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Case Control Study
©The Author(s) 2026.
World J Diabetes. Jan 15, 2026; 17(1): 114624
Published online Jan 15, 2026. doi: 10.4239/wjd.v17.i1.114624
Table 2 Baseline characteristics of participants by level of body mass index
GroupBMI (kg/m2)
P value
< 18.5 (n = 56566)
< 23 (n = 535450)
< 25 (n = 410244)
< 30 (n = 602426)
≥ 30 (n = 110173)
Age (year)51.24 ± 20.2856.65 ± 15.9959.59 ± 13.3958.95 ± 13.1953.53 ± 14.69< 0.0001
    3919502 (34.48)80030 (14.95)30517 (7.44)47728 (7.92)20765 (18.85)< 0.0001
    40-6419602 (34.65)270107 (50.44)220489 (53.75)332408 (55.18)60316 (54.75)
    ≥ 6517462 (30.87)185313 (34.61)159238 (38.82)222290 (36.9)29092 (26.41)
Sex (male)16627 (29.39)210349 (39.28)207643 (50.61)326356 (54.17)54134 (49.14)< 0.0001
Smoking< 0.0001
    Non41252 (72.93)374889 (70.01)263541 (64.24)370438 (61.49)68978 (62.61)
    Former4484 (7.93)67386 (12.58)74651 (18.20)120838 (20.06)17383 (15.78)
    Current10830 (19.15)93175 (17.40)72052 (17.56)111150 (18.45)23812 (21.61)
Drinking1< 0.0001
    Non36289 (64.15)345181 (64.47)256710 (62.57)364598 (60.52)66010 (59.91)
    Mild17634 (31.17)162628 (30.37)127973 (31.19)191763 (31.83)34297 (31.13)
    Heavy2643 (4.67)27641 (5.16)25561 (6.23)46065 (7.65)9866 (8.96)
Physical activity-regular27235 (12.79)106891 (19.96)91849 (22.39)126601 (21.02)18704 (16.98)< 0.0001
Income-low313067 (23.10)120206 (22.45)87657 (21.37)127458 (21.16)24661 (22.38)< 0.0001
Hypertension14261 (25.21)206166 (38.5)212345 (51.76)372258 (61.79)78355 (71.12)< 0.0001
Dyslipidemia8264 (14.61)143192 (26.74)150791 (36.76)258843 (42.97)52756 (47.88)< 0.0001
eGFR < 60 mL/minute/1.73 m223040 (40.73)298062 (55.67)255719 (62.33)363721 (60.38)51122 (46.40)< 0.0001
Proteninuria, positive35622 (62.97)259211 (48.41)172597 (42.07)267338 (44.38)64467 (58.51)< 0.0001
Height, cm160.74 ± 8.76160.7 ± 8.93161.42 ± 9.38161.95 ± 9.74162.48 ± 10.69< 0.0001
Weight, kg45.11 ± 5.5054.95 ± 6.9262.64 ± 7.4570.7 ± 9.2185.8 ± 13.26< 0.0001
BMI, kg/m217.4 ± 0.9221.21 ± 1.223.95 ± 0.5726.86 ± 1.3332.35 ± 2.53< 0.0001
Waist circumference, cm66.44 ± 6.2075.24 ± 6.6182.12 ± 5.8388.33 ± 6.3798.71 ± 8.13< 0.0001
Fasting glucose, mg/dL98.56 ± 34.86103.29 ± 34.63107.86 ± 34.75111.82 ± 36.18119.11 ± 41.66< 0.0001
SBP, mmHg116.46 ± 16.62122.15 ± 16.2126.51 ± 15.6129.54 ± 15.56134.12 ± 16.85< 0.0001
DBP, mmHg72.68 ± 10.4775.16 ± 10.2777.49 ± 10.1379.56 ± 10.4283.07 ± 11.85< 0.0001
Total cholesterol, mg/dL185.47 ± 37.79194.51 ± 39.8199.27 ± 41.18201.09 ± 42.17204.02 ± 43.11< 0.0001
HDL-C, mg/dL63.82 ± 19.0657.73 ± 17.353.03 ± 15.5650.85 ± 14.6849.66 ± 14.08< 0.0001
LDL-C, mg/dL102.76 ± 33.77113.4 ± 36.16117.81 ± 37.74118.01 ± 38.69118.47 ± 39.65< 0.0001
eGFR, mL/minute/1.73 m278.73 ± 29.0170.14 ± 25.3866.19 ± 22.4466.76 ± 22.4373.77 ± 25.75< 0.0001
Triglyceride, mg/dL82.17 (81.84-82.52)100.83 (100.68-100.98)124.19 (123.99-124.4)142.81 (142.61-143)162.06 (161.55-162.58)< 0.0001


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