Figure 2
From: Unhealthy lifestyle factors and the risk of colorectal cancer: a Mendelian randomization study
The forest plots depict a causal association between smoking initiation, cigarettes per day, Waist-to-hip ratio and colorectal cancer. IVW method was regarded as the primary method in this study. (A) Age of initiation of regular smoking; (B) cigarettes per day; (C) waist-to-hip ratio.
