BASELINE

6 - WEEKS

Substance

N

ASSIST score

Mean

SD

SE

ASSIST score

Mean

SD

SE

t test

Mean

diff

Effect

size

Tob

67

Mild

1

19.11

13.78

1.43

Mild

0

6.53

9.02

0.93

9.60

12.58*

1.08

Mod

27

Mod

25

Severe

39

Severe

7

Opi

11

Mild

0

1.18

0.53

0.55

Mild

0

1.05

0.23

0.23

3.38

0.13*

0.32

Mod

5

Mod

5

Severe

6

Severe

0

Alc

62

Mild

5

1.82

0.76

0.70

Mild

0

1.23

0.48

0.49

9.05

0.59*

0.92

Mod

20

Mod

18

Severe

37

Severe

2