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Table 1 Descriptive statistics for SWEMWBS 7 items (N = 8,090)

From: Item response theory-based psychometric analysis of the Short Warwick-Edinburgh Mental Well-Being Scale (SWEMWBS) among adolescents in the UK

 

M

SD

Skewness

Kurtosis

rit

I’ve been

 Item 1: feeling optimistic about the future.

3.37

1.00

–⁠3.35

–⁠0.26

.50

 Item 2: feeling useful.

3.35

0.94

–⁠0.40

–⁠0.05

.62

 Item 3: feeling relaxed.

3.38

0.96

–⁠0.27

–⁠0.40

.62

 Item 4: dealing with problems well.

3.47

0.92

–⁠0.43

–⁠0.06

.71

 Item 5: thinking clearly.

3.55

0.92

–⁠0.44

–⁠0.10

.71

 Item 6: feeling close to other people.

3.66

0.98

–⁠0.50

–⁠0.18

.60

 Item 7: able to make up my own mind about things.

3.91

0.89

–⁠0.69

0.33

.62

  1. M mean, SD standard deviation, rit corrected-item total correlation