Place of SHS exposure | Year | SHS exposure in the past 7 days | p Value§ | |||
None | 1–3 days | 4–7 days | Per day increase | |||
At home† | 2006 | 1 | 0.89 (0.61 to 1.29) | 1.09 (0.79 to 1.50) | 1.00 (0.89 to 1.19) | 0.88 |
2008 | 1 | 0.93 (0.67 to 1.50) | 1.19 (1.00 to 1.50) | 1.07 (0.95 to 1.20) | ||
Outside home‡ | 2006 | 1 | 1.20 (1.00 to 1.44) | 2.06 (1.34 to 3.18) | 1.35 (1.14 to 1.58) | 0.62 |
2008 | 1 | 1.08 (0.90 to 1.30) | 1.54 (1.20 to 1.98) | 1.20 (1.07 to 1.34) | ||
Anywhere | 2006 | 1 | 1.15 (0.96 to 1.38) | 1.42 (1.11 to 1.80) | 1.18 (1.05 to 1.33) | 0.54 |
2008 | 1 | 1.05 (0.88 to 1.25) | 1.40 (1.14 to 1.70) | 1.14 (1.05 to 1.23) |