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. 2016 Jun 22;12:1507–1515. doi: 10.2147/NDT.S110978

Table 3.

Overview of the correlations (Pearson’s r) between symptoms of depression and sleep disturbances at the beginning and at the end of the study

BDI and PSQI Groups
1, r 2, r 3, r 4, r
1 BDI pre 0.25* −0.04 0.17
2 BDI post −0.06 0.07
3 PSQI pre −0.03
4 PSQI post

Note:

*

P<0.05.

Abbreviations: BDI, Beck Depression Inventory; PSQI, Pittsburgh Sleep Quality Index.