Air pollutant concentration ratios, comparing fumare with non fumare and outdoors, and non fumare with outdoor measurements
| Ratio | |||
|---|---|---|---|
| Air pollution | Fumare/non fumare | Fumare/outdoor | Non fumare/outdoor |
| Values in bold are significant (p<0.05). | |||
| Number of measurement periods: PM2.5 and elements: 4; NO2: 3; VOC: 2. | |||
| PM2.5 | 4.5 | 15.3 | 3.4 |
| Elements | |||
| Mg | 2.7 | 11.3 | 4.0 |
| P | 3.3 | 7.3 | 2.7 |
| Cl | 24.8 | 50.8 | 2.1 |
| K | 7.2 | 15.3 | 2.2 |
| Br | 3.0 | 4.3 | 1.5 |
| NO2 | 1.2 | 1.5 | 1.2 |
| VOC | |||
| Benzene | 3.4 | 3.6 | 1.1 |
| Toluene | 2.3 | 2.2 | 1.0 |
| Ethylbenzene | 2.3 | 2.2 | 0.9 |
| m/p-xylene | 2.2 | 2.2 | 1.0 |
| o-xylene | 2.0 | 1.9 | 1.0 |
| Styrene | 6.8 | 21.4 | 3.2 |