UK | France | Poland | Malaysia | Overall* | |
---|---|---|---|---|---|
Common cold/influenza | 76 | 58 | 84 | 69 | 72 |
Other bacteria/virus | 53 | 31 | 53 | 45 | 46 |
Talking/shouting | 35 | 21 | 33 | 28 | 30 |
Hot and dry indoor conditions | 33 | 24 | 37 | 42 | 34 |
Dust and outdoor conditions | 26 | 35 | 24 | 52 | 34 |
Hay fever | 25 | 19 | 14 | 10 | 17 |
Air conditioning | 23 | 45 | 23 | 32 | 31 |
Excess alcohol | 22 | 10 | 11 | 3 | 12 |
Smoking | 21 | 30 | 23 | 17 | 23 |
Passive smoking | 21 | 19 | 11 | 21 | 18 |
Airborne pollution | 19 | 32 | 19 | 41 | 28 |
Sudden change in temperature | 16 | 58 | 51 | 45 | 43 |
Snoring | 16 | 12 | 8 | 7 | 11 |
Specific allergy | 6 | 11 | 9 | 13 | 10 |
Other | 4 | 3 | 3 | 0 | 3 |