Table 3 Multilevel model estimates of predictors over time

Intercept

17.07

 < .001*

.99 (.98–.99)

2.81

.001*

.56 (.23–.71)

18.72

 < .001*

.52 (.19–.69)

53.53

 < .001*

.84 (.71–.91)

Time

.01

 < .001*

.81 (.66–.90)

− .002

.002*

.45 (.15–.67)

− .02

.002*

.42 (.13–.66)

− .02

 < .001

.50 (.21–.71)

Age

− .55

 < .001*

.79 (.63–.89)

− .05

.73

.06 (− .26 to .37)

− .59

.53

.13 (− .20 to .43)

.87

.34

.13 (− .20 to .43)

Length of Illness

.01

.03*

.54 (.19–.69)

− .002

.99

.02 (− .30 to .33)

− .05

.19

.15 (− .18 to .45)

− .07

.08

.23 (− .10 to .51)

YA-TBT-S Week 1

1.03

.15

.36 (.05–.61)

.01

.99

.01 (− .31 to .33)

8.03

.23

.15(− .18 to .45)

2.79

.65

.06 (− .26 to .37)

YA-TBT-S Week 2

.87

.11

.40 (.09–.64)

.56

.59

.09 (− .24 to .24)

12.88

.05

.34 (.02–.60)

8.44

.20

.22 (− .11 to .50)

YA-TBT-S Week 3

.03

.95

.02 (− .30 to .34)

.13

.90

.02 (− .30 to .33)

9.27

.14

.27 (− .05 to .54)

6.21

.31

.18 (− .15 to .47)

YA-TBT-S Week 4

− 1.01

.08

.44 (.33–.07)

− .76

.48

.13 (− .20 to .43)

− .61

.92

.04 (− .28 to .36)

− 4.55

.47

.15 (− .18 to .45)

YA_TBT-S Week 5

− 1.51

.11

.60 (.35–.77)

.82

.43

.02 (− .30 to .33)

7.91

.21

.19 (− .14 to .48)

4.34

.48

.11 (− .22 to .42)

YA-TBT-S Week 6

–

–

–

–

–

–

–

–

–

–

–

–