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Table 2 Descriptive statistics of the Leeds Sleep Evaluation Questionnaire (LSEQ) in Ethiopian university students

From: Validation of the adapted Leeds sleep evaluation questionnaire in Ethiopian university students

Leeds Sleep Evaluation Questionnaire (LSEQ) items

Mean ± SD

Skewness

Kurtosis

Skewness±SE

z

Kurtosis±SE

z

Getting to sleep item 1

6.10 ± 3.21

−0.38 ± 0.12

−3.08

−0.93 ± 0.24

−3.82

Getting to sleep item 2

5.75 ± 3.21

−0.28 ± 0.12

−2.30

−0.91 ± 0.24

−3.76

Getting to sleep item 3

5.86 ± 3.31

−0.28 ± 0.12

−2.25

−1.07 ± 0.24

−4.40

Quality of sleep item 1

5.88 ± 3.18

−0.17 ± 0.12

−1.35

−1.07 ± 0.24

−4.39

Quality of sleep item 2

5.89 ± 3.30

−0.31 ± 0.12

−2.51

−1.01 ± 0.24

− 4.17

Awake following sleep item 1

5.78 ± 3.21

−0.24 ± 0.12

−1.96

−0.99 ± 0.24

−4.07

Awake following sleep item 2

5.76 ± 3.16

−0.25 ± 0.12

−2.07

−0.95 ± 0.24

−3.91

Behaviour following wakening item 1

5.70 ± 3.35

−0.18 ± 0.12

−1.49

− 1.14 ± 0.24

−4.70

Behaviour following wakening item 2

5.86 ± 3.43

−0.32 ± 0.12

−2.61

−1.14 ± 0.24

−4.67

Behaviour following wakening item 3

6.12 ± 3.32

−0.35 ± 0.12

−2.86

−1.02 ± 0.24

−4.18

  1. SD Standard deviation, SE Standard Error