Table 1. General characteristics of the study population (n = 2 013). Data are means ± (SD).
Group Normal Overweight Obese
Age (year) 46.7 (16.2) 48.2 (14.4) 47.2 (12.4)
Height (m) 1.69 (.06) 1.69 (.06) 1.68 (.06)
Weight (kg) 60.8 (5.9) 68.9 (5.4) 76.8 (7.6)
BMI (kg·m-2) 21.27 (1.37) 24.05 (.57) 27.13 (1.76)
20s (n) 120 78 63
30s (n) 116 87 177
40s (n) 114 128 204
50s (n) 99 136 221
60s (n) 123 122 128
Over 70 (n) 51 27 19
Total number (%) 623 (30.9%) 578 (28.7%) 812 (40.3%)
BMI, Body mass index