Table 2.

Item properties of the MacNew questionnaire (N = 5692)

Item		Missing values(%)	Mean	SD	Floor effect(%)	Ceiling effect(%)	Corrected Item-Total Correlation	Scale
1.	Frustrated	2.2	4.27	1.74	6.5	13.0	0.73	E
2.	Worthless	2.5	5.01	1.81	4.0	29.6	0.75	E
3.	Confident	3.2	4.22	1.74	6.5	11.1	0.60	E
4.	Down in the dumps	1.9	4.71	1.72	3.6	20.2	0.84	E
5.	Relaxed	2.5	3.61	1.79	11.2	5.9	0.65	E
6.	Worn out	2.0	3.55	1.63	10.6	4.8	0.69/0.62	E/P
7.	Happy with personal life	2.5	3.84	1.31	5.6	3.6	0.66	E
8.	Restless	3.0	4.63	1.63	2.8	15.6	0.74	E
9.	Short of breath	2.6	4.59	1.72	3.8	17.7	0.56	P
10.	Tearful	2.1	5.26	1.63	1.6	34.0	0.68	E
11.	More dependent	3.4	4.78	1.79	4.7	23.0	0.61	S
12.	Social activities	3.7	3.93	2.06	17.5	14.5	0.67	S
13.	Others/less confidence in you	4.1	5.88	1.42	1.1	48.0	0.51	E
14.	Chest pain	3.1	4.63	1.80	5.7	20.3	0.52	P
15.	Lack self-confidence	3.4	5.08	1.60	1.7	25.6	0.74	E
16.	Aching legs	2.5	4.20	1.84	7.6	15.6	0.54	P
17.	Sports/exercise limited	9.5	3.44	2.09	25.6	10.5	0.70	S
18.	Frightened	3.0	4.61	1.74	4.3	18.7	0.75	E
19.	Dizzy/lightheaded	2.9	4.94	1.65	2.6	24.7	0.55	P
20.	Restricted or limited	4.3	3.83	1.95	14.4	10.3	0.77	S
21.	Unsure about exercise	6.3	3.92	1.87	12.4	11.3	0.62	S
22.	Overprotective family	4.5	3.43	2.08	23.7	13.1	0.41	S
23.	Burden on others	3.8	5.71	1.59	2.1	46.6	0.49	S
24.	Excluded	3.8	4.82	2.04	9.1	30.6	0.70	S
25.	Unable to socialize	3.5	5.49	1.77	3.4	43.2	0.65	S
26.	Physically restricted	4.1	3.80	1.98	15.3	10.8	0.76	S
27.	Sexual intercourse	26.2	3.91	2.45	29.3	26.7	0.45	S

Range for all items 1–7. SD = standard deviation, E = emotional scale, S = social Scale, P = physical scale.