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Table 3 Rasch Analysis of the Items of the Final, Reduced Stoma-QOL: Item Statistics by Measure (or Item Calibration) Order.

From: Development and validation of a quality of life questionnaire for patients with colostomy or ileostomy

Item no.

Item text

Calibration

SE

Infit MNSQ

i4

I become anxious when the pouch is full

1.33

0.10

0.78

i34

I worry that the pouch will loosen

1.16

0.10

1.13

i3

I feel the need to know where the nearest toilet is

1.02

0.10

1.16

i27

I worry that the pouch may smell

0.92

0.10

1.05

i33

I worry about noises from the stoma

0.72

0.09

0.88

i19

I need to rest during the day

0.42

0.09

0.93

i35

My stoma pouch limits the choice of clothes that I can wear

0.35

0.10

1.07

i5

I feel tired during the day

0.27

0.09

0.80

i29

My stoma makes me feel sexually unattractive

0.23

0.11

1.22

i17

I sleep badly during the night

0.08

0.10

1.16

i26

I worry that the pouch rustles

-0.03

0.10

1.19

i24

I feel embarrassed about my body because of my stoma

-0.10

0.10

0.93

i25

It would be difficult for me to stay away from home overnight

-0.13

0.10

1.14

i13

It is difficult to hide the fact that I wear a pouch

-0.22

0.10

0.92

i21

I worry that my condition is a burden to people close to me

-0.41

0.11

1.18

i22

I avoid close physical contact with my friends

-0.56

0.11

0.98

i16

My stoma makes it difficult for me to be with other people

-0.97

0.12

0.76

i8

I am afraid of meeting new people

-1.12

0.12

0.93

i18

I feel lonely even when I am with other people

-1.35

0.13

0.73

i23

I worry that my family feel awkward around me

-1.60

0.16

1.29