Table 2.
Tobacco smoke pollution in smoker and nonsmoker homes before (Part 1) and after (Part 2) the change of occupancy.
| Part 1: Original Occupants | Part 2: New Nonsmoker Occupants | |||
|---|---|---|---|---|
| N | Mean [95% CI] | N | Mean [95% CI] | |
| Indoor Smoking (cig/w) | ||||
| All Nonsmoker Homes | 50 | 0 | 16 | 0 |
| All Smoker Homes | 94 | 60.17 [49.60; 72.96] | 25 | 0 |
| Same Nonsmoker Homes | 16 | 0 | 16 | 0 |
| Same Smoker Homes | 25 | 68.57 [46.94; 99.94] | 25 | 0 |
| Air Nicotine (μg/m3) | ||||
| Living Room | ||||
| All Nonsmoker Homes | 50 | 0.02 [.01;.03] | 16 | 0.14 [.00; .34] |
| All Smoker Homes | 81A | 1.86 [1.38; 2.44] | 23 | 0.20 [.07; .34] |
| Same Nonsmoker Homes | 16 | 0.04 [.00; 0.07] | 16 | 0.14 [.00; 0.34] |
| Same Smoker Homes | 19 | 1.96 [1.01; 3.34] | 19 | 0.23 [.07; 0.41] |
| Bedroom | ||||
| All Smoker Homes | 74B | 1.44 [1.00; 1.97] | 22 | 0.12 [.04; .19] |
| Same Smoker Homes | 19 | 1.55 [.75; 2.73] | 19 | 0.13 [.05; .22] |
| Surface Nicotine (μg/m2) | ||||
| Living Room | ||||
| All Nonsmoker Homes | 50 | 1.6 [.8; 3.0] | 16 | 1.5C [.4; 3.7] |
| All Smoker Homes | 94 | 98.7 [61.2; 158.6] | 24 | 10.0C [3.1; 28.6] |
| Same Nonsmoker Homes | 16 | 1.4 [.3; 3.6] | 16 | 1.5C [.4; 3.7] |
| Same Smoker Homes | 24 | 211.7 [85.2; 523.9] | 24 | 10.0C [3.1; 28.6] |
| Bedroom | ||||
| All Smoker Homes | 87 | 50.1 [29.4; 84.7] | 23 | 7.5 [1.9; 24.4] |
| Same Smoker Homes | 23 | 66.1 [24.8; 173.5] | 23 | 7.5 [1.9; 24.4] |
| Dust Nicotine (μg/g) | ||||
| Living Room | ||||
| All Nonsmoker Homes | 50 | 2.9 [1.1; 4.0] | 16 | 2.3D [1.0; 4.4] |
| All Smoker Homes | 93 | 39.6 [30.0; 52.2] | 25 | 10.9D [6.4; 18.2] |
| Same Nonsmoker Homes | 16 | 2.7 [1.1; 5.3] | 16 | 2.3D [1.0; 4.4] |
| Same Smoker Homes | 25 | 47.6 [26.6; 84.7] | 25 | 10.9D [6.4; 18.2] |
| Bedroom | ||||
| All Smoker Homes | 76 | 30.7 [22.2; 42.2] | 23 | 11.0 [6.0; 19.6] |
| Same Smoker Homes | 23 | 40.4 [23.1; 70.2] | 23 | 11.0 [6.0; 19.6] |
| Dust Nicotine (μg/m2) | ||||
| Living Room | ||||
| All Nonsmoker Homes | 49 | 3.6 [2.2; 5.6] | 16 | 3.1 [.8; 8.3] |
| All Smoker Homes | 92 | 58.8 [40.9; 84.3] | 25 | 7.6 [3.6; 15.3] |
| Same Nonsmoker Homes | 15 | 4.2 [1.3; 10.6] | 15 | 3.4 [.8 to 9.6] |
| Same Smoker Homes | 25 | 76.2 [33.1; 173.8] | 25 | 7.6 [3.6; 15.3] |
| Bedroom | ||||
| All Smoker Homes | 73 | 51.0 [34.7; 74.8] | 21 | 7.3 [3.0; 16.3] |
| Same Smoker Homes | 21 | 75.4 [36.7; 153.9] | 21 | 7.3 [3.0; 16.3] |
Note.
A
Part 1 living room air monitors were not placed in 9 smoker homes because residents were moving in < 7 days, and air monitors were not returned by residents of 4 smoker homes.
B
Part 1 bedroom air monitors were not placed in 9 smoker homes because residents were moving in < 7 days, or in 6 studio apartments, and were not returned by residents of 5 smoker homes.
C
p=0.0059 (directional) Part 2 nonsmoker vs. former smoker homes.
D
p=0.0002 (directional) Part 2 nonsmoker vs. former smoker homes.