Table 4.

Subgroup regression analysis between METS-VF index with ED prevalence.

Characteristic	Model 1 OR (95% CI)	Model 2 OR (95% CI)	Model 3 OR (95% CI)
Stratified by age (years)
20-49	1.44 (1.07, 1.94)	1.47 (1.07, 2.02)	1.33 (0.95, 1.88)
50-85	2.74 (2.10, 3.57)	2.76 (2.11, 3.62)	2.05 (1.54, 2.73)
Stratified by race
Mexican American	4.94 (3.25, 7.49)	4.90 (3.21, 7.49)	2.71 (1.70, 4.33)
White	8.88 (6.77, 11.66)	8.53 (6.49, 11.21)	5.01 (3.76, 6.67)
Black	3.55 (2.49, 5.06)	3.60 (2.48, 5.21)	2.19 (1.46, 3.29)
Other Race	2.24 (0.90, 5.55)	1.94 (0.75, 5.04)	1.76 (0.53, 5.84)
Stratified by hypertension
Yes	4.78 (3.44, 6.65)	4.65 (3.32, 6.49)	3.64 (2.56, 5.18)
No	4.58 (3.62, 5.80)	4.40 (3.45, 5.62)	3.38 (2.63, 4.35)
Stratified by diabetes
Yes	4.09 (2.26, 7.40)	3.77 (2.06, 6.90)	3.79 (1.86, 7.71)
No	5.21 (4.26, 6.37)	5.09 (4.14, 6.25)	3.49 (2.82, 4.32)
Stratified by CVD
Yes	3.43 (1.55, 7.55)	3.44 (1.50, 7.87)	3.82 (1.41, 10.36)
No	5.64 (4.64, 6.86)	5.58 (4.57, 6.82)	3.47 (2.82, 4.27)

Model 1 was adjusted for no covariates;

Model 2 was adjusted for race,marital status and education;

Model 3 adjusted for all covariates except effect modifier.