by adding the values within each group. Third is the present pain
intensity scale (PPI), a measure of the patient's pain at the moment the
instrument is administered.
The dependent variable for hypothesis number 6 was the total number
of symptoms checked on the Health History Questionnaire (HHQ). Table 4-
8 contains the means and standard deviations of the three groups on this
variable.
Table 4-8
Means and Standard Deviations of the Three Groups on the Total Number of
Symptoms
Group Mean SD
Bypass group 30.87 13.79
Hand surgery group 27.08 14.15
Hand rehab. group 29.00 20.16
The dependent variable for hypothesis 7 was the score on the Health
Locus of Control Scale (HLC). A score of 33.0 or above indicates
externality and 32.9 or below indicates internality. Table 4-9 contains
the HLC means for the three groups.
Table 4-9
Means and Standard Deviations of the Three Groups on the Health Locus of
Control Scale
Group Mean SD
Bypass group 33.46 8.38
Hand surgery group 34.66 12.87
Hand rehab. group 40.27 5.14