Table 3.
Odds Ratios (ORs) of lung cancer associated with ETS from inside homes (all co-residents combined)
| |
|
|
All subjects |
Self-respondents only |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ETS from co-residents |
Controls |
Cases |
|
|
|
Controls |
Cases |
|
|
|
||
| Categories | N=436 | N=44 | OR* | 95%CI | N=410 | N=32 | OR* | 95%CI | ||||
| |
Never |
113 |
16 |
1 |
(ref.) |
105 |
11 |
1 |
(ref.) |
|||
| |
Ever |
323 |
28 |
0.63 |
0.32 |
1.25 |
305 |
21 |
0.66 |
0.30 |
1.46 |
|
| |
Person-years |
|
|
|
|
|
|
|
|
|
|
|
| |
|
1-21 coresident-yrs |
95 |
12 |
0.93 |
0.40 |
2.12 |
90 |
9 |
0.95 |
0.37 |
2.44 |
| |
|
22+ coresident-yrs |
228 |
16 |
0.50 |
0.23 |
1.08 |
215 |
12 |
0.53 |
0.22 |
1.28 |
| |
Duration |
|
|
|
|
|
|
|
|
|
|
|
| |
|
<=100 (hrs/d x yrs) |
126 |
13 |
0.75 |
0.34 |
1.69 |
118 |
11 |
0.89 |
0.36 |
2.19 |
| |
|
>100 (hrs/d x yrs) |
197 |
15 |
0.54 |
0.25 |
1.20 |
187 |
10 |
0.51 |
0.20 |
1.27 |
| |
Cumulative exposure |
|
|
|
|
|
|
|
|
|
|
|
| |
|
<=4 pack-yrs |
150 |
14 |
0.67 |
0.31 |
1.48 |
140 |
11 |
0.76 |
0.31 |
1.86 |
| |
|
>4 pack-yrs |
173 |
14 |
0.60 |
0.27 |
1.34 |
165 |
10 |
0.58 |
0.23 |
1.47 |
| |
Exposure only < 20 yrs age |
57 |
8 |
1.09 |
0.42 |
2.83 |
54 |
7 |
1.24 |
0.44 |
3.51 |
|
| |
Exposure only >= 20 yrs age |
56 |
6 |
0.72 |
0.26 |
2.06 |
53 |
3 |
0.52 |
0.14 |
2.02 |
|
| Exposure both < & >= age 20 | 210 | 14 | 0.48 | 0.22 | 1.05 | 198 | 11 | 0.52 | 0.21 | 1.29 | ||
*Adjusted for sex, age, median income, and proxy (if applicable).