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

Table 6

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

Item	Factor
	1	2	3	4	5	6	7	8
Feeling of foreign body in the throat	0.688	0.183	−0.285	−0.032	0.160	0.024	0.098	−0.085
Cough	0.686	−0.064	−0.081	−0.087	−0.210	−0.049	−0.052	0.338
Sputum	0.640	0.043	−0.171	−0.415	−0.180	0.110	0.071	0.227
Shortness of breath	0.639	0.141	0.104	0.449	0.004	−0.132	0.055	0.131
Feeling heavy in the chest	0.628	0.000	0.189	0.089	0.201	0.057	0.074	−0.288
Sickness	0.221	0.796	0.063	0.094	−0.045	−0.046	−0.192	−0.103
Indigestion	0.028	0.774	−0.081	−0.094	0.081	0.114	0.315	−0.127
Feeling of abdominal fullness	0.062	0.676	−0.248	−0.078	0.238	−0.017	0.411	−0.091
Poor appetite	−0.109	0.634	0.306	−0.211	−0.016	0.152	−0.127	0.171
Feeling heavy in the limbs	−0.167	−0.058	0.835	0.118	−0.055	0.131	0.113	−0.067
Fatigue	0.000	0.128	0.738	0.042	0.200	0.125	−0.075	−0.016
Palpitation	−0.092	−0.003	0.227	0.727	0.024	0.062	−0.114	0.180
Startled by faint noise	0.118	−0.221	−0.052	0.712	0.186	0.225	−0.077	−0.202
Tinnitus	0.013	−0.059	−0.040	0.547	−0.116	0.542	0.193	0.032
Yellowish face	−0.036	0.203	−0.154	−0.042	0.747	0.038	−0.086	0.012
Joint pain	−0.006	−0.060	0.366	0.083	0.698	−0.016	−0.124	0.156
Flank pain	0.144	−0.119	0.444	0.156	0.567	−0.062	−0.105	0.130
Dark circles under the eyes	−0.315	0.106	0.318	0.250	0.345	0.048	0.266	0.217
Unclearness in the head	0.033	0.011	0.164	0.015	0.046	0.850	−0.132	−0.051
Dizziness	−0.231	0.101	0.132	0.355	−0.133	0.625	0.055	0.120
Headache	0.227	0.323	0.252	0.119	0.236	0.484	−0.142	0.366
Lumps	0.252	0.113	−0.184	−0.329	0.330	0.434	0.313	−0.135
Mucousy stool	0.164	−0.097	−0.026	−0.071	−0.187	0.052	0.794	0.008
Rumbling sound in the abdomen	−0.069	0.358	0.099	0.000	−0.087	−.180	0.696	0.286
Itching	0.101	−0.168	−0.040	0.059	0.244	0.053	0.187	0.791
Variance explained (%)	10.421	10.337	8.951	8.654	8.285	8.147	7.259	5.524

Symptoms with factor loading ≥0.4 are marked bold.