Table 2.  Mean (ąSD) of the McGill Pain Questionnaire.
 
CONTROL GROUP (n = 19)
TRAINING GROUP (n = 79)
ANCOVA RESULTS
Variables

Pretest

Posttest

%Change

Pretest

Posttest

%Change

P value

Effect Size

Pain Rating Index Total

6.44 (7.0)

6.72 (6.5)

+4.3

5.99 (7.84)

2.99 (4.6)
-50.0

.002

.76
PRI Sensory

4.72 (4.8)

4.94 (5.0)

+4.7

4.35 (6.3)

2.23 (3.6)
-48.7

.006

.69

PRI Affective

.22 (.73)

.22 (.73)

0

.25 (.65)

.10 (.34)
-60.0

.285

.27

PRI Evaluative

.89 (1.13)

.61 (.70)

-31.5

.66 (.99)

.33 (.76)
-50.0

.234

.37

PRI Miscellaneous

.78 (1.12)

.94 (1.5)

+20.5

.72 (1.43)

.24 (.8)
-66.7

.005

.72

Number of Words Chosen

3.11 (3.4)

3.00 (2.95)

-3.5

2.61 (3.3)

1.34 (1.97)
-48.7

.004

.75

Present Pain Intensity

.5 (.99)

.67 (.97)

+34.0

.38 (.65)

.39 (.74)
+2.6

.248

.35

Number of Painful Areas

2.28 (3.06)

1.83 (1.54)

-19.7

2.2 (2.93)

1.44 (2.17)
-34.5

.412

.19