This presentation was shared by John Spencer at the June 2016 MEASURE Evaluation GIS Working Group Meeting.

1. Geospatial Targeting for HIV
Programs using Modelbuilder
John Spencer
MEASURE Evaluation
University of North Carolina at Chapel Hill
June 28, 2016
2016 ESRI User Conference

2. Where are the people in
need of HIV care?

3. Where are the places that
provide care? Photo credit: Flickr user KYM54

4. What are important contextual factors of the
epidemic?

5. Alternative site #1
Alternative site #4
Alternative site #5
Alternative site #3
Alternative site #2
Low volume
facility
One approach
Nearest site
(Euclidean)
Optimal
alternate site

6. Alternative site #1
Alternative site #4
Alternative site #5
Alternative site #3
Alternative site #2
Low volume
facility
Overcrowding
River
Barrier
Mountain
Barrier
Travel-time
Barrier
Optimal
alternate site
Geography matters!

7. Balance between closing low volume
site?
What are the relevant questions?

8. How do you reach the people in need most effectively and efficiently?
Which site to prioritize?

9. 246810
2 – 10 KM buffers around a facility

10. 23 Km
Difference between Euclidean distance and road network distance

11. MEASURE Evaluation is funded by the U.S. Agency
for International Development (USAID) under terms
of Cooperative Agreement AID-OAA-L-14-00004 and
implemented by the Carolina Population Center, University
of North Carolina at Chapel Hill in partnership with ICF
International, John Snow, Inc., Management Sciences for
Health, Palladium Group, and Tulane University. The views
expressed in this presentation do not necessarily reflect
the views of USAID or the United States government.
www.measureevaluation.org