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Table 4 Analysis of variance (ANOVA) of the effect of gender and COVID-19 infection on the scores of PHQ-9

From: Assessment of new-onset depression and anxiety associated with COVID-19

 

Sum of squares

df

Mean square

F

p

Gender

1485.2

1

1485.2

39.239

< .001

COVID-19

27.9

1

27.9

0.737

0.391

Gender x COVID-19

168.2

1

168.2

4.443

0.036

Residuals

19,038.8

503

37.9

  
  1. PHQ Patient Health Questionnaire-9, df degrees of freedom