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Table 4 Correlations between PHQ-9 depression scores, quality of life domain scores and depression

From: The validity and reliability of the Patient Health Questionnaire-9 for screening depression in primary health care patients in Botswana

Pearson’s Correlations

1

2

3

4

5

6

1. PHQ-9 Depression Scores

1

     

2. Physical Quality of Life

−0.330a

1

    

3. Psychological Quality of Life

−0.468a

0.348a

1

   

4. Social Quality of Life

−0.411a

0.377a

0.414a

1

  

5. Environmental Quality of Life

−0.499a

0.403a

0.483a

0.529a

1

 

6. Major Depression Episodeb

0.525a

−0.244a

−0.346a

−0.299a

−0.389a

1

  1. a Correlation is significant at the 0.01 level (2-tailed), b Spearman’s rho Correlation