. 2020 Jun 12;20:295. doi: 10.1186/s12888-020-02719-5

Table 4.

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

Pearson’s Correlations	1	2	3	4	5	6
1. PHQ-9 Depression Scores	1
2. Physical Quality of Life	−0.330^a	1
3. Psychological Quality of Life	−0.468^a	0.348^a	1
4. Social Quality of Life	−0.411^a	0.377^a	0.414^a	1
5. Environmental Quality of Life	−0.499^a	0.403^a	0.483^a	0.529^a	1
6. Major Depression Episode^b	0.525^a	−0.244^a	−0.346^a	−0.299^a	−0.389^a	1

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