Uniform Data Set version 4
UDSv4 - Template

United States

Reference ID

USDv4

Producer(s)

National Alzheimer’s Coordinating Center (NACC) and the NIA-funded ADRC network

Collections

Clinical Trial

Metadata

DDI/XML JSON

Created on

Jul 02, 2026

Last modified

Jul 07, 2026

Page views

11403

Variable Groups

Variable group: B6 Geriatric Depression Scale

Variables 59

afraid

6. Are you afraid that something bad is going to happen to you?

b6_geriatric_depression_sca
le_complete

b6not

0d2. If 'B6 Behavioral Assessment: GDS' not submitted, specify reason

better

15. Do you think that most people are better off than you are?

bored

4. Do you often get bored?

dropact

2. Have you dropped many of your activities and interests?

empty

3. Do you feel that your life is empty?

energy

13. Do you feel full of energy?

frmdateb6

0a. B6 Behavioral Assessment: GDS - Form date

gds

16. Manual Data Entry of Total GDS Score

happy

7. Do you feel happy most of the time?

helpless

8. Do you often feel helpless?

hopeless

14. Do you feel that your situation is hopeless?

initialsb6

0b. B6 Behavioral Assessment: GDS - Examiner's initials

langb6

0c. B6 Behavioral Assessment: GDS - Language

loc_afraid

6. Are you afraid that something bad is going to happen to you?

loc_afraid_2

6. Are you afraid that something bad is going to happen to you?

loc_better

15. Do you think that most people are better off than you are?

loc_better_2

15. Do you think that most people are better off than you are?

loc_bored

4. Do you often get bored?

loc_bored_2

4. Do you often get bored?

loc_dropact

2. Have you dropped many of your activities and interests?

loc_dropact_2

2. Have you dropped many of your activities and interests?

loc_empty

3. Do you feel that your life is empty?

loc_empty_2

3. Do you feel that your life is empty?

loc_energy

13. Do you feel full of energy?

loc_energy_2

13. Do you feel full of energy?

loc_happy

7. Do you feel happy most of the time?

loc_happy_2

7. Do you feel happy most of the time?

loc_helpless

8. Do you often feel helpless?

loc_helpless_2

8. Do you often feel helpless?

loc_hopeless

14. Do you feel that your situation is hopeless?

loc_hopeless_2

14. Do you feel that your situation is hopeless?

loc_memprob

10. Do you feel you have more problems with memory than most?

loc_memprob_2

10. Do you feel you have more problems with memory than most?

loc_prorated_score

loc_raw_nonprorated

Raw total GDS Score

loc_raw_prorated

Raw total GDS Score

loc_satis

1. Are you basically satisfied with your life?

loc_satis_2

1. Are you basically satisfied with your life?

loc_spirits

5. Are you in good spirits most of the time?

loc_spirits_2

5. Are you in good spirits most of the time?

loc_stayhome

9. Do you prefer to stay at home, rather than going out and doing new things?

loc_stayhome_2

9. Do you prefer to stay at home, rather than going out and doing new things?

loc_tot_unanswered

Total number of questions with the answer 'Did not answer'

loc_wondrful

11. Do you think it is wonderful to be alive now?

loc_wondrful_2

11. Do you think it is wonderful to be alive now?

loc_wrthless

12. Do you feel pretty worthless the way you are now?

loc_wrthless_2

12. Do you feel pretty worthless the way you are now?

memprob

10. Do you feel you have more problems with memory than most?

modeb6

0d. B6 Behavioral Assessment: GDS - In-person, remote, or not completed?

nogds

Is the subject able to complete the GDS, based on the clinician's best judgment?

rmmodeb6

0d1a. What modality was used to collect this remote 'B6 Behavioral Assessment: GDS' form?

rmreasb6

0d1. If 'B6 Behavioral Assessment: GDS' form was completed remotely, specify reason

satis

1. Are you basically satisfied with your life?

spirits

5. Are you in good spirits most of the time?

stayhome

9. Do you prefer to stay at home, rather than going out and doing new things?

wondrful

11. Do you think it is wonderful to be alive now?

wrthless

12. Do you feel pretty worthless the way you are now?

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