Table 1 Air monitoring sites and schedule per wave
From: A protocol for measuring the impact of a smoke-free housing policy on indoor tobacco smoke exposure
| Â | # 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 |
| Â | 5 Comparison | 15 | 75 | 4 | 20 | 95 |
Month 2 | 5 Intervention | 15 | 75 | 4 | 20 | 95 |
| Â | 6 Comparison | 15 | 90 | 4 | 24 | 114 |
| Â | Â | Â | Â | Â | Total: | 399 |