Validation of the Cantonese version of the Traditional Chinese Medicine (TCM) Body constitution Questionnaire in elderly people

Table 3 Mean, SD, floor and ceiling effects of TCMECQ-C (Third Version)

Item	Mean	SD	Floor effect (%)	Ceiling effect (%)
BC 1
2	2.63	0.91	10.37	2.22
3	1.82	0.92	45.93	0.74
4	1.51	0.90	70.00	0.37
14	1.71	0.82	46.30	1.11
BC 2
11	2.07	1.24	50.00	3.70
12.1	1.36	0.86	82.22	0.74
12.2	1.87	1.19	61.11	1.85
12.3	1.54	1.00	74.07	1.11
12.4	1.82	1.16	61.85	1.85
12^b	2.15	1.27	49.30	2.96
13	2.29	1.28	40.74	4.44
29	1.75	1.20	65.93	3.70
BC 3
10	1.34	0.82	81.85	0.74
21	2.63	1.13	20.74	4.44
26	2.54	1.25	29.30	6.30
31	1.85	1.01	50.00	1.11
BC 4
9	2.02	1.16	48.15	1.85
16	1.86	1.10	52.59	1.85
28	2.58	1.20	24.07	2.59
32	2.07	1.10	38.52	3.70
BC 5
23	2.04	1.16	46.30	1.85
25	1.36	0.74	76.67	0.37
27	2.23	1.18	38.89	3.70
30	2.02	1.14	47.78	2.59
BC 6
19	1.31	0.72	81.48	0.00
22	1.18	0.63	90.37	0.74
24.1	1.72	1.12	63.70	1.85
24.2	2.27	1.10	27.41	3.33
24^b	2.42	1.15	24.44	3.70
33	2.06	1.09	38.52	2.59
BC 7
5	2.12	0.97	43.70	0.00
6	1.73	0.89	32.59	0.37
7	1.63	0.86	52.59	0.00
8.1	1.82	0.96	57.04	0.00
8.2	2.12	0.97	48.52	0.00
8^b	1.86	0.96	45.93	0.00
BC 8
15	2.10	1.18	44.44	2.22
17.1	1.21	0.69	88.52	1.48
17.2	1.26	0.72	85.19	1.11
17.3	1.39	0.88	80.00	1.48
17.4	1.20	0.64	89.63	0.37
17.5	1.56	0.99	71.85	1.11
17.6	1.49	0.94	75.19	0.74
17^b	1.97	1.23	55.19	3.70
18	1.22	0.64	87.41	87.41
20	1.39	0.83	78.15	0.74
BC 9
1	3.59	0.81	0.74	10.74
2^a	3.37	0.91	10.37	2.22
4^a	4.49	0.90	70.00	0.37
5^a	4.08	0.94	43.70	0.00
13^a	3.71	1.28	40.74	4.44

BC 1: Qi-deficiency Constitution, BC 2: Yang-deficiency Constitution, BC 3: Yin-deficiency Constitution, BC 4: Phlegm-dampness Constitution, BC 5: Dampness-heat Constitution, BC 6: Stagnant Blood Constitution, BC 7: Stagnant Qi Constitution, BC 8: Inherited Special Constitution, BC 9: Balanced Constitution
No Missing data. Data are presented as %
^aItem with reverse scoring: (1) “No” reversed to “All the time”, (2) “Slightly” reversed to “Often”, (3) “Sometimes” remained “Sometimes”, (4) “Often” reversed to “Slightly”, (5) “All the time” reversed to “No”
^bItems counted with the highest score: Item 8 (count the highest score from 8.1 or 8.2), Item12 (count the highest score from 12.1, 12.2. 12.3 or 12.4), Item 17 (count the highest score from 17.1, 17.2. 17.3, 17.4, 17.5 or 17.6) and Item 24 (count the highest score from 24.1 or 24.2)

ISSN: 1749-8546