Table 1 Demographic and lifestyle characteristics of subjects
Case | Control | P value | |
|---|---|---|---|
N = 837 | N = 739 | ||
Demographic characteristics | |||
Sex women (%) | 41.3 | 45.5 | 0.099 |
Age (%) | |||
<55 | 29.4 | 37.4 | <0.001 |
55–64 | 37.0 | 36.4 | |
65≤ | 33.6 | 26.2 | |
Education years (%) | |||
<9 | 28.5 | 25.8 | 0.133 |
9–12 | 42.7 | 40.4 | |
13≤ | 28.8 | 33.8 | |
Family history of CRC (%) | 5.9 | 1.7 | <0.001 |
BMI (kg/m2), Mean(SD) | 23.3 (3.0) | 24.0 (3.1) | <0.001 |
BMI at 2 years ago(kg/m2), Mean(SD) | 24.2 (3.1) | 24.2 (3.0) | 0.728 |
Life style | |||
Regular intake of multi-vitamina (%) | 16.3 | 17.1 | 0.675 |
Smoking (%) | |||
None | 54.4 | 63.7 | 0.001 |
Ex | 14.3 | 11.7 | |
Current | 31.3 | 24.6 | |
Alcohol intake (%) | |||
None | 48.5 | 57.4 | <0.001 |
Ex | 8.7 | 4.9 | |
Current | 42.8 | 37.7 | |
Participate in vigorous activityb (%) | 27.5 | 31.4 | 0.103 |
Intakes of food items | |||
Red meat intake (times/week) (%) | |||
<2 | 32.2 | 33.5 | 0.724 |
2–3 | 43.4 | 41.4 | |
4≤ | 24.4 | 25.1 | |
Vegetable intake (times/week) (%) | |||
<9 | 40.9 | 34.0 | 0.026 |
9–19 | 32.6 | 36.0 | |
20 ≤ | 26.5 | 30.0 | |
Fruit intake (times/week) (%) | |||
<5 | 33.8 | 29.1 | 0.005 |
5–7 | 44.1 | 41.6 | |
8≤ | 22.1 | 29.3 | |