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. 2023 Apr 14;18:607–617. doi: 10.2147/CIA.S393732

Table 3.

Correlations of Self-Report Measures with Codes

SF-36 General Health CFQ CDSE CESD Chalder PSS Sleep Disturbance Sleep Impairment Cognition Fatigue PSQI
Cognition −0.53* 0.52* −0.42 0.03 0.38 0.20 0.43 0.37 −0.39 0.36 0.62**
COVID Is Real 0.15 −0.03 −0.02 0.05 0.05 −0.34 −0.29 −0.17 −0.28 0.08 0.07
Death −0.23 0.22 −0.32 0.07 0.21 −0.03 0.28 0.28 0.01 0.26 0.01
Disruption in Medical Care 0.06 0.20 −0.20 −0.10 0.26 −0.13 −0.07 0.06 −0.15 0.14 −0.12
Emotional Upset −0.43 0.56* −0.07 0.41 0.35 −0.15 0.41 0.17 −0.40 0.48* 0.62**
Experience of Self −0.13 0.20 −0.07 0.46* 0.47* −0.38 0.31 0.34 −0.06 0.48* 0.27
Experience with Providers −0.15 0.19 −0.08 −0.16 0.28 0.21 0.06 0.14 0.02 0.32 0.17
Fatigue 0.00 0.26 −0.09 −0.39 0.35 −0.32 0.02 0.30 −0.13 0.33 0.35
Long COVID −0.20 0.34 −0.11 −0.14 0.40 0.01 0.36 0.09 −0.11 0.26 0.25
Physical Symptoms −0.11 −0.34 0.07 −0.13 0.01 0.02 0.53* −0.08 0.46* −0.22 0.07
Political Effects 0.11 −0.06 0.04 0.13 −0.17 0.02 −0.24 −0.23 −0.15 −0.20 0.24
Sleep Disturbance −0.20 0.34 −0.19 −0.01 0.51* −0.19 0.31 0.18 −0.25 0.34 0.36

Notes: Significant correlations are in bold font and marked as with * (p < 0.05) or ** (p < 0.01; correlations equal to or greater than 0.20 are italicized as they may represent relations that are important30,31