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Table 3 Final analysis test statistic of the eight items of PMH-Scale (items/ ‘superitems’ ordered by location)

From: Psychometric evaluation of the Positive Mental Health (PMH) scale using item response theory

Items/ Super items

PHM-Scale items

Loc

SE

Res

χ2 (df)

p

i5

5) I manage well to fulfill my needs.

-0.79

0.10

-0.96

12.22 (5)

0.032

s3_4

3) All in all, I am satisfied with my life.

4) In general, I am confident.

-0.23

0.07

-0.69

2.23 (5)

0.817

s1_2

1) I am often carefree and in good spirits.

2) I enjoy my life.

0.07

0.07

1.10

1.41 (5)

0.922

i8

8) Much of what I do brings me joy.

0.23

0.10

0.16

11.07 (5)

0.050

s6_7

6) I am in good physical and emotional condition.

7) I feel that I am actually well equipped to deal with life and its difficulties.

0.73

0.06

1.53

3.41 (5)

0.637

  1. Loc (Location) difficulty, SE Standard error, Res (Residual) item fit, χ2 Chi−square, df degrees of freedom, Bonferroni adjusted significance level: 0.01000