Table 5: Factor loadings for the items of the phlegm pattern questionnaire responded by the second-year students.

ItemFactor
1234567

Unclearness in the head0.8150.0260.0390.0360.159−0.0130.136
Headache0.711−0.065−0.0270.0060.0970.3940.248
Lumps0.7050.289−0.0870.2830.0080.098−0.335
Joint pain0.703−0.115−0.1010.3570.2220.0670.071
Flank pain0.6410.3570.2680.060−0.144−0.106−0.287
Feeling heavy in the chest0.5630.1840.5360.0340.257−0.331−0.082
Feeling of abdominal fullness0.4000.8080.0190.069−0.0380.0130.123
Indigestion−0.0220.7100.373−0.129−0.025−0.0460.240
Rumbling sound in the abdomen0.0230.617−0.1900.5350.0000.1290.013
Sickness−0.1590.5840.172−0.0820.3850.5000.162
Poor appetite−0.2280.4600.424−0.1310.2170.2490.398
Startled by faint noise0.0810.1070.8550.1380.0630.276−0.006
Palpitation0.0340.0350.7210.276−0.1830.3100.034
Itching−0.003−0.1100.1910.808−0.021−0.1040.085
Dark circles under the eyes0.2380.090−0.0130.740−0.1540.199−0.139
Yellowish face0.425−0.1150.2400.4990.0670.1440.323
Mucousy stool0.2970.1560.1680.4880.1570.2690.186
Sputum0.2120.060−0.0120.0360.878−0.090−0.002
Cough0.004−0.3280.047−0.0070.820−0.0860.228
Feeling of foreign body in the throat0.1540.2410.005−0.0810.7040.1890.085
Tinnitus0.0260.0560.2750.092−0.0340.8190.277
Dizziness0.1560.0520.1680.150−0.0070.810−0.076
Feeling heavy in the limbs−0.0110.1180.0040.0150.1130.1350.809
Fatigue0.2300.176−0.0490.2400.037−0.0230.733
Shortness of breath−0.1440.0910.461−0.1740.2010.1010.535
Variance explained (%)14.51310.6069.8359.8199.8199.3759.315

Symptoms with factor loading ≥0.4 are marked bold.