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Table 4 Results of the mixed effects models with time, group, and duration as fixed effects

From: Evaluation of ANKOMMEN as a group intervention based on life story work for adolescents in residential care in Germany: a single-arm pilot study

Outcome

Estimates of fixed effects

Estimate (b)

SE (b)

95% CI

p

GSE

 Intercept

0.47

0.09

0.29, 0.64

<.001

 Time

− 0.02

0.07

− 0.15, 0.12

.791

 Group

− 1.34

0.14

− 1.61, − 1.07

<.001

 Time x Group

0.37

0.10

0.17, 0.57

<.001

 Duration

0.08

0.07

− 0.06, 0.21

.253

 Duration x Time

0.01

0.05

− 0.09, 0.11

.791

RSES

 Intercept

0.50

0.08

0.34, 0.65

<.001

 Time

0.004

0.05

− 0.09, 0.10

.931

 Group

− 1.63

0.12

− 1.87, − 1.38

<.001

 Time x group

0.36

0.08

0.20, 0.52

<.001

 Duration

0.10

0.06

− 0.02, 0.22

.086

 Duration x Time

0.03

0.04

− 0.04, 0.11

.374

CATS-2 Self

 Intercept

− 0.57

0.08

− 0.73, − 0.41

<.001

 Time

− 0.07

0.07

− 0.20, 0.06

.282

 Group

1.50

0.12

1.27, 1.73

<.001

 Time x group

− 0.28

0.09

− 0.47, − 0.09

.003

 Duration

− 0.15

0.06

− 0.27, − 0.03

.013

 Duration x time

0.01

0.05

− 0.08, 0.11

.819

CATS-2 care

 Intercept

− 0.23

0.08

− 0.38, − 0.08

.004

 Time

− 0.08

0.05

− 0.18, 0.02

.133

 Group

1.76

0.18

1.40, 2.12

<.001

 Time x group

− 0.25

0.11

− 0.47, − 0.03

.024

 Duration

− 0.07

0.07

− 0.21, 0.06

.285

 Duration x time

− 0.01

0.05

− 0.10, 0.08

.761

YSR total

 Intercept

− 0.70

0.11

− 0.92, − 0.47

<.001

 Time

− 0.09

0.06

− 0.21, 0.03

.123

 Group

1.39

0.15

1.10, 1.68

<.001

 Time x group

− 0.13

0.08

− 0.28, 0.03

.107

 Duration

0.04

0.07

− 0.10, 0.18

.578

 Duration x time

− 0.01

0.04

− 0.09, 0.06

.722

YSR externalizing

 Intercept

− 0.55

0.09

− 0.72, − 0.37

<.001

 Time

− 0.01

0.04

− 0.09, 0.07

.724

Group

1.49

0.14

1.22, 1.76

<.001

 Time x group

− 0.20

0.06

− 0.32, − 0.08

.001

 Duration

− 0.01

0.07

− 0.15, 0.12

.849

 Duration x time

− 0.02

0.03

− 0.08, 0.04

.441

YSR Internalizing

Intercept

− 0.62

0.11

− 0.83, − 0.41

<.001

Time

− 0.03

0.06

− 0.15, 0.09

.659

Group

1.43

0.14

1.14, 1.71

<.001

Time x group

− 0.25

0.08

− 0.41, − 0.09

.003

Duration

− 0.11

0.07

− 0.25, 0.03

.123

Duration x time

0.03

0.04

− 0.05, 0.11

.424

CBCL total

Intercept

− 0.75

0.09

− 0.94, − 0.56

<.001

Time

− 0.08

0.07

− 0.21, 0.06

.282

Group

1.46

0.12

1.22, 1.69

<.001

Time x group

− 0.16

0.09

− 0.34, 0.01

.066

Duration

0.03

0.06

− 0.09, 0.14

.651

Duration x time

− 0.01

0.04

− 0.09, 0.07

.826

CBCL externalizing

 Intercept

− 0.64

0.07

− 0.79, − 0.50

<.001

 Time

− 0.02

0.07

− 0.15, 0.12

.785

 Group

1.47

0.10

1.27, 1.68

<.001

 Time x group

− 0.15

0.10

− 0.34, 0.04

.125

 Duration

− 0.01

0.05

− 0.09, 0.11

.862

 Duration x time

− 0.04

0.05

− 0.13, 0.06

.420

CBCL Internalizing

Intercept

− 0.79

0.11

− 1.00, − 0.58

<.001

Time

0.02

0.07

− 0.11, 0.16

.744

Group

1.52

0.13

1.26, 1.78

<.001

Time x group

− 0.31

0.09

− 0.49, − 0.14

<.001

Duration

− 0.03

0.06

− 0.16, 0.09

.591

Duration x Time

− 0.02

0.04

− 0.10, 0.06

.662

PHQ-9

 Intercept

1.46

0.11

1.24, 1.68

<.001

 Time

− 0.50

0.08

− 0.67, − 0.34

<.001

 Group

1.84

0.13

1.58, 2.10

<.001

 Time x group

− 0.48

0.10

− 0.68, − 0.29

<.001

 Duration

− 0.06

0.06

− 0.17, 0.06

.357

 Duration x time

− 0.03

0.04

− 0.11, 0.06

.515

  1. GSE = General Self-Efficacy Scale; RSES = Rosenberg Self-Esteem Scale; CATS-2 Self = Child and Adolescent Trauma Screen (self-report); CATS-2 Care = Child and Adolescent Trauma Screen (caregiver report); YSR Total = Youth Self Report total score; YSR INT = Youth Self Report internalizing behavior; YSR EXT = Youth Self Report externalizing behavior; CBCL Total = Child Behavior Checklist total score; CBCL INT = Child Behavior Checklist internalizing behavior; CBCL EXT = Child Behavior Checklist externalizing behavior; PHQ-9 = Patient Health Questionnaire.