Yes
update_stamp POSIXct: YYY-MM-DD