Table 2 Multiple linear regression models using the SF-12 and EDQOL as predictors of change in functional impairment (predictive validity)

Without Axis I Comorbidity as a covariate

DOR change: baseline to post-treatment

SF-12 MCS

−0.23

0.11

−0.31

−2.10

0.04

R ² _adj = 0.07

DOR change: baseline to 6-month follow-up

EDQOL Work/School

5.20

2.07

0.40

2.51

0.02

EDQOL Financial

−4.18

2.12

−0.31

−1.97

0.06

R ² _adj = 0.14

DOR change: baseline to 12-month follow-up

EDQOL Work/School

2.71

1.49

0.29

1.82

0.08

R ² _adj = 0.06

WSAS change: baseline to post-treatment

SF-12 MCS

−0.43

0.10

−0.55

−4.34

<0.001

R ² _adj = 0.28

WSAS change: baseline to 6-month follow-up

SF-12 MCS

−0.38

0.10

−0.51

−3.61

0.001

R ² _adj = 0.24

WSAS change: baseline to 12-month follow-up

SF-12 MCS

−0.33

0.11

−0.44

−3.00

0.01

R ² _adj = 0.17

With Axis I Comorbidity as a Covariate

DOR change: baseline to post-treatment

Axis I Comorbidities

6.97

2.62

0.40

2.67

0.01

EDQOL Financial

−4.29

2.06

−0.31

−2.08

0.04

R ² _adj = 0.14

DOR change: baseline to 6-month follow-up

EDQOL Work/School

4.91

2.33

0.35

2.11

0.04

EDQOL Financial

−4.36

2.16

−0.34

−2.02

0.05

R ² _adj = 0.12

DOR change: baseline to 12-month follow-up

-

-

-

-

-

-

R ² _adj = 0.00

WSAS change: baseline to post-treatment

SF-12 MCS

−0.41

0.10

−0.52

−3.96

<0.001

R ² _adj = 0.25

WSAS change: baseline to 6-month follow-up

SF-12 MCS

−0.36

0.11

−0.48

−3.23

0.00

R ² _adj = 0.21

WSAS change: baseline to 12-month follow-up

SF-12 MCS

−0.34

0.12

−0.43

−2.85

0.01

R ² _adj = 0.16