320
ǰ
Characteristics
Experimental group
(SHG) n =17
Control group
(CPG) n = 19
p-value
+
N
%
N
%
Smoking status
Never smoker
Occasional smoker
14
3
82.4
17.6
18
1
94.7
5.3
0.326
Alcohol consumption
Non-alcohol drinking
Occasional drink
17
0
100
0
15
4
78.9
21.1
0.106
Table 3.2 Comparison of the differences between pre-test and post-scores for overall self-care ability between
the experimental and control groups
Overall self-care ability score
Experimental group (SHG)
(n=17)
Control group (CPG)
(n=19)
p-value
+
Mean
SD
Mean
SD
Pre-test score
103.82
9.12
106.21
7.68
0.400
Post-test score
109.65
8.98
105.58
8.90
0.182
Difference (Post-test – pre-test score)
5.82
8.44
-0.63
4.07
0.009*
p-value
++
0.012*
0.139
+
comparison between experimental group (SHG) and control group (CPG) by t-test
++
comparison between post-test and pre-test by paired t-test
*p-value <0.05
Table 3.3 Comparison of the differences of pre- and post-scores for disease severity measured by PASI scores between the
experimental and control groups
Psoriasis disease severity using PASI score
Experimental group
(n=17)
Control group
(n=19)
p-value
+
Mean
SD
Mean
SD
Pre-test score
10.92
10.75
9.14
7.13
0.557
Post-test score
5.99
5.98
7.34
10.05
0.635
Difference (Post-test score – pre-test score)
-4.93
7.67
-1.80
7.75
0.232
p-value
++
0.017*
0.325
+
comparison between experimental group (SHG) and control group (CPG) by t-test
++
comparison between post-test and pre-test by paired t-test
*p-value <0.05
Table 3.4 Comparison of the effectiveness of the self-help group on self-care ability and psoriasis disease
severity of the psoriasis patients between the experimental and the control groups
Post-test
Experimental group (SHG)
(n=17)
Control group (CPG)
(n=19)
Effectiveness
#
(%)
Overall self-care ability
109.65
105.58
3.85
PASI score
5.99
7.34
-18.39
#
Effectiveness (%) =
(pretest-posttest)x100/pretest
Plus means percent of the effectiveness of self-health group and self-care ability after was increased
Minus means percent of the effectiveness of self-health group and self-care ability after was decreased
