©The Author(s) 2026.
World J Gastrointest Oncol. Feb 15, 2026; 18(2): 113959
Published online Feb 15, 2026. doi: 10.4251/wjgo.v18.i2.113959
Published online Feb 15, 2026. doi: 10.4251/wjgo.v18.i2.113959
Table 1 Variable description
| Research variable | Categories | Coding |
| Gender | ||
| Male | 0 | |
| Female | 1 | |
| Education level | ||
| Junior high school or below | 0 | |
| Above junior high school | 1 | |
| Recurrent abdominal discomfort symptoms | ||
| None | 0 | |
| Present | 1 | |
| Long-term smoking history (smoking duration greater than 6 months) | ||
| None | 0 | |
| Present | 1 | |
| Long-term alcohol consumption history (drinking frequency greater than 3 times per week) | ||
| None | 0 | |
| Present | 1 | |
| Long-term tea drinking history (tea consumption frequency greater than once per week) | ||
| None | 0 | |
| Present | 1 | |
| Frequency of fresh fruit intake | ||
| Less than 5 times per week | 0 | |
| Greater than 5 times per week | 1 | |
| Dietary temperature preference | ||
| Moderate temperature | 0 | |
| Overly hot or cold | 1 | |
| Salt intake | ||
| Normal or less | 0 | |
| Excessive | 1 | |
| Sleep quality | ||
| Fair or good | 0 | |
| Poor | 1 | |
| Hypertension history | ||
| None | 0 | |
| Present | 1 | |
| Diabetes history | ||
| None | 0 | |
| Present | 1 | |
| Family history of tumors | ||
| None | 0 | |
| Present | 1 | |
| Family history of gastric cancer | ||
| None | 0 | |
| Present | 1 | |
| H. pylori infection history | ||
| Negative | 0 | |
| Positive | 1 | |
| Pepsinogen ratio | ||
| Age | ||
| Body mass index | ||
| Sleep duration | ||
- Citation: Cao H, Han JL, Wu H, Si SP, Ding LJ, Ji L, Zhang HZ, Yin J, Zhou ZY, Zhang YN, Lv ZF, Tian WY, Zhan Q, Wang H, An FM. Risk prediction for chronic atrophic gastritis using a random forest model: A multicenter study. World J Gastrointest Oncol 2026; 18(2): 113959
- URL: https://www.wjgnet.com/1948-5204/full/v18/i2/113959.htm
- DOI: https://dx.doi.org/10.4251/wjgo.v18.i2.113959