Skip to main content

Table 2 Odds Ratios (ORs) of lung cancer associated with ETS from parents or spouses

From: Exposure to environmental tobacco smoke (ETS) and risk of lung cancer in Montreal: a case–control study

   

All subjects

Self-respondents only

ETS source

Controls

Cases

   

Controls

Cases

   
  

Categories

N=436

N=44

OR*

95%CI

N=410

N=32

OR*

95%CI

Parents

          
 

Never

195

26

1

(ref.)

179

17

1

(ref.)

 

Ever

241

18

0.62

0.32

1.21

231

15

0.69

0.33

1.43

 

Person-years

          
  

1-21 parent-yrs

135

10

0.62

0.28

1.36

129

8

0.65

0.27

1.57

  

22+ parent-yrs

106

8

0.64

0.27

1.50

102

7

0.73

0.29

1.84

 

Duration

          
  

<=75 (hrs/d x yrs)

119

9

0.64

0.28

1.46

114

8

0.74

0.31

1.79

  

>75 (hrs/d x yrs)

122

9

0.61

0.27

1.38

117

7

0.63

0.25

1.59

 

Cumulative exposure

          
  

<=3 pack-years

146

9

0.50

0.22

1.13

137

8

0.63

0.26

1.50

  

>3 pack-years

95

9

0.86

0.37

1.99

94

7

0.79

0.31

2.02

Spouses

          
 

Never

262

34

1

(ref.)

242

25

1

(ref.)

 

Ever

174

10

0.39

0.18

0.85

168

7

0.37

0.15

0.93

  1. *Adjusted for sex, age, median income, and proxy (if applicable).
Back to article page

Environmental Health

ISSN: 1476-069X