From: A protocol for measuring the impact of a smoke-free housing policy on indoor tobacco smoke exposure
 | # of buildings | Target # of HHa per bldg | Total # of HH | # of common areas per bldg | Total # of common areas | Total # of sites |
---|---|---|---|---|---|---|
Month 1 | 5 Intervention | 15 | 75 | 4 | 20 | 95 |
 | 5 Comparison | 15 | 75 | 4 | 20 | 95 |
Month 2 | 5 Intervention | 15 | 75 | 4 | 20 | 95 |
 | 6 Comparison | 15 | 90 | 4 | 24 | 114 |
 |  |  |  |  | Total: | 399 |