Table 4 Subgroup analysis of the association between weight-adjusted-waist index and all-cause mortality

Gender

0.380

Male

632/9,080

43940.42

1.10 (0.97, 1.24)

Female

433/9,512

46371.25

1.19 (1.04, 1.35)

Race/ethnicity

0.010

Non-Hispanic White

606/7,738

37867.50

1.21 (1.07, 1.37)

Non-Hispanic Black

258/4,844

23902.17

0.87 (0.72, 1.05)

Mexican American

92/2,975

14063.42

1.32 (0.96, 1.82)

Other races

109/3,035

14478.58

1.44 (1.03, 2.03)

Age

0.931

< 60 years

263/13,051

65725.00

1.35 (1.14, 1.59)

≥ 60 years

802/5,541

24586.67

1.34 (1.20, 1.49)

Diabetes

0.842

Yes

350/2,898

13050.25

1.14 (1.02, 1.28)

No

715/15,694

77261.42

1.12 (0.95, 1.32)

Stroke

0.393

Yes

141/693

2895.58

1.15 (1.04, 1.27)

No

924/17,899

87416.08

1.02 (0.78, 1.32)

Coronary heart disease

0.703

Yes

167/725

2958.75

1.13 (1.02, 1.26)

No

898/17,867

87352.92

1.08 (0.86, 1.36)

Renal failure

0.075

Yes

96/629

2798.00

1.16 (1.05, 1.28)

No

969/17,963

87513.67

0.87 (0.65, 1.17)

Hypertension

0.821

Yes

702/6,714

31562.75

1.09 (0.93, 1.28)

No

363/11,878

58748.92

1.12 (0.99, 1.26)

Myocardial infarction

0.136

Yes

168/758

3143.00

1.16 (1.04, 1.28)

No

897/17,834

87168.67

0.95 (0.75, 1.21)

Cancer

0.001

Yes

279/1,783

7888.42

1.23 (1.11, 1.37)

No

786/16,809

82423.25

0.88 (0.74, 1.06)

Body mass index

0.106

< 25 kg/m²

335/5,021

24985.33

1.17 (0.98, 1.39)

25–29.9 kg/m²

330/5,903

28919.75

1.53 (1.27, 1.85)

≥ 30 kg/m²

390/7,648

36330.75

1.28 (1.09, 1.51)

Liver diseases

0.834

Yes

96/777

3428.42

1.13 (1.02, 1.25)

No

969/17,815

86883.25

1.10 (0.78, 1.57)