Nonlinear associations between the ratio of family income to poverty and all-cause mortality among adults in NHANES study. - Yi, Hong; Li, Minghui; Dong, Youzheng; Gan, Zumao; He, Lei; Li, Xiaozhong; Tao, Yu; Xia, Zirong; Xia, Zhen; Xue, Yumei; Zhai, Zhenyu (Scientific Reports, 2024)