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Table 1 Comparison of demographic and clinical factors among cases and controls

From: Rapid method for determination of DNA repair capacity in human peripheral blood lymphocytes amongst smokers

 

Cases

Controls

 
  

Current

Smokers

Former

Smokers

Non-

Smokers

P-value

 

N = 30

N = 30

N = 30

N = 30

 

Age (mean ± SE)

62.7 ± 0.57

63.5 ± 0.84

61.9 ± 0.69

58.6 ± 0.98

0.27

Gender: N (%)

     

   Male

15(50.0)

20(66.7)

21(70.0)

20(66.7)

 

   Female

15(50.0)

10(33.3)

9(30.0

10(33.3)

0.58

Ethnicity

     

   Anglo

30(100.0)

29(96.7)

25(83.3)

30(100.0)

 

   Non-Anglo

0(0.0)

1(3.3)

5(16.7)

0(0.0)

0.24

No. of Cigarettes/day Mean ± SE

29.2 ± 2.5

24.4 ± 1.75

35.0 ± 3.3

0.0 ± 0.0

<0.001

Years smoked Mean ± SE:

44.23 ± 1.39

42.70 ± 1.46

35.37 ± 1.58

0.0 ± 0.0

<0.001

Family History Cancer

     

   N (%)

     

   No

14(48.3)

15(60.0)

12(41.4)

15(50.0)

 

   Yes

15(51.7)

10(40.0)

17(58.6)

15(50.0)

0.07

  1. P-values from Chi-square test for association (categorical) or ANOVA (continuous)
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BMC Cancer

ISSN: 1471-2407

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