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Table 3 Interaction analysis of aMED and sleep disorder on mortality

From: Sleep disorder, Mediterranean diet, and all-cause and cause-specific mortality: a prospective cohort study

aMED categories

Sleep Disorder

HR 95% CI

P value

P for interaction

All-cause mortality

   

0.184

Higher aMED

Without

1(Ref)

  

Median aMED

Without

1.27 (1.11 ~ 1.46)

< 0.001

 

Lower aMED

Without

1.38 (1.21 ~ 1.58)

< 0.001

 

Higher aMED

With

1(Ref)

  

Median aMED

With

1.28 (0.9 ~ 1.82)

0.173

 

Lower aMED

With

1.46 (1.02 ~ 2.1)

0.04

 

CVD mortality

   

0.033

Higher aMED

Without

1(Ref)

  

Median aMED

Without

1.19 (0.9 ~ 1.58)

0.216

 

Lower aMED

Without

1.08 (0.81 ~ 1.43)

0.607

 

Higher aMED

With

1(Ref)

  

Median aMED

With

1.26 (0.56 ~ 2.86)

0.576

 

Lower aMED

With

1.65 (0.75 ~ 3.61)

0.213

 

Cancer mortality

   

0.955

Higher aMED

Without

1(Ref)

  

Median aMED

Without

1.28 (0.98 ~ 1.67)

0.066

 

Lower aMED

Without

1.46 (1.13 ~ 1.88)

0.004

 

Higher aMED

With

1(Ref)

  

Median aMED

With

0.68 (0.3 ~ 1.54)

0.35

 

Lower aMED

With

1.48 (0.72 ~ 3.04)

0.285

 
  1. Adjusted for age, sex, race (Mexican American, non-Hispanic white, non-Hispanic black, other races), education level (below high school, high school or equivalent, college or above), marital status (married, widowed, divorced, and never married), family PIR, BMI, smoking status, total energy intake, comorbidities including diabetes mellitus, hypertension, CHF, CHD, and stroke
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