Table 5 Subgroup analysis for the association between dietary selenium intake and the risk of ASCVD.

From: Association between dietary selenium intake and the risk of cardiovascular disease in US adults: a population-based study

Subgroup

OR (95%CI)

P for trend

P for interaction

Sex

  

0.075

Female

(N = 20,317)

Tertile 1

Reference

Reference

 

Tertile 2

0.701 (0.579, 0.848)

 < 0.001

 

Tertile 3

0.735 (0.532, 1.016)

0.062

 

Male

(N = 19,055)

Tertile 1

Reference

Reference

 

Tertile 2

0.968 (0.793,1.181)

0.745

 

Tertile 3

1.113 (0.852, 1.453)

0.428

 

Age

  

0.122

 < 60

(N = 26,185)

Tertile 1

Reference

Reference

 

Tertile 2

0.783 (0.617, 0.993)

0.044

 

Tertile 3

0.822 (0.604, 1.119)

0.210

 

 >  = 60

(N = 13,187)

Tertile 1

Reference

Reference

 

Tertile 2

0.839 (0.716, 0.982)

0.029

 

Tertile 3

0.954 (0.749, 1.215)

0.699

 

BMI

  

0.818

Normal weight (N = 11,832)

Tertile 1

Reference

Reference

 

Tertile 2

0.915 (0.657,1.274)

0.596

 

Tertile 3

0.902 (0.621, 1.310)

0.583

 

Overweight

(N = 12,822)

Tertile 1

Reference

Reference

 

Tertile 2

0.832 (0.631, 1.097)

0.190

 

Tertile 3

0.940 (0.692, 1.277)

0.688

 

Obesity

(N = 14,718)

Tertile 1

Reference

Reference

 

Tertile 2

0.758 (0.607, 0.947)

0.015

 

Tertile 3

0.891 (0.673, 1.180)

0.417

 

DM

  

0.612

Yes

(N = 7039)

Tertile 1

Reference

Reference

 

Tertile 2

0.785 (0.628, 0.982)

0.034

 

Tertile 3

0.899 (0.668, 1.210)

0.478

 

No

(N = 32,333)

Tertile 1

Reference

Reference

 

Tertile 2

0.842 (0.690, 1.028)

0.090

 

Tertile 3

0.931 (0.728, 1.190)

0.563

 

Hypertension

  

0.034

Yes

(N = 16,638)

Tertile 1

Reference

Reference

 

Tertile 2

0.738 (0.633, 0.859)

 < 0.001

 

Tertile 3

0.878 (0.684, 1.126)

0.302

 

No

(N = 22,734)

Tertile 1

Reference

Reference

 

Tertile 2

1.100 (0.816, 1.483)

0.527

 

Tertile 3

1.043 (0.740, 1.471)

0.806

 

Alcohol use

  

0.683

Yes

(N = 29,936)

Tertile 1

Reference

Reference

 

Tertile 2

0.836 (0.690, 1.013)

0.067

 

Tertile 3

0.937 (0.731, 1.191

0.592

 

No

(N = 9436)

Tertile 1

Reference

Reference

 

Tertile 2

0.774 (0.585, 1.025)

0.073

 

Tertile 3

0.870 (0.584, 1.297)

0.491

 
  1. Bold means the result is of statistical significance.