Table 6 Repeated Measures ANCOVA (z-standardized).

From: Mental health in individuals with severe mental disorders during the covid-19 pandemic: a longitudinal investigation

  

SS

df

MS

F

partial η2

p

GSI score

Between-subjects effects

      

 Group (SMI vs. MDD vs. controls)

3.937

2

1.969

8.655

0.029

<0.001

 Age

0.937

1

0.937

4.122

0.007

0.043

 Sex (female vs. male)

2.218

1

2.218

9.751

0.017

0.002

 Residence (Austria vs. Italy)

0.002

1

0.002

0.008

<0.001

0.930

 RS-13 T1

14.305

1

14.305

62.891

0.098

<0.001

 MSPSS T1

7.569

1

7.569

33.275

0.054

<0.001

 TILS T1

10.437

1

10.437

45.884

0.074

<0.001

 MSBS-SF T1

16.290

1

16.290

71.614

0.110

<0.001

Within-subjects effects

      

 Time

0.047

1

0.047

0.804

0.001

0.370

 Time × Group (SMI vs. MDD vs. controls)

0.091

2

0.046

0.781

0.003

0.459

 Time × Sex (female vs. male)

0.161

1

0.161

2.753

0.005

0.098

 Time × Age

0.278

1

0.278

4.769

0.008

0.029

 Time × Residence (Austria vs. Italy)

0.026

1

0.026

0.443

0.001

0.506

 Time × RS-13 T1

0.039

1

0.039

0.666

0.001

0.415

 Time × MSPSS T1

0.080

1

0.080

1.366

0.002

0.243

 Time × TILS T1

0.633

1

0.633

10.853

0.018

0.001

 Time × MSBS-SF T1

0.302

1

0.302

5.170

0.009

0.023

  

Estimated

 

95% CI

 
  

Mean

S.E.

 

LB

UB

N

 

SMI

0.47

0.053

 

0.365

0.575

42

 

MDDa,b

0.70

0.047

 

0.607

0.790

65

 

Controls

0.50

0.016

 

0.469

0.531

481

  1. SMI serious mental illness, MDD major depressive disorder without psychotic features, BSCL Brief Symptom Checklist, RS-13 Resilience Scale (short form), MSPSS Multidimensional Scale of Perceived Social Support, TILS Three-Item Loneliness Scale, MSBS-SF Multidimensional State Boredom Scale-Short Form, SS sum of squares, df degree of freedom, MS mean square, LB lower bound, UB upper bound.
  2. aSignificantly different from SMI group (p < 0.001; estimated marginal mean difference).
  3. bSignificantly different from control group (p < 0.001; estimated marginal mean difference).