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Table 4 Beliefs about the causes of breast cancer by case status, Cape Cod, Massachusetts, 1988-1995

From: Self-reported chemicals exposure, beliefs about disease causation, and risk of breast cancer in the Cape Cod Breast Cancer and Environment Study: a case-control study

  

Cases

Controls

 

How much does ... contribute to breast cancer?

No.

%

No.

%

 

Heredity

A lot

331

42

474

66

**

 

A little

295

37

163

23

 
 

Not at all

99

13

36

5

 
 

Don't know

62

8

48

7

 

Diet

A lot

217

28

205

28

 
 

A little

327

42

294

41

 
 

Not at all

160

20

125

17

 
 

Don't know

83

11

97

13

 

Chemicals and pollutants in the air or water

A lot

476

60

412

57

*

 

A little

188

24

203

28

 
 

Not at all

53

7

31

4

 
 

Don't know

70

9

75

10

 

Women's reproductive or breast feeding history

A lot

67

9

70

10

 
 

A little

262

33

261

36

 
 

Not at all

245

31

225

31

 
 

Don't know

213

27

165

23

 
  1. Percentages may not add to 100% because of rounding. Two-sided P value calculated using chi square test; * indicates P < 0.05 and ** indicates P < 0.001.