Table 2 Comparison of indicators related to exposure to environmental tobacco smoke in indoor places, before and after the "Tobacco control law" came into force. Population aged 18 to 64 years. Madrid Region, Spain
From: Impact of the "Tobacco control law" on exposure to environmental tobacco smoke in Spain
Period prior to the law October-November 2005 n = 1750a | Period after the law January-July 2006 n = 1252a | Period after the law versus period prior to the law | |||||||
|---|---|---|---|---|---|---|---|---|---|
n | % | 95% CI | n | % | 95% CI | Odds ratio | 95% CI | p-value | |
Exposure at home b | |||||||||
Someone regularly smoking at home | 579 | 34.3 | 32.1 to 36.6 | 354 | 30.5 | 27.9 to 33.2 | 0.84e | 0.71 to 1.00 | 0.044 |
Time of exposure (daily) | |||||||||
No or sporadic exposure | 1310 | 77.7 | 75.7 to 79.7 | 922 | 79.8 | 77.4 to 82.1 | 1f | ||
> 0–3 hours | 235 | 13.9 | 12.3 to 15.7 | 171 | 14.8 | 12.8 to 17.0 | 1,00 | 0.80 to 1.25 | 0.998 |
More than 3 hours | 140 | 8.3 | 7.0 to 9.7 | 62 | 5.4 | 4.1 to 6.8 | 0.65 | 0.47 to 0.90 | 0.009 |
Regular smokers who smoke at home | 330 | 61.3 | 57.1 to 65.5 | 237 | 61.6 | 56.5 to 66.4 | 1.07e | 0.81 to 1.42 | 0.641 |
Exposure at indoor workplaces c | |||||||||
Close exposure (tobacco smoke reaches their workplace) | 412 | 40.5 | 37.5 to 43.6 | 66 | 9.0 | 7.0 to 11.3 | 0.14e | 0.11 to 0.19 | < 0.001 |
Time of exposure (daily) | |||||||||
No or sporadic exposure | 553 | 54.5 | 51.4 to 57.6 | 669 | 91.1 | 88.9 to 93.1 | 1f | ||
> 0–3 hours | 193 | 19.0 | 16.6 to 21.6 | 24 | 3.3 | 2.1 to 4.8 | 0.11 | 0.07 to 0.17 | < 0.001 |
More than 3 hours | 269 | 26.5 | 23.8 to 29.3 | 41 | 5.6 | 4.0 to 7.5 | 0.12 | 0.09 to 0.18 | < 0.001 |
Regular smokers who smoke at work | 197 | 57.9 | 52.5 to 63.2 | 27 | 10.6 | 7.1 to 15.1 | 0.08e | 0.05 to 0.13 | < 0.001 |
Exposure in bars and restaurants d | |||||||||
Environmental tobacco smoke in bars | |||||||||
None | 46 | 3.0 | 2.2 to 3.9 | 86 | 8.1 | 6.6 to 10.0 | 1f | ||
Low level | 484 | 31.2 | 28.9 to 33.6 | 495 | 46.9 | 43.9 to 50.0 | 0.54 | 0.37 to 0.80 | < 0.001 |
Fairly high level | 640 | 41.3 | 38.8 to 43.8 | 359 | 34.0 | 31.2 to 37.0 | 0.30 | 0.20 to 0.44 | < 0.001 |
Very high level | 381 | 24.6 | 22.4 to 26.8 | 115 | 10.9 | 9.1 to 12.9 | 0.16 | 0.10 to 0.24 | < 0.001 |
Environmental tobacco smoke in restaurants | |||||||||
None | 157 | 11.9 | 10.2 to 13.8 | 294 | 32.4 | 29.4 to 35.6 | 1f | ||
Low level | 798 | 60.4 | 57.7 to 63.1 | 476 | 52.5 | 49.2 to 55.8 | 0.31 | 0.25 to 0.39 | < 0.001 |
Fairly high level | 261 | 19.8 | 17.6 to 22.0 | 114 | 12.6 | 10.5 to 14.9 | 0.24 | 0.18 to 0.32 | < 0.001 |
Very high level | 105 | 7.9 | 6.5 to 9.5 | 22 | 2.4 | 1.5 to 3.7 | 0.11 | 0.07 to 0.19 | < 0.001 |