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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