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Table 3 Correlation coefficient between psychological tests and components of DASH diet in case and control group

From: Adherence to dietary approaches to stop hypertension (DASH) diet in relation to psychological function in recovered COVID-19 patients: a case–control study

Food groups (g/day)a

depression

anxiety

stress

Insomnia

Sleep Quality

Quality of life

case

control

case

control

case

control

case

control

case

control

case

control

r

r

r

r

r

r

r

r

r

r

r

r

Fruit

-0.193

0.109

-0.163

-0.092

-0.054

0.090

-0.113

0.042

-0.015

-0.027

0.049

0.111

Vegetable

-0.290*

-0.069

-0.138

-0.061

-0.183

-0.091

0.044

-0.025

0.004

-0.033

0.053

-0.008

Nuts and legumes

-0.224*

-0.134

-0.280*

-0.077

-0.237*

-0.006

-0.028

-0.038

0.059

-0.091

0.101

0.053

Whole grains

-0.224*

-0.114

-0.359**

-0.025

-0.283*

-0.034

-0.093

-0.072

-0.057

-0.075

0.093

0.042

Red and processed meat

0.181

-0.098

0.114

-0.067

0.231*

-0.106

-0.026

0.015

-0.070

0.023

-0.122

-0.073

Low fat dairy product

-0.135

0.008

-0.160

-0.114

-0.134

-0.062

0.025

0.023

0.017

-0.026

0.015

-0.073

Sweetened beverage

0.091

-0.037

-0.061

0.022

0.055

-0.028

0.012

0.085

-0.010

0.148

0.005

0.066

Sodium

-0.164

-0.121

-0.171

0.036

0.213

-0.011

-0.162

-0.031

0.048

0.066

0.177

0.004

  1. *p < 0.05
  2. **p < 0.01
  3. aThe parameters are adjusted based on the energy intakes