Table 4: Factor Loadings for the items of the phlegm pattern questionnaire responded by the first-year students.

ItemFactor
123456789

Sputum0.8490.0830.043−0.1800.004−0.120−0.2550.1320.201
Cough0.847−0.0190.196−0.092−0.0650.0920.0830.1490.034
Feeling of foreign body in the throat0.7990.233−0.0530.226−0.096−0.149−0.168−0.0410.076
Shortness of breath0.6260.116−0.0730.205−0.0550.1560.512−0.125−0.104
Indigestion0.1300.8400.105−0.1480.0300.0910.0650.272−0.008
Sickness0.1500.788−0.0710.226−0.086−0.2680.035−0.1070.053
Lumps−0.0350.605−0.0310.5560.0290.064−0.1980.0370.244
Poor appetite−0.0290.5850.557−0.013−0.052−0.0090.1860.1790.064
Fatigue0.042−0.0480.8300.0170.0050.0610.1730.0880.003
Feeling heavy in the limbs0.0300.0520.7930.0500.194−0.0450.2430.247−0.151
Yellowish face0.2280.4330.5820.1370.114−0.124−0.247−0.227−0.185
Tinnitus0.0250.012−0.0660.7920.081−0.0670.2990.097−0.133
Dizziness0.017−0.0380.2430.7030.0170.4420.085−0.179−0.212
Flank pain−0.3850.2830.1830.4530.367−0.1660.1100.2150.298
Itching−0.0100.0160.072−0.1210.880−0.0550.020−0.198−0.136
Joint pain−0.183−0.1120.1040.0970.8110.190−0.119−0.0010.234
Dark circle under the eyes0.0100.013−0.0060.2210.7350.1520.2370.221−0.266
Headache−0.028−0.0080.0800.1830.0510.866−0.0390.1330.016
Unclearness in the head0.015−0.011−0.083−0.0800.1000.820−0.127−0.090−0.005
Mucousy stool0.1480.3040.2030.411−0.067−0.458−0.1080.376−0.023
Palpitation−0.0280.1180.2350.2620.084−0.1320.702−0.006−0.022
Startled by faint noise−0.235−0.0510.297−0.0250.022−0.1150.6870.2720.045
Rumbling sound in the abdomen0.0890.1020.1920.061−0.014−0.0560.0740.863−0.019
Feeling of abdominal fullness0.1060.5290.076−0.081−0.0610.2110.2110.572−0.313
Feeling heavy in the chest0.2180.067−0.143−0.142−0.1060.0150.003−0.0930.878
Variance explained (%)11.5711.209.618.988.938.807.267.175.40

Symptoms with factor loading ≥0.4 are marked bold.