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

Table 8

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

Item	Factor
	1	2	3	4	5	6	7	8	9
Indigestion	0.832	0.030	0.172	−0.015	−0.100	0.032	−0.085	−0.054	0.077
Sickness	0.784	0.014	−0.190	0.038	0.046	−0.036	0.054	0.024	0.053
Feeling of abdominal fullness	0.743	0.102	0.180	0.069	−0.051	−0.014	−0.032	0.079	0.033
Rumbling sound in the abdomen	0.598	0.172	−0.083	0.024	0.400	0.092	−0.054	−0.316	−0.223
Poor appetite	0.571	−0.165	0.436	0.082	0.048	0.022	−0.155	0.194	0.027
Palpitation	−0.073	0.850	−0.085	−0.031	−0.029	0.012	0.154	−0.235	0.148
Startled by faint noise	0.011	0.759	0.107	0.131	−0.053	0.001	0.095	0.027	0.153
Dark circles under the eyes	0.279	0.624	−0.054	0.223	0.010	−0.043	−0.173	0.298	−0.321
Dizziness	0.265	0.500	0.034	−0.030	−0.051	0.037	0.411	0.110	−0.395
Fatigue	0.025	0.124	0.877	−0.020	0.003	0.002	0.047	0.117	0.001
Feeling heavy in the limbs	0.145	−0.204	0.754	0.144	0.143	0.149	0.214	−0.203	0.054
Shortness of breath	0.309	0.396	0.495	−0.153	0.282	0.154	−0.235	−0.048	0.075
Lumps	0.076	−0.008	−0.056	0.830	0.176	0.075	0.027	0.154	−0.127
Yellowish face	−0.087	0.244	0.060	0.729	−0.106	0.068	0.054	0.056	0.354
Mucousy stool	0.380	−0.017	0.163	0.497	0.058	0.078	−0.015	−0.299	−0.135
Cough	−0.146	−0.059	0.191	−0.007	0.853	0.140	0.004	0.049	0.120
Sputum	0.132	−0.054	0.011	0.196	0.754	−0.248	−0.056	0.243	−0.165
Headache	−0.076	0.006	0.186	−0.051	−0.136	0.790	0.095	0.030	−0.168
Joint pain	0.100	−0.019	−0.052	0.198	0.073	0.706	0.032	0.074	0.155
Itching	0.065	0.107	0.357	0.366	0.293	0.401	−0.050	−0.267	0.077
Unclearness in the head	−0.165	0.013	0.178	0.136	−0.074	−0.057	0.797	0.079	0.125
Tinnitus	−0.024	0.329	−0.089	−0.129	0.055	0.341	0.635	−0.029	0.022
Flank pain	−0.048	0.033	0.160	0.102	0.020	0.386	−0.187	0.653	0.292
Feeling of foreign body in the throat	0.075	−0.058	−0.100	0.035	0.310	−0.059	0.275	0.645	0.005
Feeling heavy in the chest	0.162	0.147	0.053	0.021	−0.013	0.025	0.120	0.156	0.844
Variance explained (%)	12.367	9.733	8.846	7.417	7.358	6.854	6.218	5.962	5.783

Symptoms with factor loading ≥0.4 are marked bold.