Table 3 Stratified association between TyG-BMI and diabetes by age, sex, and BMI

Age (years)

0.0095

 20–30

14,934

2.81 (2.34, 3.36)

1.83 (1.24, 2.70)

 31–40

41,461

2.79 (2.58, 3.01)

2.16 (1.90, 2.47)

 41–50

26,038

2.58 (2.41, 2.76)

1.87 (1.65, 2.12)

 51–60

19,151

2.06 (1.95, 2.19)

1.45 (1.31, 1.61)

 61–70

10,701

1.67 (1.55, 1.80)

1.14 (1.01, 1.29)

 >70

4376

1.56 (1.40, 1.74)

1.26 (1.08, 1.48)

Sex

0.0651

 Male

62,759

2.13 (2.05, 2.22)

1.44 (1.33, 1.55)

 Female

53,902

2.51 (2.39, 2.64)

1.59 (1.45, 1.74)

BMI (kg/m²)

< 0.0001

 <24

69,459

5.57 (4.92, 6.31)

2.32 (1.86, 2.89)

 ≥24, < 28

37,086

3.47 (3.15, 3.82)

1.68 (1.38, 2.04)

 ≥ 28

10,116

1.80 (1.65, 1.97)

1.25 (1.07, 1.45)