Table 3.
Univariate and Multivariate Predictors of Early Colorectal Neoplasm in the Training Set
| Unadjusted | Adjusted | ||||
|---|---|---|---|---|---|
| OR (95% CI) | P value | β Coefficient | OR (95% CI) | P value | |
| Age (year) | 0.00 | 0.00 | |||
| 50- | 1 | 0.00 | 1 | ||
| 60- | 1.32 (1.16, 1.49) | 0.00 | 0.37 | 1.45 (1.25, 1.69) | 0.00 |
| 70- | 1.15 (0.93, 1.42) | 0.21 | 0.31 | 1.37 (1.07, 1.75) | 0.01 |
| Sex | |||||
| Male | 1.84 (1.63, 2.08) | 0.00 | 0.30 | 1.35 (1.09, 1.67) | 0.01 |
| Female | 1 | 0.00 | 1 | ||
| BMI (kg/m2) | 0.00 | 0.01 | |||
| 18.5 ≤ BMI < 24 | 1 | 0.00 | 1 | ||
| BMI <18.5 | 0.97 (0.62, 1.52) | 0.89 | 0.09 | 1.10 (0.69, 1.76) | 0.68 |
| 24 ≤ BMI < 28 | 1.13 (0.98, 1.31) | 0.10 | 0.12 | 1.13 (0.97, 1.31) | 0.13 |
| BMI ≥ 28 | 1.55 (1.23, 1.95) | 0.00 | 0.41 | 1.51 (1.18, 1.92) | 0.00 |
| Family history | 0.00 | ||||
| No | 1 | 0.00 | 1 | ||
| Yes | 2.76 (2.12, 3.59) | 0.00 | 1.02 | 2.78 (2.08, 3.71) | |
| Smoking | 0.02 | ||||
| No | 1 | 0.00 | 1 | ||
| Current/ever | 1.77 (1.57, 2.00) | 0.00 | 0.25 | 1.28 (1.04, 1.58) | |
| Alcohol | 0.03 | ||||
| No | 1 | 0.00 | 1 | ||
| Current/ever | 1.78 (1.56, 2.03) | 0.00 | 0.20 | 1.23 (1.02, 1.48) | |
| Intake of fatty fooda | 0.65 | ||||
| Occasional | 1 | 0.00 | 1 | ||
| Regular | 1.15 (1.00, 1.33) | 0.04 | −0.04 | 0.96 (0.79, 1.15) | |
| Intake of fried fooda | 0.12 | ||||
| Occasional | 1 | 0.00 | 1 | ||
| Regular | 1.30 (1.05, 1.63) | 0.02 | 0.22 | 1.25 (0.94, 1.65) | |
| Intake of pickled fooda | 0.27 | ||||
| Occasional | 1 | 0.00 | 1 | ||
| Regular | 1.19 (1.04, 1.37) | 0.01 | 0.09 | 1.10 (0.93, 1.31) | |
| Moderate-to-intensity physical activityb | 0.01 | ||||
| Never | 1 | 0.00 | 1 | ||
| Regular | 0.74 (0.63, 0.88) | 0.00 | − 0.24 | 0.79 (0.66, 0.94) | |
Notes: aThe dietary factors including intake of fatty meat, fried food and pickled food were categorized as occasional (<3 days per week) or regular (3–7 days per week). bModerate-to-intensity physical activity was classified as never or regular (at least 1 day per week).
Abbreviations: BMI, body mass index; OR, odds ratio; 95% CI, 95% confidence interval..