Table 1. Single factor analysis and multivariate analysis towards the risk factors of advanced colorectal neoplasm (CN).
| Variable | Total (n=905) | Advanced stage (n=48) |
Non-advanced stage (n=857) |
Pa | ORb | 95% CIb | Pb | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cases | % | x̄±s | Cases | % | x̄±s | |||||||||
| Categorical variable | ||||||||||||||
| Gender | 0.002 | |||||||||||||
| Male | 393 | 31 | 7.9 | 362 | 92.1 | 2.43 | 1.30-4.56 | 0.005 | ||||||
| Female | 512 | 17 | 3.3 | 495 | 96.7 | 1 | ||||||||
| Educational level | 0.066 | |||||||||||||
| Illiterate or primary school | 430 | 29 | 6.7 | 401 | 93.3 | |||||||||
| High school or above | 475 | 19 | 4.0 | 456 | 96.0 | |||||||||
| Hypertension | 0.042 | |||||||||||||
| Yes | 211 | 17 | 8.1 | 194 | 91.9 | |||||||||
| No | 694 | 31 | 4.5 | 663 | 95.5 | |||||||||
| Diabetes | 0.814 | |||||||||||||
| Yes | 44 | 2 | 4.5 | 42 | 95.5 | |||||||||
| No | 861 | 46 | 5.3 | 815 | 94.7 | |||||||||
| Hyperlipemia | 0.843 | |||||||||||||
| Yes | 33 | 1 | 3.0 | 32 | 97.0 | |||||||||
| No | 872 | 47 | 5.4 | 825 | 94.6 | |||||||||
| Coronary heart disease | 0.008 | |||||||||||||
| Yes | 16 | 4 | 25.0 | 12 | 75.0 | 5.18 | 1.51-17.68 | 0.009 | ||||||
| No | 889 | 44 | 4.9 | 845 | 95.1 | 1 | ||||||||
| Gastric operation history | 1.000 | |||||||||||||
| Yes | 17 | 0 | 0.0 | 17 | 100 | |||||||||
| No | 888 | 48 | 5.4 | 840 | 94.6 | |||||||||
| Gallbladder operation history | 0.455 | |||||||||||||
| Yes | 50 | 1 | 2.0 | 49 | 98.0 | |||||||||
| No | 855 | 47 | 5.5 | 808 | 94.5 | |||||||||
| Appendix operation history | 0.848 | |||||||||||||
| Yes | 78 | 5 | 6.4 | 73 | 93.6 | |||||||||
| No | 827 | 43 | 5.2 | 784 | 94.8 | |||||||||
| Administration of Aspirin | 0.909 | |||||||||||||
| Yes | 21 | 1 | 4.8 | 20 | 95.2 | |||||||||
| No | 884 | 47 | 5.3 | 837 | 94.7 | |||||||||
| Smoking | 0.175 | |||||||||||||
| Yes | 210 | 15 | 7.1 | 195 | 92.9 | |||||||||
| No | 695 | 33 | 4.7 | 662 | 95.3 | |||||||||
| Alcohol | 0.009 | |||||||||||||
| Yes | 143 | 14 | 9.8 | 129 | 90.2 | |||||||||
| No | 762 | 34 | 4.5 | 728 | 95.5 | |||||||||
| Tea | 0.004 | |||||||||||||
| Frequently | 191 | 18 | 9.4 | 173 | 90.6 | |||||||||
| Occasionally | 714 | 30 | 4.2 | 684 | 95.8 | |||||||||
| Physical activity | 0.248 | |||||||||||||
| Mild | 169 | 12 | 7.1 | 157 | 92.9 | |||||||||
| Moderate or heavy | 736 | 36 | 4.9 | 700 | 95.1 | |||||||||
| Green vegetable intake | 0.046 | |||||||||||||
| Frequently | 880 | 44 | 5.0 | 836 | 95.0 | |||||||||
| Occasionally | 25 | 4 | 16.0 | 21 | 84.0 | |||||||||
| Fruit intake | 0.559 | |||||||||||||
| Frequently | 472 | 27 | 5.7 | 445 | 94.3 | |||||||||
| Occasionally | 433 | 21 | 4.8 | 412 | 95.2 | |||||||||
| Milk intake | 0.359 | |||||||||||||
| Frequently | 88 | 7 | 8.0 | 81 | 92.0 | |||||||||
| Occasionally | 817 | 41 | 5.0 | 776 | 95.0 | |||||||||
| Egg intake | 0.044 | |||||||||||||
| Frequently | 419 | 29 | 6.9 | 390 | 93.1 | 1.73 | 0.94-3.20 | 0.079 | ||||||
| Occasionally | 486 | 19 | 3.9 | 467 | 96.1 | 1 | ||||||||
| Pickled food intake | 0.208 | |||||||||||||
| Frequently | 132 | 10 | 7.6 | 122 | 92.4 | |||||||||
| Occasionally | 773 | 38 | 4.9 | 735 | 95.1 | |||||||||
| Fried or smoked food intake | 0.813 | |||||||||||||
| Frequently | 32 | 2 | 6.3 | 30 | 93.7 | |||||||||
| Occasionally | 873 | 46 | 5.3 | 827 | 94.7 | |||||||||
| Bamboo root intake | 0.338 | |||||||||||||
| Frequently | 195 | 13 | 6.7 | 182 | 93.3 | |||||||||
| Occasionally | 710 | 35 | 4.9 | 675 | 95.1 | |||||||||
| Red meat intakec | 0.894 | |||||||||||||
| Frequently | 630 | 33 | 5.2 | 597 | 94.8 | |||||||||
| Occasionally | 275 | 15 | 5.5 | 260 | 94.5 | |||||||||
| White meat intaked | 0.757 | |||||||||||||
| Frequently | 642 | 35 | 5.5 | 607 | 94.5 | |||||||||
| Occasionally | 263 | 13 | 4.9 | 250 | 95.1 | |||||||||
| Defecation frequency | 0.062 | |||||||||||||
| Once every 2 or more days | 219 | 17 | 7.8 | 202 | 92.2 | 2.12 | 1.12-4.01 | 0.021 | ||||||
| Once or more everyday | 686 | 31 | 4.5 | 655 | 95.5 | 1 | ||||||||
| Continuous variable | ||||||||||||||
| Age (year) | 62.7±9.7 | 56.2±10.0 | <0.001 | 1.06 | 1.03-1.09 | <0.001 | ||||||||
| BMI (kg/m2) | 23.3±2.5 | 23.3±3.0 | 0.892 | |||||||||||
a, single factor analysis results; b, multivariate analysis results; c, red meat included pork, cattle and lamb; d, white meat included chick, duck and fish.