Skip to main content
. 2020 Jun 1;77:348–354. doi: 10.1016/j.sleep.2020.05.018

Table 3.

Statistical analysis of PHQ-9, GAD-7, ASDS and ISI in groups.

Variables G1(N = 837) G2(N = 57) G3(N = 660) G4(N = 4087) Total H Difference between groups
G1-G2 G1-G3 G1-G4 G2-G3 G2-G4 G3-G4
PHQ-9 6.52 ± 6.14 8.74 ± 7.04 6.49 ± 6.02 5.92 ± 5.90 6.10 ± 5.97 20.520∗∗ −2.352 −0.147 2.637 2.277 3.165∗∗ 2.568
GAD-7 5.49 ± 5.37 7.51 ± 6.89 5.44 ± 5.39 4.75 ± 5.15 4.97 ± 5.25 31.126∗∗ −1.798 0.147 3.981∗∗ 1.839 2.978∗ 3.418∗∗
ASDS-Disassociation 6.96 ± 3.16 8.33 ± 4.11 6.89 ± 2.92 6.73 ± 2.86 6.80 ± 2.93 14.481∗∗ −2.886∗ −0.542 1.250 2.657∗ 3.317∗∗ 1.803
ASDS-Reexperiencing 5.79 ± 2.51 6.54 ± 3.37 5.80 ± 2.46 5.42 ± 2.23 5.53 ± 2.33 48.556∗∗ −1.628 −0.496 4.815∗∗ 1.428 3.041∗ 4.970∗∗
ASDS-Avoidance 5.75 ± 3.10 7.42 ± 4.31 5.84 ± 2.93 5.51 ± 2.81 5.61 ± 2.90 25.270∗∗ −3.177∗∗ −1.465 1.695 2.598 3.742∗∗ 3.350∗∗
ASDS-Arousal 10.79 ± 4.73 12.16 ± 5.47 10.51 ± 4.59 9.73 ± 4.09 10.00 ± 4.29 59.897∗∗ −1.949 1.100 4.202∗∗ 2.348 3.752∗∗ 6.156∗∗
ASDS 29.29 ± 11.83 34.46 ± 14.75 29.05 ± 11.12 27.39 ± 10.38 27.94 ± 10.79 50.386∗∗ −2.893∗ −0.024 4.681∗∗ 2.860∗ 4.301∗∗ 4.264∗∗

G1 = Group 1, G2 = Group 2, G3 = Group 3, G4 = Group 4. H, adjusted p-values (Kruskal–Wallis H Analysis) and mean ± SE for Patient Health Questionnaire (PHQ-9), Generalized Anxiety Disorder Scale (GAD-7), Acute Stress Disorder Scale (ASDS) factor scores across groups; p < 0.05 is indicated by ∗, p < 0.01 is indicated by ∗∗.