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. 2017 Aug 31;7:10158. doi: 10.1038/s41598-017-10002-z

Table 5.

Participant characteristics.

Morning (n = 33) Afternoon (n = 34) Test (t or χ 2) p
Mean SD Mean SD
Age 20.64 1.52 20.56 1.37 t(65) = 0.22 0.83
Sex (M/F) 22/11 22/12 χ2(1) = 0.03 0.87
EPQR (Neuroticism) 4.67 2.77 5.32 2.86 t(65) = −0.88 0.38
STAI-S 36.13 6.49 37.59 7.66 t(64) = –0.83 0.41
STAI-T 40.18 9.85 43.50 9.37 t(65) = –1.41 0.16
WMS-R (Delayed Recall Index) 108.21 13.14 106.15 13.01 t(65) = 0.64 0.53

EPQR, Eysenck Personality Questionnaire-Revised; F, female; M, male; WMS-R, Wechsler Memory Scale-Revised; STAI-S, State-Trait Anxiety Inventory-State; STAI-T, State-Trait Anxiety Inventory-Trait. For EPQR and WMS-R, the statistical tests were conducted for log transformed data.