Winter | Summer | ||||||||
---|---|---|---|---|---|---|---|---|---|
Exposed | Not exposed | SE of the difference | p Value | Exposed | Not exposed | SE of the difference | p Value | ||
Smoking | 9.9 | 8.9 | 0.43 | 0.02 | 8.3 | 6.5 | 0.44 | < 0.001 | |
Gas cooker | 9.2 | 9.6 | 0.43 | 0.3 | 7.4 | 7.2 | 0.43 | 0.7 | |
Calor gas fire | 9.7 | 9.3 | 0.46 | 0.4 | 7.2 | 7.4 | 0.48 | 0.6 | |
Paraffin heater | 11.0 | 9.4 | 2.3 | 0.5 | 6.8 | 7.3 | 2.1 | 0.8 | |
Pets | 9.1 | 9.8 | 0.43 | 0.1 | 7.2 | 7.4 | 0.42 | 0.7 |