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Table 1 General characteristics of study participants: The Korean Cancer Prevention Study-II and the KCPS-II sub-cohort

From: A colorectal cancer prediction model using traditional and genetic risk scores in Koreans

  

KCPS-II cohort (Whole participants)

KCPS-II sub-cohort (Case-cohort design)

  

CRC

No CRC

P

CRC

No CRC

P

N

 

258

145,584

 

173

1,514

 

Age, year

 

50.7 ± 10.5

41.1 ± 10.3

<0.001

49.7 ± 10.9

40.1 ± 9.4

<0.001

Sex, % of female

 

24.1

37.9

<0.001

25.0

37.6

0.001

Body mass index, kg/m2

 

24.3 ± 2.7

23.6 ± 3.2

<0.001

24.3 ± 2.7

23.5 ± 3.2

0.001

Fasting blood glucose, mg/dL

 

99.0 ± 25.3

91.0 ± 19.0

<0.001

98.2 ± 27.8

90.1 ± 17.9

<0.001

Total cholesterol, mg/dL

 

197.7 ± 37.1

189.0 ± 33.8

0.002

195.6 ± 36.9

189.3 ± 41.8

0.037

Systolic blood pressure, mmHg

 

123.4 ± 16.3

117.9 ± 14.4

<0.001

121.8 ± 14.7

117.6 ± 14.3

0.037

Smoking status, %

Ex

31.0

17.7

<0.001

29.6

15.8

<0.001

Current

29.9

29.2

 

30.7

30.2

 

Alcohol drinking (yes), %

 

73.6

74.0

0.881

74.4

76.7

0.496

Exercise (yes), %

 

63.2

59.6

0.228

62.5

61.8

0.850

Family history of CRC (yes), %

 

5.0

2.3

0.005

5.1

2.0

0.011

  1. Values are mean ± standard deviation (SD) for continuous data.
  2. Body mass index (BMI) = weight in kilograms divided by height in meters squared.
  3. CRC: Colorectal cancer, KCPS-II: The Korean Cancer Prevention Study-II.