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. 2020 Oct 19;16:2389–2396. doi: 10.2147/NDT.S268582

Table 3.

Convergent and Divergent Validity: Correlation of the Perceived Stress Scale-10 (PSS-10) with Related Measures in Saudi University Students

GAD-7 Total SHI Item-8 SHI Item-13
PSS total 0.37** 0.17* 0.19**
PSS Factor-1 0.52** 0.16* 0.22**
PSS Factor-2 −.17* 0.02 0.03

Notes: *p < 0.05, **p < 0.01. SHI-8 and SHI-13 are items of the SHI which assess self-reported measures of stress and worry at bedtime.

Abbreviations: GAD-7, generalized anxiety disorder-7 scale; SHI, sleep hygiene index.