13 November 2020 : Database Analysis
Association of Thiamine Intake with Human Papillomavirus (HPV) Infection in American Women: A Secondary Data Analysis Based on the National Health and Nutrition Examination Survey from 2003 to 2016
Yue-xi Zhou1BCE, Fang-fang Zhu1BE, Chi Chen2C, Ying-xuan Zhang1D, Xiao-li Lv1F, Jing-wei Li1F, Song-ping Luo3AG*, Jie Gao3AGDOI: 10.12659/MSM.924932
Med Sci Monit 2020; 26:e924932
Table 3 Nonlinear relationship detecting by weighted two-piecewise linear model.
| HPV infection | |
|---|---|
| Model I | |
| Regression coefficients | 0.87 (0.80, 0.95) |
| Model II | |
| Inflection point of thiamine intake (log2 transform) | 1.05 |
| Regression coefficients (≤inflection point) | 0.82 (0.74, 0.90) |
| Regression coefficients (>inflection point) | 1.40 (0.93, 2.10) |
| Regression coefficient difference | 1.71 (1.09, 2.68) |
| predicted value of thiamine intake (Y) at inflection point | −0.37 (−0.48, −0.27) |
| P for log likelihood ratio test | 0.019 |