Table 1 Baseline characteristics of the study population according to BMI categories

From: Obesity, abdominal obesity and subsequent risk of kidney cancer: a cohort study of 23.3 million East Asians

 BMI (kg/m2)
<18.518.5–23.023.0–24.925.0–29.9≥30.0
N945,8599,269,5815,637,1756,596,150864,281
 Sexa
  Males282,053 (29.8)3,987,644 (43.0)3,159,100 (56.0)3,949,283 (59.9)450,813 (52.2)
  Females663,806 (70.2)5,281,937 (57.0)2,478,075 (44.0)2,646,867 (40.1)413,468 (47.8)
  Age (years)b41.3 ± 17.245.8 ± 14.749.5 ± 13.749.9 ± 13.546.9 ± 14
  Height (cm)b162.3 ± 8.1162.9 ± 8.8163.6 ± 9.3164 ± 9.7163.6 ± 10.3
  Weight (kg)b46.4 ± 5.256.3 ± 7.064.4 ± 7.572.3 ± 9.186.0 ± 11.8
  BMI (kg/m2)b17.6 ± 0.821.1 ± 1.224.0 ± 0.626.8 ± 1.332.0 ± 2.0
  WC (cm)b66.1 ± 5.774.1 ± 6.381.2 ± 5.787.3 ± 6.296.9 ± 7.6
  Systolic BP (mmHg)b113.3 ± 14.2118.3 ± 14.6123.3 ± 14.5126.9 ± 14.6131.3 ± 15.1
  Diastolic BP (mmHg)b71.0 ± 9.473.7 ± 9.776.6 ± 9.778.9 ± 9.981.9 ± 10.3
  Total cholesterol (mg/dL)b178.0 ± 32.4188.7 ± 35.2197.5 ± 36.8201.8 ± 37.7204.8 ± 38.7
  Triglycerides (mg/dL)c72 (54–98)88 (63–128)114 (80–167)136 (94–198)151 (106–219)
  HDL-C (mg/dL)b63.1 ± 17.958.7 ± 1954.4 ± 19.652.1 ± 20.050.8 ± 19.5
  LDL-C (mg/dL)b99.4 ± 42.7109.8 ± 43.5116.9 ± 43.1118.8 ± 43.4119.8 ± 43.8
  Fasting glucose (mg/dL)b90.9 ± 19.294.2 ± 20.898.4 ± 23.5101.5 ± 25.5105.6 ± 29.5
  Creatinine (mg/dL)c0.8 (0.7–0.9)0.9 (0.7–1.0)0.9 (0.8–1.0)0.9 (0.8–1.1)0.9 (0.8–1.1)
  eGFR (mL/min/1.73 m2)b94.7 ± 40.790.9 ± 39.187.9 ± 39.787.0 ± 40.088.5 ± 40.7
  Hypertensiona93,924 (9.9)1,544,189 (16.7)1,560,872 (27.7)2,509,365 (38.0)437,820 (50.7)
  Diabetes mellitusa35,240 (3.7)551,472 (6.0)547,677 (9.7)875,261 (13.3)160,996 (18.6)
  Dyslipidemiaa57,793 (6.1)1,186,402 (12.8)1,188,111 (21.1)1,786,142 (27.1)278,827 (32.3)
  Chronic kidney diseasea44,462 (4.7)477,342 (5.2)354,012 (6.3)464,494 (7.1)61,885 (7.2)
  Current smokera199,772 (21.1)2,140,672 (23.1)1,407,372 (25.0)1,743,340 (26.4)239,614 (27.7)
  Heavy alcohol drinkera34,306 (3.6)481,433 (5.2)390,981 (6.9)560,407 (8.5)76,838 (8.9)
  Regular exercisera369,554 (39.1)4,456,487 (48.1)2,910,901 (51.6)3,393,477 (51.5)424,359 (49.1)
  Income (the lowest quartile)a288,290 (30.5)2,592,628 (28.1)1,441,347 (25.6)1,659,489 (25.2)246,089 (28.5)
  1. BMI body mass index, WC waist circumference, BP blood pressure, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, eGFR estimated glomerular filtration rate
  2. aValues are presented as number (percentage)
  3. bValues are presented as mean ± standard deviation
  4. cValues are presented as median (interquartile range) using the Wilcoxon rank-sum test