Table 4.

Threshold effect analysis.

Serum uric acid	Adjusted OR (95% CI), P value
Male
Serum uric acid < 4.1 (mg/dL)	0.79 (0.47, 1.31) 0.3574
Serum uric acid > 4.1 (mg/dL)	1.19 (1.11, 1.27) <0.0001
White
Serum uric acid < 7.9 (mg/dL)	1.34 (1.24, 1.45) <0.0001
Serum uric acid > 7.9 (mg/dL)	0.85 (0.61, 1.18) 0.3195

Age, sex, race, income-poverty ratio, physical activity, smoking behavior, alcohol consumption, diabetes mellitus status, body mass index, total cholesterol, serum homocysteine, urine creatinine, blood urea nitrogen, and total calcium were adjusted.