Access to grocery stores

1. Access to grocery stores EFGS 2009-10-05 Johan Stålnacke, Statistics Sweden

2. Agenda Background Data sources Method Results Conclusion

3. Background Statistics Sweden has calculated indicators for the populations access to grocery stores 2001 and 2006, using the national road network outside localities and bird distance inside.   Four distances were used: 300m, 600m (inside localities) 1500m, 10000m (outside localities)

4. Data sources Grocery stores databases, 2001, 2006 Population on real estate level, 2001, 2006 (approx. 2 million real estates) Swedish national road network, 2006

5. Method Connecting population on real estate level with grocery stores through the national road database. Sweden was divided into 22 partially overlapping regions to lessen the computer time. Software ArcInfo Mapinfo/Routefinder

6. Metro M M

7. Metro M M

8. Results The number of grocery stores: 2001, 6 564 2006, 5 953 - 9,3 % grocery stores decreace -2% access decreace

9. 2006 – 2001 comparisonChanged access to grocery store

10. Conclusions It’s possible to do national analysis with large data amounts. The method is applicable to other data sources.