Table 2

Factor analysis and reliability coefficient

PSSa)

(n = 222)

PSS-Jb)

(n = 1320)


Factor

Factor


Item

Statement

Attitude

I

II

I

II


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


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

Mimura and Griffiths BMC Psychiatry 2008 8:85   doi:10.1186/1471-244X-8-85

Open Data