Table 1 Detailed list of rural urban commuting areas codes
From: Measuring participant rurality in Web-based interventions
1 Metropolitan area core: primary flow within an Urbanized Area (UA) |
   1.0 No additional code |
   1.1 Secondary flow 30% through 49% to a larger UA |
2 Metropolitan area high commuting: primary flow 30% or more to a UA |
   2.0 No additional code |
   2.1 Secondary flow 30% through 49% to a larger UA |
3 Metropolitan area low commuting: primary flow 10% through 29% to a UA |
   3.0 No additional code |
4 Large rural area core: primary flow within an Urban Cluster (UC) of 10,000 through 49,999 (large UC) |
   4.0 No additional code |
   4.1 Secondary flow 30% through 49% to a UA |
   4.2 Secondary flow 10% through 29% to a UA |
5 Large rural high commuting: primary flow 30% or more to a large UC |
   5.0 No additional code |
   5.1 Secondary flow 30% through 49% to a UA |
   5.2 Secondary flow 10% through 29% to a UA |
6 Large rural low commuting: primary flow 10% through 29% to a large UC |
   6.0 No additional code |
   6.1 Secondary flow 10% through 29% to a UA |
7 Small rural town core: primary flow within an Urban Cluster (UC) of 2,500 through 9,999 (small UC) |
   7.0 No additional code |
   7.1 Secondary flow 30% through 49% to a UA |
   7.2 Secondary flow 30% through 49% to a large UC |
   7.3 Secondary flow 10% through 29% to a UA |
   7.4 Secondary flow 10% through 29% to a large UC |
8 Small rural town high commuting: primary flow 30% or more to a small UC |
   8.0 No additional code |
   8.1 Secondary flow 30% through 49% to a UA |
   8.2 Secondary flow 30% through 49% to a large UC |
   8.3 Secondary flow 10% through 29% to a UA |
   8.4 Secondary flow 10% through 29% to a large UC |
9 Small rural town low commuting: primary flow 10% through 29% to a small UC |
   9.0 No additional code |
   9.1 Secondary flow 10% through 29% to a UA |
   9.2 Secondary flow 10% through 29% to a large UC |
10 Isolated small rural areas: primary flow to a tract outside a UA or UC (including self) |
   10.0 No additional code |
   10.1 Secondary flow 30% through 49% to a UA |
   10.2 Secondary flow 30% through 49% to a large UC |
   10.3 Secondary flow 30% through 49% to a small UC |
   10.4 Secondary flow 10% through 29% to a UA |
   10.5 Secondary flow 10% through 29% to a large UC |
   10.6 Secondary flow 10% through 29% to a small UC |