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Table 5 Causal mediation analysis of KDM-BAacc on associations of obesity with incident CVD

From: How does biological age acceleration mediate the associations of obesity with cardiovascular disease? Evidence from international multi-cohort studies

Outcome

Obesity

OR (95% CI), per SD

Mediation proportion (%)

TCE

NDE

NIE

Stroke

 

BMI

1.28 (1.16–1.42)

1.25 (1.12–1.39)

1.03 (1.01–1.05)

11.11

 

WC

1.32 (1.15–1.51)

1.27 (1.1–1.46)

1.04 (1.02–1.06)

14.18

 

WtHR

1.37 (1.19–1.57)

1.32 (1.14–1.52)

1.04 (1.01–1.06)

11.99

 

BRI

1.33 (1.18–1.49)

1.28 (1.14–1.45)

1.03 (1.01–1.06)

11.86

 

CVAI

1.43 (1.22–1.66)

1.37 (1.17–1.60)

1.04 (1.02–1.07)

11.77

 

LAP

1.15 (1.04–1.28)

1.11 (1.00–1.24)

1.03 (1.01–1.05)

23.19

 

TyG

1.25 (1.05–1.49)

1.19 (1.00–1.42)

1.05 (1.02–1.08)

23.13

 

TyG-BMI

1.37 (1.22–1.55)

1.32 (1.16–1.49)

1.04 (1.02–1.07)

13.33

 

TyG-WC

1.41 (1.21–1.65)

1.34 (1.14–1.57)

1.06 (1.02–1.09)

16.17

 

TyG-WtHR

1.48 (1.26–1.74)

1.40 (1.18–1.66)

1.06 (1.02–1.09)

14.02

Heart disease

 

BMI

1.17 (1.07–1.29)

1.15 (1.05–1.27)

1.02 (1.00–1.03)

10.79

 

WC

1.23 (1.10–1.37)

1.20 (1.07–1.35)

1.02 (1.01–1.04)

10.72

 

WtHR

1.19 (1.06–1.33)

1.16 (1.03–1.30)

1.02 (1.01–1.04)

13.03

 

BRI

1.19 (1.07–1.32)

1.17 (1.05–1.30)

1.02 (1.01–1.04)

11.77

 

CVAI

1.21 (1.08–1.37)

1.18 (1.05–1.34)

1.03 (1.01–1.04)

13.05

 

LAP

1.01 (0.92–1.12)

0.99 (0.89–1.10)

1.02 (1.01–1.04)

 

TyG

1.02 (0.89–1.16)

0.99 (0.86–1.12)

1.03 (1.01–1.05)

 

TyG-BMI

1.18 (1.06–1.31)

1.15 (1.03–1.28)

1.03 (1.01–1.04)

15.91

 

TyG-WC

1.21 (1.08–1.36)

1.17 (1.04–1.32)

1.03 (1.01–1.06)

17.14

 

TyG-WtHR

1.17 (1.04–1.33)

1.13 (1.00–1.29)

1.03 (1.01–1.06)

21.05

CVD

 

BMI

1.22 (1.13–1.33)

1.20 (1.10–1.30)

1.02 (1.01–1.03)

10.08

 

WC

1.30 (1.18–1.43)

1.26 (1.15–1.39)

1.03 (1.01–1.04)

10.03

 

WtHR

1.25 (1.14–1.38)

1.22 (1.11–1.35)

1.03 (1.01–1.04)

11.58

 

BRI

1.25 (1.14–1.37)

1.22 (1.11–1.34)

1.02 (1.01–1.04)

10.96

 

CVAI

1.30 (1.17–1.44)

1.26 (1.14–1.40)

1.03 (1.01–1.05)

11.09

 

LAP

1.10 (1.02–1.19)

1.07 (0.99–1.16)

1.02 (1.01–1.04)

25.46

 

TyG

1.11 (1.00–1.24)

1.07 (0.96–1.20)

1.04 (1.02–1.06)

34.66

 

TyG-BMI

1.26 (1.15–1.38)

1.22 (1.12–1.34)

1.03 (1.01–1.05)

13.01

 

TyG-WC

1.32 (1.19–1.47)

1.28 (1.15–1.42)

1.04 (1.02–1.06)

13.30

 

TyG-WtHR

1.29 (1.16–1.44)

1.24 (1.11–1.38)

1.04 (1.02–1.06)

15.09

  1. “–” indicated suppression effect and was not reported. Bold indicated statistically significant proportion mediated. Models adjusted for age, sex, education level, marital status, residential area, smoking pack years, alcohol use, hypertension, diabetes, and hyperlipidemia.