Edinburgh quiet time(n = 14) | Aberdeen quiet time (n = 4) | Edinburgh busy time (n = 23) | Aberdeen busy time (n = 12) | All data (n = 53) | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Pre-ban | Post-ban | Pre-ban | Post-ban | Pre-ban | Post-ban | Pre-ban | Post-ban | Pre-ban | Post-ban | |
Mean start time of visit | 14:26 | 14:24 | 14:51 | 15:07 | 19:50 | 19:36 | 20:10 | 19:55 | 18:06 | 17:57 |
GSD, geometric standard deviation. | ||||||||||
The number of people smoking outside the pub was only recorded during the post-ban visits. | ||||||||||
Number of patrons | ||||||||||
Mean number per pub | 10.2 | 10.1 | 10.8 | 15.0 | 34.1 | 34.0 | 50.2 | 41.6 | 29.7 | 28.0 |
Mean number observed smoking per pub (inside) | 1.6 | 0.0 | 2.0 | 0.0 | 2.9 | 0.0 | 5.1 | 0.0 | 3.0 | 0.0 |
Mean number observed smoking per pub (outside) | NA | 0.9 | NA | 0.0 | NA | 1.8 | NA | 2.0 | NA | 1.5 |
PM2.5 (μg/m3) | ||||||||||
Geometric mean (pooled GSD) | 94 (2.5) | 14 (1.9) | 77 (2.5) | 6 (1.9) | 212 (2.5) | 20 (1.9) | 269 (2.5) | 15 (1.9) | 167 (2.7) | 16 (2.0) |
Mean | 154 | 19 | 113 | 6 | 262 | 23 | 364 | 21 | 246 | 20 |
Median | 87 | 12 | 123 | 6 | 243 | 19 | 306 | 13 | 197 | 15 |
Minimum | 8 | 6 | 7 | 6 | 51 | 8 | 43 | 6 | 7 | 6 |
Maximum | 648 | 75 | 192 | 14 | 661 | 82 | 902 | 104 | 902 | 104 |