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. 2020 Oct 19;16:2389–2396. doi: 10.2147/NDT.S268582

Table 2.

Descriptive Statistics of the Perceived Stress Scale-10 (PSS-10) in Saudi University Students

Perceived Stress Scale Items Mean ± SD Skewness Kurtosis Percentage Distribution of Item Scores
Statistic (SE) z Statistic (SE) z 0 1 2 3 4
pss 1 1.45 ± 1.18 0.49 (0.18) 2.78 −.61 (0.35) −1.74 22.9 33.3 23.4 14.1 6.3
pss_2 1.29 ± 1.11 0.73 (0.18) 3.16 −.01 (0.35) −.02 26.6 36.5 23.4 7.8 5.2
pss_3 1.67 ± 1.09 0.31 (0.18) 1.75 −.35 (0.35) −.98 14.1 29.7 35.4 12.5 6.3
pss_4 2.14 ± 1.23 0.03 (0.18) 0.20 −1.00 (0.35) −2.86 8.9 25.5 27.1 21.4 17.2
pss_5 1.32 ± 1.11 0.58 (0.18) 3.29 −.28 (0.35) −.80 25.5 32.8 26.0 9.4 4.7
pss_6 1.29 ± 1.23 0.76 (0.18) 3.20 −.26 (0.35) −.75 31.8 30.7 18.8 10.9 6.8
pss_7 2.34 ± 1.26 −.24 (0.18) −1.37 −.98 (0.35) −2.79 7.3 19.3 24.3 25.9 22.8
pss_8 2.03 ± 1.34 −.07 (0.18) −.40 −1.19 (0.35) −3.27 15.6 20.8 19.8 24.0 16.7
pss_9 1.49 ± 1.20 0.43 (0.18) 2.44 −.74 (0.35) −2.12 25.5 28.6 24.5 14.6 6.3
pss_10 1.26 ± 1.20 0.63 (0.18) 3.27 −.54 (0.35) −1.55 32.8 28.6 21.1 12.1 4.7
pss_total 16.28 ± 5.93 0.15 (0.18) 0.84 0.51 (0.35) 1.45

Abbreviations: SD, standard deviation, SE, standard error.