Multivariate Analysis as a Method for Evaluating the Conceptual Perceptions of Korean Medicine Students regarding Phlegm Pattern

Table 5

Factor loadings for the items of the phlegm pattern questionnaire responded by the second-year students.

Item	Factor
	1	2	3	4	5	6	7
Unclearness in the head	0.815	0.026	0.039	0.036	0.159	−0.013	0.136
Headache	0.711	−0.065	−0.027	0.006	0.097	0.394	0.248
Lumps	0.705	0.289	−0.087	0.283	0.008	0.098	−0.335
Joint pain	0.703	−0.115	−0.101	0.357	0.222	0.067	0.071
Flank pain	0.641	0.357	0.268	0.060	−0.144	−0.106	−0.287
Feeling heavy in the chest	0.563	0.184	0.536	0.034	0.257	−0.331	−0.082
Feeling of abdominal fullness	0.400	0.808	0.019	0.069	−0.038	0.013	0.123
Indigestion	−0.022	0.710	0.373	−0.129	−0.025	−0.046	0.240
Rumbling sound in the abdomen	0.023	0.617	−0.190	0.535	0.000	0.129	0.013
Sickness	−0.159	0.584	0.172	−0.082	0.385	0.500	0.162
Poor appetite	−0.228	0.460	0.424	−0.131	0.217	0.249	0.398
Startled by faint noise	0.081	0.107	0.855	0.138	0.063	0.276	−0.006
Palpitation	0.034	0.035	0.721	0.276	−0.183	0.310	0.034
Itching	−0.003	−0.110	0.191	0.808	−0.021	−0.104	0.085
Dark circles under the eyes	0.238	0.090	−0.013	0.740	−0.154	0.199	−0.139
Yellowish face	0.425	−0.115	0.240	0.499	0.067	0.144	0.323
Mucousy stool	0.297	0.156	0.168	0.488	0.157	0.269	0.186
Sputum	0.212	0.060	−0.012	0.036	0.878	−0.090	−0.002
Cough	0.004	−0.328	0.047	−0.007	0.820	−0.086	0.228
Feeling of foreign body in the throat	0.154	0.241	0.005	−0.081	0.704	0.189	0.085
Tinnitus	0.026	0.056	0.275	0.092	−0.034	0.819	0.277
Dizziness	0.156	0.052	0.168	0.150	−0.007	0.810	−0.076
Feeling heavy in the limbs	−0.011	0.118	0.004	0.015	0.113	0.135	0.809
Fatigue	0.230	0.176	−0.049	0.240	0.037	−0.023	0.733
Shortness of breath	−0.144	0.091	0.461	−0.174	0.201	0.101	0.535
Variance explained (%)	14.513	10.606	9.835	9.819	9.819	9.375	9.315

Symptoms with factor loading ≥0.4 are marked bold.