Table 2.
Risk factors associated with early-onset colorectal neoplasm.
| Crude OR (95% CI) | Multivariable-adjusted OR a (95% CI) | |
|---|---|---|
| Male | 2.49 (1.72-3.61) | 1.94 (1.12-3.36) |
| BMI | 1.09 (1.03-1.15) | 1.07 (1.01-1.14) |
| Family history of colorectal cancer | 4.96 (2.95-8.33) | 5.17 (3.07-8.72) |
| Smoking | ||
| Nonsmoker | 1 | 1 |
| Ever smoker | 1.68 (0.52-5.38) | 0.92 (0.27-3.12) |
| Current smoker | 2.26 (1.58-3.23) | 1.27 (0.75-2.15) |
| Alcohol b | ||
| Nondrinker | 1 | 1 |
| Light drinker | 0.69 (0.17-2.82) | 0.42 (0.10-1.74) |
| Drinker | 2.12 (1.44-3.12) | 1.20 (0.76-1.89) |
BMI, body mass index; CI, confidence interval; OR, odds ratio.
a
Adjusted for educational level (illiterate/primary school, middle school, and college/university), marital status (married, unmarried, divorced, and widowed), and personal history of diabetes (yes/no).
b
Alcohol drinking was classified as nondrinker, light drinker (<1 time per month for more than 6 months), and drinker (≥1 time per month for more than 6 months).