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

Table 7

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

Item	Factor
	1	2	3	4	5	6	7	8
Indigestion	0.713	−0.145	0.388	0.114	0.120	0.041	−0.110	0.048
Feeling of abdominal fullness	0.705	0.091	0.312	0.050	0.082	0.056	0.054	−0.050
Rumbling sound in the abdomen	0.669	0.359	−0.072	0.250	0.063	0.204	−0.067	−0.022
Sickness	0.607	−0.038	0.025	0.072	−0.001	−0.220	0.229	0.336
Startled by faint noise	0.047	0.866	−0.133	0.044	0.075	0.012	−0.153	0.060
Palpitation	0.077	0.834	−0.104	0.066	0.147	0.093	0.057	0.104
Tinnitus	−0.045	0.613	0.281	−0.048	0.342	0.066	0.324	−0.092
Itching	0.034	0.437	0.353	0.381	−0.164	0.315	0.022	0.158
Feeling heavy in the limbs	0.175	−0.047	0.769	0.210	−0.136	0.186	0.048	0.102
Fatigue	0.251	−0.132	0.744	0.164	0.191	0.039	−0.038	−0.022
Poor appetite	0.509	−0.042	0.548	0.087	0.152	0.057	0.256	0.078
Shortness of breath	0.039	0.210	0.548	0.118	−0.011	−0.202	0.257	0.430
Dark circles under the eyes	0.128	0.181	0.180	0.762	0.192	−0.044	−0.060	0.034
Yellowish face	0.146	−0.121	0.248	0.726	0.061	0.181	−0.031	0.198
Lumps	0.233	0.087	0.161	0.525	−0.171	0.184	0.347	−0.036
Unclearness in the head	0.299	0.047	0.089	−0.081	0.747	0.127	−0.062	−0.056
Dizziness	0.112	0.280	0.031	0.037	0.730	−0.009	0.222	0.019
Headache	−0.083	0.128	−0.020	0.315	0.678	0.155	−0.051	0.279
Mucousy stool	0.348	0.109	0.034	0.389	−0.453	0.284	0.093	−0.001
Flank pain	−0.047	0.238	0.046	0.019	0.033	0.854	0.079	0.087
Joint pain	0.132	−0.036	0.121	0.194	0.143	0.762	0.199	0.094
Feeling of foreign body in the throat	0.022	0.103	0.115	0.020	0.026	0.064	0.828	−0.010
Sputum	0.080	−0.238	−0.065	0.001	0.074	0.430	0.670	0.201
Cough	0.036	0.100	0.043	0.226	0.053	0.168	0.074	0.804
Feeling heavy in the chest	0.165	0.021	0.278	−0.438	0.136	0.192	−0.094	0.563
Variance explained (%)	10.257	10.146	9.905	9.009	8.597	8.165	6.890	6.042

Symptoms with factor loading ≥0.4 are marked bold.