ALB and Hypertension: As shown in Table 2, higher sTfR levels were associated with higher odds of hypertension (OR = 1.05; 95% CI: 1.01–1.09; p = 0.001) after adjustment for all the potential confounding factors, including age, sex, ethnicity, educational level, income, smoking, drinking, physical activity, BMI, waist circumference, triglycerides, total cholesterol, HDL cholesterol, fasting glucose, glycohemoglobin, white cell count, and albumin.