Table 2 |
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|
Factor analysis and reliability coefficient |
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|
PSSa) (n = 222) |
PSS-Jb) (n = 1320) |
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|
|
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|
Factor |
Factor |
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|
|
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|
Item |
Statement |
Attitude |
I |
II |
I |
II |
|
|
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|
1 |
In the last month, how often have you been upset because of something that happened unexpectedly? |
- |
0.58 |
0.17 |
-0.04 |
0.63 |
|
2 |
In the last month, how often have you felt that you were unable to control the important things in your life? |
- |
0.77 |
0.27 |
0.11 |
0.67 |
|
3 |
In the last month, how often have you felt nervous and/or stressed? |
- |
0.78 |
0.08 |
0.03 |
0.73 |
|
4 |
In the last month, how often have you dealt successfully with irritating life hassles? |
+ |
-0.03 |
0.80 |
0.64 |
-0.25 |
|
5 |
In the last month, how often have you felt that you were effectively coping with important changes that were occurring in your life? |
+ |
0.21 |
0.73 |
0.72 |
-0.04 |
|
6 |
In the last month, how often have you felt confident about your ability to handle your personal problems? |
+ |
0.47 |
0.65 |
0.73 |
0.01 |
|
7 |
In the last month, how often have you felt that things were going your way? |
+ |
0.56 |
0.43 |
0.65 |
0.16 |
|
8 |
In the last month, how often have you found that you could not cope with all the things that you had to do? |
- |
0.74 |
0.23 |
0.01 |
0.40 |
|
9 |
In the last month, how often have you been able to control irritations in your life? |
+ |
0.41 |
0.63 |
0.60 |
0.04 |
|
10 |
In the last month, how often have you felt that you were on top of things? |
+ |
0.67 |
0.42 |
0.75 |
0.15 |
|
11 |
In the last month, how often have you been angered because of things that happened that were outside of your control? |
- |
0.71 |
0.19 |
0.08 |
0.61 |
|
12 |
In the last month, how often have you found yourself thinking about things that you have to accomplish? |
- |
0.44 |
-0.31 |
-0.06 |
0.60 |
|
13 |
In the last month, how often have you been able to control the way you spend your time? |
+ |
0.52 |
0.14 |
0.40 |
0.29 |
|
14 |
In the last month, how often have you felt difficulties were piling up so high that you could not overcome them? |
- |
0.78 |
0.17 |
0.14 |
0.71 |
|
% of Variance |
42.7 |
11.0 |
23.8 |
18.8 |
||
|
Cronbach's alpha coefficient |
0.88 |
0.77 |
0.76 |
0.75 |
||
|
0.89 |
0.74 |
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|
|
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|
Note: Extraction method – principal component analysis Rotation method – Varimax with Kaiser normalisation a): The original Perceived Stress Scale, administered to native English speakers b): Translated Japanese version of the Perceived Stress Scale, administered to native Japanese speakers |
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|
Mimura and Griffiths BMC Psychiatry 2008 8:85 doi:10.1186/1471-244X-8-85 |
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