Table 7: Factor loadings for the items of the phlegm pattern questionnaire responded by the fourth-year students.

ItemFactor
12345678

Indigestion0.713−0.1450.3880.1140.1200.041−0.1100.048
Feeling of abdominal fullness0.7050.0910.3120.0500.0820.0560.054−0.050
Rumbling sound in the abdomen0.6690.359−0.0720.2500.0630.204−0.067−0.022
Sickness0.607−0.0380.0250.072−0.001−0.2200.2290.336
Startled by faint noise0.0470.866−0.1330.0440.0750.012−0.1530.060
Palpitation0.0770.834−0.1040.0660.1470.0930.0570.104
Tinnitus−0.0450.6130.281−0.0480.3420.0660.324−0.092
Itching0.0340.4370.3530.381−0.1640.3150.0220.158
Feeling heavy in the limbs0.175−0.0470.7690.210−0.1360.1860.0480.102
Fatigue0.251−0.1320.7440.1640.1910.039−0.038−0.022
Poor appetite0.509−0.0420.5480.0870.1520.0570.2560.078
Shortness of breath0.0390.2100.5480.118−0.011−0.2020.2570.430
Dark circles under the eyes0.1280.1810.1800.7620.192−0.044−0.0600.034
Yellowish face0.146−0.1210.2480.7260.0610.181−0.0310.198
Lumps0.2330.0870.1610.525−0.1710.1840.347−0.036
Unclearness in the head0.2990.0470.089−0.0810.7470.127−0.062−0.056
Dizziness0.1120.2800.0310.0370.730−0.0090.2220.019
Headache−0.0830.128−0.0200.3150.6780.155−0.0510.279
Mucousy stool0.3480.1090.0340.389−0.4530.2840.093−0.001
Flank pain−0.0470.2380.0460.0190.0330.8540.0790.087
Joint pain0.132−0.0360.1210.1940.1430.7620.1990.094
Feeling of foreign body in the throat0.0220.1030.1150.0200.0260.0640.828−0.010
Sputum0.080−0.238−0.0650.0010.0740.4300.6700.201
Cough0.0360.1000.0430.2260.0530.1680.0740.804
Feeling heavy in the chest0.1650.0210.278−0.4380.1360.192−0.0940.563
Variance explained (%)10.25710.1469.9059.0098.5978.1656.8906.042

Symptoms with factor loading ≥0.4 are marked bold.