1. David Reddy Director of Informatics, VACS
VACS Data Sources
David Reddy
Director of Informatics, VACS

2. Data Sources in VACS Enrollment Database(s)
Baseline, Year 1, (Year 2…) Paper Surveys
Baseline, Y1, (Y2…) Telephone Surveys
Alcohol and Drug History
CPRS and PBM Site Data
Virtual Cohort

3. Enrollment Database(s)
Tracks subject enrollment by site, HIV status, race, age, sex, etc.
Tracks consent, refusals, paper and telephone survey completion
Updated weekly from sites
Weekly report provides feedback to sites on meeting enrollment targets

4. Paper Surveys Baseline, Year 1, (Year 2…)
Administered by Site Coordinator
Paper forms sent to Center for scanning and verification
Includes information on demographics and lifestyle

5. Telephone Surveys Baseline, Year 1, (Year 2…)
Administered by University Center for Social and Urban Research (UCSUR)
Call to subject or 800 number
Contains Alcohol and Drug History Component

6. Site CPRS and PBM data Data cut from VISTA and PBM at site
All available data on enrollees
Uploaded to Center periodically

7. Virtual Cohort All HIV+ in VA system (VACS superset)
Matched HIV- Controls
No consent needed
National Administrative and PBM from Austin

8. Data Integration Process
Secure transmission
Scanning and validation of paper forms
Data cleaning (typos, name, SSN, trans)
Parsing VISTA and PBM datasets
Relational Database (Oracle)
Re-mapping site and time specific coding
Cutting datasets for statistical analysis

9. Goals Cross-dataset querying Quick turnaround of data requests
Reduce data cleaning overhead
Validated measures
Long-term viability of datasets

10. Questions?