Table 3 Item analysis: Overview of the item-level fit statistics of the DSWAL-QoL and aDSWAL-QoL

DSWAL-QoL

Item No

aDSWAL-QoL

Item No

DSWAL-QoL

Item No

aDSWAL-QoL

Item No

DSWAL-QoL Item No

aDSWAL-QoL

Item No

DSWAL-QoL Item No

aDSWAL-QoL Item No

Total scale (44)

1–7,9,11–15,17, 19,22–44

1–7,10,11,13,14, 17–41,43

5: FR = 6.1^a

6: FR = 6.2^a

7: FR = 4.1^a

32: FR = −2.3^a

34: FR = −2.0^a

40: FR = 3.4^a

41: FR = 2.6

2: FR = −2.8^a

5: FR = 2.7^a

6: FR = 5.9^a

25: FR = 3.2

29: FR = 5.4^a

32: FR = −2.7^a

40: FR = 3.5^a

41: FR = 3.2

5^b

1,2,6,9,32,43^b

General burden (2)

1,2

Eating duration (2)

3,4

3

3^b

Eating desire (3)

5,6,7

5,6,7

Symptoms (14)

9,11–19,20

9,11–15,17,19,20

8/9

9/10,

19/20

Food selection (2)

22,23

22,23

Communication (2)

24

Fear of eating (4)

26,27,28,29

26,27,28,29

29: FR = 3.2^a

26^b

26^b

26/28

Mental health (5)

30

30,33,34

31^c

Social functioning (5)

35,36,37,38,39

35,36,37,38,39

Sleep (2)

40,41

40

Fatigue (3)

42,43,44