Table 1

Initial Eigenvalues explained by factors

PSSa)
(n = 222)
 PSS-Jb)
(n = 1320)
Component
 Total
 % of Variance
 Cumulative %
 Total
 % of Variance
 Cumulative %
1
 5.98
 42.73
 42.73
 3.34
 23.84
 23.84
2
 1.54
 10.99
 53.72
 2.63
 18.75
 42.59
3
 0.95
 6.77
 60.49
 1.04
 7.40
 49.99
4
 0.91
 6.52
 67.01
 0.97
 6.90
 56.89
5
 0.70
 4.99
 72.00
 0.80
 5.71
 62.60
6
 0.60
 4.29
 76.29
 0.76
 5.40
 68.00
7
 0.54
 3.86
 80.15
 0.71
 5.05
 73.05
8
 0.51
 3.61
 83.76
 0.66
 4.72
 77.77
9
 0.44
 3.15
 86.91
 0.61
 4.33
 82.10
10
 0.43
 3.06
 89.97
 0.55
 3.94
 86.04
11
 0.40
 2.88
 92.85
 0.53
 3.76
 89.80
12
 0.37
 2.61
 95.46
 0.50
 3.59
 93.39
13
 0.33
 2.37
 97.83
 0.49
 3.52
 96.91
14
 0.30
 2.17
 100.00
 0.43
 3.09
 100.00

Note: Extraction method – principal component analysis

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