Skip to main content

Table 1 Distribution of subjects according to selected socio-demographic characteristics

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

  

All Subjects

self-respondents only

 

Categories

Controls

Cases

Controls

Cases

  

N=436

%

N=44

%

N=410

%

N=32

%

Sex

         
 

Male

128

29%

13

30%

117

29%

10

31%

 

Female

308

71%

31

70%

293

71%

22

69%

Age

         
 

<= 55

92

21%

12

27%

89

22%

7

22%

 

56-65

136

31%

9

20%

133

32%

9

28%

 

66-75

208

48%

23

52%

188

46%

16

50%

Ethnicity

        
 

French Canadian

246

56%

25

57%

239

58%

17

53%

 

Other

190

44%

19

43%

171

42%

15

47%

Schooling

        
 

< 7 years

137

31%

16

36%

123

30%

10

31%

 

7-12 years

172

39%

18

41%

163

40%

14

44%

 

13+ years

127

29%

10

23%

124

30%

8

25%

Family income*

        
 

< 30.000

140

32%

17

39%

133

32%

10

31%

 

30.000 - 45.000

172

39%

15

34%

161

39%

12

38%

 

> 45.000

124

28%

12

27%

116

28%

10

31%

Respondent

        
 

Self

410

94%

32

73%

410

100%

32

100%

 

Proxy

26

6%

12

27%

    
  1. *Median family income for census tract in Can$.