Fig. 4

SHAP feature importance summary plot. Each feature corresponds to a specific shapley value and is sorted according to importance from large to small

Abbreviations: SHAP, SHapley Additive exPlanations. Mg, magnesium; RC, remnant cholesterol; Ca, calcium; MCHc, mean corpuscular hemoglobin concentration; K, potassium; SOD, superoxide dismutase; RBC, red blood cell count; TBA, total bile acids; TG, triglycerides; MCH, mean corpuscular hemoglobin; Nationality_1, The Han nationality; Nationality_2, The Manchu; Nationality_3, The Hui nationality; Nationality_4, The Uighurs; Nationality_5, Other; Oils commonly used at home_1, salad oil or blending oil; Oils commonly used at home_2, not fixed; Oils commonly used at home_3, vegetable oil; Picky eating behavior_1, yes; Picky eating behavior_2, occasionally; Picky eating behavior_3, no; Frequency of eating breakfast_1, every day; Frequency of eating breakfast_2,sometimes; Frequency of eating breakfast_3, rare

Note: All categorical variables in the RF model have been one-hot encoded