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Table 2 Characteristics of participants categorized by body mass index and blood pressure status

From: Interaction between body mass index and serum uric acid in relation to blood pressure in community-dwelling Japanese men

  Body mass index < 21.0 kg/m2 N = 216   Body mass index ≥21.0 kg/m2 N = 601  
Characteristics Normotension Prehypertension Hypertension P-value Normotension Prehypertension Hypertension P-value
N = 817 N = 62 N = 90 N = 64 N = 97 N = 245 N = 259
Age (years) 65 ± 10 69 ± 9 68 ± 8 0.083 63 ± 8 67 ± 9 66 ± 9 0.002
Body mass index (kg/m2) 19.4 ± 1.0 19.6 ± 1.1 19.6 ± 1.1 0.341 23.6 ± 2.1 23.7 ± 2.1 24.5 ± 2.4 < 0.001
Alcohol consumption (%) 40.3/21.0/11.2/27.4 34.4/27.8/10.0/27.8 37.5/10.9/6.3/45.3 0.099 43.3/19.6/10.3/26.8 37.1/27.3/8.6/26.9 42.5/22.8/8.1/26.6 0.731
Smoking status (%) 30.6/37.1/21.0/11.3 26.7/28.9/32.2/12.2 18.8/26.6/21.9/32.8 0.011 22.7/30.9/25.8/20.6 30.6/30.2/22.4/16.7 19.7/24.3/29.3/26.6 0.012
History of CVD, N (%) 3 (4.8) 10 (11.1) 3 (4.7) 0.214 6 (6.2) 28 (11.4) 18 (6.9) 0.130
Triglycerides (mg/dL) 79 (57-97) 79 (63-100) 80 (62-108) 0.266 110 (74-151) 99 (74-144) 100 (72-146) 0.997
HDL cholesterol (mg/dL) 68 ± 17 64 ± 16 70 ± 18 0.110 55 ± 16 57 ± 15 58 ± 14 0.278
LDL cholesterol (mg/dL) 101 ± 27 102 ± 28 108 ± 31 0.327 118 ± 29 114 ± 30 114 ± 33 0.396
Antilipidemic medication, N (%) 0 2 (2.2) 1 (1.6) 0.511 6 (6.2) 17 (6.9) 11 (4.2) 0.413
Fasting plasma glucose (mg/dL) 95 (89-111) 97 (89-112) 102 (94-120) 0.213 102 (92-116) 103 (91-117) 102 (94-120) 0.141
Antiidiabetic medication, N (%) 4 (6.5) 0 2 (3.1) 0.058 3 (3.1) 18 (7.3) 15 (5.8) 0.322
Serum uric acid (mg/dL) 5.1 ± 1.1 5.4 ± 1.3 5.6 ± 1.2 0.059 6.0 ± 1.1 5.8 ± 1.3 5.6 ± 1.3 0.044
eGFR (ml/min./1.73m2) 81.0 ± 14.8 78.3 ± 12.9 80.9 ± 14.4 0.372 76.8 ± 13.4 76.4 ± 14.5 78.5 ± 15.1 0.252
Aspartate transaminase (IU/L) 19 (15-24) 17 (13-22) 18 (14-24) 0.102 18 (15-24) 20 (15-26) 20 (16-27) 0.084
γ-glutamyl transpeptidase (IU/L) 27 (20-37) 27 (19-38) 35 (21-64) 0.004 29 (21-43) 34 (22-50) 36 (25-65) < 0.001
  1. Data for triglycerides, fasting plasma glucose, aspartate transaminase, and γ-glutamyl transpeptidase were skewed and were log-transformed for analysis. P-value: Student’s t-test for continuous variables or the χ2 -test for categorical variables. Bolded numbers indicate significance