a significant trendp < 0.001
After full adjustment (model 3), FLI ≥ 60 was significantly associated with higher risks of all-cause (HR; 1.33, 95% CI; 1.26–1.44) and CVD mortality (HR; 1.32, 95% CI; 1.12–1.56), with a significant trend across FLI ( p < 0.001).