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Table 2 Characteristics of 7941 women and 6098 men among 4 BMI categories in this study

From: Nonlinear relationship between serum uric acid and body mass index: a cross-sectional study of a general population in coastal China

CharacteristicsUnder-weightNormal weightOverweightObesityP-value
n470754849831038 
Hyperuricemia4.81%7.19%13.46%17.68%< 0.001
Age (years)42.49 ± 18.6046.64 ± 14.2850.42 ± 12.5151.98 ± 12.87< 0.001
Body mass index (kg/m2)17.59 ± 0.7522.33 ± 1.7327.06 ± 1.3632.01 ± 2.21< 0.001
Occupation types,  %    < 0.001
 Light physical290 (61.70)4555 (60.35)3294 (66.10)733 (70.62) 
 Moderate physical147 (31.28)2322 (30.76)1311 (26.31)244 (23.51) 
 Heavy physical33 (7.02)671 (8.89)378 (7.59)61 (5.88) 
Serum uric acid (μmol/L)273.62 ± 72.84287.58 ± 82.84321.35 ± 88.14341.60 ± 93.59< 0.001
Smoking status in last 6 months (%)    < 0.001
 Smoking354 (75.32)5575 (73.86)3816 (76.58)828 (79.77) 
 Never110 (23.40)1792 (23.74)1031 (20.69)191 (18.40) 
 Past6 (1.28)181 (2.40)136 (2.73)19 (1.83) 
Alcohol drinking status in last 6 months (%)    < 0.001
 Never373 (79.36)5589 (74.05)3588 (72.00)807 (77.75) 
 Moderate56 (11.91)1259 (16.68)911 (18.28)158 (15.22) 
 Heavy38 (8.09)657 (8.70)457 (9.17)71 (6.84) 
 Quit3 (0.64)43 (0.57)27 (0.54)2 (0.19) 
Systolic blood pressure (mmHg)118.08 ± 17.73126.39 ± 19.85135.75 ± 20.41142.34 ± 22.28< 0.001
Diastolic blood pressure (mmHg)76.57 ± 10.2181.39 ± 11.1586.86 ± 11.9090.94 ± 12.85< 0.001
Fasting blood glucose (mmol/L)4.70 (4.10–5.20)4.92 (4.40–5.50)5.20 (4.60–5.88)5.60 (4.90–6.31)< 0.001
Triglyceride (mmol/L)0.78 (0.59–1.07)0.97 (0.68–1.44)1.41 (0.96–2.14)1.70 (1.18–2.57)< 0.001
High-density lipoprotein cholesterol (mmol/L)1.47 ± 0.351.41 ± 0.411.30 ± 0.381.27 ± 0.38< 0.001
Low-density lipoprotein cholesterol (mmol/L)2.39 ± 0.732.65 ± 0.812.89 ± 0.832.95 ± 0.80< 0.001
Total cholesterol (mmol/L)4.42 ± 0.964.73 ± 1.065.04 ± 1.055.21 ± 1.03< 0.001
Creatinine (μmol/L)71.03 ± 21.8374.47 ± 23.0277.37 ± 21.2678.73 ± 21.23< 0.001
Estimated glomerular filtration rate (%)99.92 (80.05–158.5)91.35 (76.59–142.9)86.36 (73.56–126.8)83.69 (72.03–113.2)< 0.001