Psychometrics of the chronic liver disease questionnaire for Southern Chinese patients with chronic hepatitis B virus infection

Table 4 Factor loadings of the Chinese (HK) CLDQ

Item	Factor 1 EF	Factor 2 WO	Factor 3 SS + FA	Factor 4 AS	Factor 5 AC	Factor 6 SL
Abdominal symptom (AS)
1: Abdominal bloating	0.18	0.27	0.16	0.70	0.14	0.15
5: Abdominal pain	0.20	0.06	0.13	0.81	0.08	0.14
17: Abdominal discomfort	0.17	0.23	0.17	0.82	0.20	0.08
Fatigue (FA)
2: Tiredness or fatigue	0.33	0.03	0.51	0.31	0.45	0.22
4: Feel sleepy during the day	0.28	-0.05	0.47	0.14	0.44	0.14
8: Decreased strength	0.37	0.14	0.37	0.24	0.60	0.24
11: Decreased energy	0.56	0.06	0.37	0.11	0.51	0.12
13: Drowsiness	0.49	0.09	0.47	0.15	0.36	-0.17
Systemic symptoms (SS)
3: Bodily pain	0.49	0.00	0.18	0.39	0.14	0.22
6: Shortness of breath	0.22	0.22	0.59	0.39	0.18	0.03
21: Muscle cramps	0.09	0.08	0.76	0.17	0.10	0.14
23: Dry mouth	0.24	0.42	0.48	0.16	0.08	-0.02
27: Itching	0.10	0.27	0.65	-0.01	0.02	0.28
Activity (AC)
7: Not able to eat as much as you would like	0.05	0.29	0.04	0.24	0.81	0.12
9: Trouble in lifting or carrying heavy objects	0.41	0.18	0.37	-0.05	0.35	0.17
14: Bothered by a limitation of the diet	0.11	0.43	0.09	0.10	0.67	0.12
Emotional function (EF)
10: Anxiety	0.67	0.32	0.15	0.39	0.14	0.04
12: Unhappiness	0.77	0.25	0.15	0.20	0.13	0.01
15: Irritability	0.78	0.27	0.15	0.17	0.06	0.13
16: Difficulty in sleeping at night	0.27	0.17	0.17	0.18	0.14	0.79
19: Mood swings	0.78	0.24	0.10	0.19	0.20	0.21
20: Difficulty in falling asleep at night	0.16	0.14	0.25	0.22	0.25	0.71
24: Depression	0.8	0.31	0.15	0.08	0.03	0.22
26: Problems with concentration	0.52	0.28	0.29	0.18	0.37	0.27
Worry (WO)
18: Worries about the impact of the liver disease	0.40	0.47	0.03	0.50	0.25	0.07
22: Worries that symptoms will develop into major problem	0.29	0.80	0.11	0.16	0.04	0.05
25: Worries that the condition is getting worse	0.29	0.84	0.13	0.17	0.17	0.09
28: Worries about never feeling any better	0.27	0.77	0.13	0.18	0.26	0.24
29: Availability of a liver for transplant	0.16	0.64	0.26	0.14	0.30	0.10

SL: Sleep.