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Table 2 The transformed PHQ-9 score compared to the EDII Score and four covariates of gender, previous psychiatric diagnosis, physical exercise frequency, and spiritual exercise frequency to create a general linear model. High PHQ-9 scores and high EDII scores were significantly correlated even when accounting for gender, psychiatric diagnosis, physical exercise, and spiritual exercise

From: Pro-inflammatory diet and depressive symptoms in the healthcare setting

Source of Variation

df

Type III SS

MS

F

p

Sig.

PHQ9 Score (transformed)

Gender

2

17.71

8.86

8.09

0.0003

**

Previous Psych Diagnosis

1

64.35

64.35

58.79

<.0001

**

Physical Exercise Frequency

3

15.79

5.26

4.81

0.0026

**

Spiritual Exercise Frequency

3

29.25

9.75

8.91

<.0001

**

EDII Score

1

20.05

20.05

18.32

<.0001

**

Error

615

673.21

1.09

   

Total

625

820.36

    
  1. Key: df degrees of freedom, SS sum of squares, MS mean of squares, F F-ratio, p p-value, ** = statistically significant finding