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. 2022 Aug 8;12:321. doi: 10.1038/s41398-022-02085-8

Table 2.

Psychometric variable correlations.

Variables PCL-5 (prior) PCL-5 (2 weeks) PCL-5 (6 months) PROMIS depression (prior) PROMIS depression (2 weeks) PROMIS depression (6 months) LEC-5 (total score) Nightmare frequency Nightmare intensity
1. PCL-5 (2 weeks) 0.524** (177)
2. PCL-5 (6 months) 0.492** (145) 0.507** (185)
3. PROMIS Depression (prior) 0.532** (200) 0.360** (243) 0.303** (198)
4. PROMIS Depression (2 weeks) 0.446** (186) 0.757** (244) 0.429** (191) 0.524** (254)
5. PROMIS Depression (6 months) 0.387** (144) 0.410** (184) 0.804** (193) 0.428** (196) 0.504** (190)
6. LEC-5 (total score) 0.066 (158) 0.193** (203) 0.115 (177) 0.138* (219) 0.119 (213) 0.087 (174)
7. Nightmare Frequency 0.325** (185) 0.487** (243) 0.330** (190) 0.191** (252) 0.383** (253) 0.220** (189) −0.046 (212)
8. Nightmare intensity 0.293** (185) 0.490** (243) 0.373** (190) 0.178** (252) 0.365** (253) 0.253** (189) 0.01 (212) 0.729** (253)
9. Nightmare severity 0.333** (185) 0.525** (243) 0.375** (190) 0.198** (252) 0.402** (253) 0.252** (189) −0.019 (212) 0.926** (253) 0.933** (253)

*p < 0.05, **p < 0.01, PCL-5 = PTSD Checklist for DSM-5; PROMIS = Patient-Reported Outcomes Measurement Information System. Data presented as r-value (n).