Indicator

Pretest,

Mean ± SD

Posttest,

Mean ± SD

Change in Mean

t (22)

P-value

Pain

4.22 ± 2.19

2.48 ± 2.43

1.74

−4.8

0.0001

Memory

5.43 ± 2.52

3.19 ± 2.18

2.24

−4.95

0.0001

Craving

5.27 ± 2.1

2.64 ± 2.17

2.64

−6.54

<0.0001