Table 2

Pattern matrix from exploratory factor analysis* of the CPSS-10 in split sample 1 (n= 491)
Factor loadings
PSS items Factor 1 Factor 2
1 … been upset because of something that happened unexpectedly? 0.64 0.07
2 … felt that you were unable to control the important things in your life? 0.58 −0.06
3 … felt nervous and ‘stressed’? 0.61 −0.05
4 … felt confident about your ability to handle your personal problems? 0.00 0.50
5 … felt that things were going your way? −0.10 0.57
6 … found that you could not cope with all the things that you had to do? 0.52 −0.07
7 … been able to control irritations in your life? 0.12 0.64
8 … felt that you were on top of things? −0.04 0.62
9 … been angered because of things that were outside of your control? 0.56 0.07
10 … felt difficulties were piling up so high that you could not overcome them? 0.73 0.02
Eigenvalue 2.92 2.00
% of variance explained 29.15 19.95
Total% of variance explained 49.10
Cronbach’s alpha coefficient of Factor 1 and 2 0.78 0.67
Cronbach’s alpha coefficient of the whole scale 0.70
Inter-factor Pearson’s correlation (2-tailed) −0.08

* Extraction method: Principal axis factoring; Rotation method: Oblimin with Kaiser normalization.

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Ng BMC Psychology 2013 1:9   doi:10.1186/2050-7283-1-9

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