Table 1.

Item location, fit, standard error and DIF by gender and curative

Entry	Item location	Infit msq	SE	Items	DIF: gender	DIF: curative
1	−0.11	0.93	0.01	Anger or frustration
2	−0.1	1.03	0.01	Breathing difficulties		×
3	0.01	1.17	0.01	Caring responsibilities
4	0.14	1.3	0.01	Changes in weight
5	−0.04	1.2	0.01	Children
6	−0.06	1	0.01	Constipation		×
7	0.3	1.26	0.02	Contact/communication…NHS staff
8	0.1	1.08	0.01	Diarrhoea
9	−0.08	0.96	0.01	Difficulty making plans
10	−0.07	1.04	0.01	Dry, itchy or sore skin
11	−0.14	0.94	0.01	Eating or appetite		×
12	−0.16	1.05	0.01	Getting around (walking)		×
13	0.06	1.06	0.01	Guilt
14	0.28	1.26	0.02	High temperature or fever
15	0.06	1.07	0.01	Hopelessness
16	−0.12	1.04	0.01	Hot flushes/sweating	×	×
17	−0.02	0.94	0.01	Housework or shopping
18	0.08	1	0.01	Indigestion
19	0.09	1.16	0.01	Insurance and travel
20	0.06	1.07	0.01	Loneliness or isolation
21	0.36	1.41	0.02	Loss of faith or…spiritual concerns
22	−0.08	0.85	0.01	Loss of interest/activities
23	0.18	1.13	0.01	Loss of meaning or purpose of life
24	−0.11	0.86	0.01	Memory or concentration
25	−0.11	1.15	0.01	Money or housing
26	−0.01	1.07	0.01	My appearance
27	0.04	1.04	0.01	Nausea or vomiting		×
28	0.13	1.13	0.01	Not being at peace … the past
29	0.01	1.16	0.01	Other relatives/friends		×
30	−0.18	1.03	0.01	Pain		×
31	−0.08	1.14	0.01	Partner
32	0.02	1.24	0.01	Passing urine
33	0.1	0.96	0.01	Preparing meals/drinks		×
34	−0.13	0.87	0.01	Sadness or depression
35	0.13	1.28	0.01	Sexuality		×
36	−0.2	0.91	0.01	Sleep problems/nightmares		×
37	−0.1	0.99	0.01	Sore or dry mouth
38	0.21	1.14	0.01	Speech problems
39	−0.03	1.15	0.01	Swollen tummy or limb		×
40	0	0.97	0.01	Taste/sight/hearing		×
41	−0.03	1.07	0.01	Tingling in hands/feet
42	−0.32	0.74	0.01	Tired/exhausted or fatigued
43	0.01	1.21	0.01	Transport or parking
44	0.03	1	0.01	Unable to express feelings
45	0.09	1.02	0.01	Washing and dressing		×
46	−0.01	1.15	0.01	Work and education		×
47	−0.33	1	0.01	Worry, fear or anxiety	×	×
48	0.14	1.21	0.01	Wound care after surgery		×