| Name | Steward Organization | Suggested Domain | Suggested Domain Description | Cde Group | Classification |
|---|---|---|---|---|---|
| 3. In the past 30 days, how often were you not able to leave the house when you wanted to because of a problem with transportation? | NACC | Social determinants of health |
Social determinants of health (e.g., financial, education, and living arrangements), but not environmental data (e.g., weather data, pollutant data) |
Other NIA-funded studies |
|
| # | Datatype |
|---|---|
|
|
Value List |
| # | Permissible value | Value meaning name |
|---|---|---|
|
|
1 | Often |
|
|
2 | Sometimes |
|
|
3 | Never |
|
|
8 | Prefer not to answer |
| # | Identifier | Origin | Version |
|---|---|---|---|
|
|
UDS_a1a_Initial Visit Packet_transprob | NACC-source_dataset+form_name+packet+var_name | NACC_uds-v4-ivp-ded-11122025 |