Table 6: Factor loadings for the items of the phlegm pattern questionnaire responded by the third-year students.

ItemFactor
12345678

Feeling of foreign body in the throat0.6880.183−0.285−0.0320.1600.0240.098−0.085
Cough0.686−0.064−0.081−0.087−0.210−0.049−0.0520.338
Sputum0.6400.043−0.171−0.415−0.1800.1100.0710.227
Shortness of breath0.6390.1410.1040.4490.004−0.1320.0550.131
Feeling heavy in the chest0.6280.0000.1890.0890.2010.0570.074−0.288
Sickness0.2210.7960.0630.094−0.045−0.046−0.192−0.103
Indigestion0.0280.774−0.081−0.0940.0810.1140.315−0.127
Feeling of abdominal fullness0.0620.676−0.248−0.0780.238−0.0170.411−0.091
Poor appetite−0.1090.6340.306−0.211−0.0160.152−0.1270.171
Feeling heavy in the limbs−0.167−0.0580.8350.118−0.0550.1310.113−0.067
Fatigue0.0000.1280.7380.0420.2000.125−0.075−0.016
Palpitation−0.092−0.0030.2270.7270.0240.062−0.1140.180
Startled by faint noise0.118−0.221−0.0520.7120.1860.225−0.077−0.202
Tinnitus0.013−0.059−0.0400.547−0.1160.5420.1930.032
Yellowish face−0.0360.203−0.154−0.0420.7470.038−0.0860.012
Joint pain−0.006−0.0600.3660.0830.698−0.016−0.1240.156
Flank pain0.144−0.1190.4440.1560.567−0.062−0.1050.130
Dark circles under the eyes−0.3150.1060.3180.2500.3450.0480.2660.217
Unclearness in the head0.0330.0110.1640.0150.0460.850−0.132−0.051
Dizziness−0.2310.1010.1320.355−0.1330.6250.0550.120
Headache0.2270.3230.2520.1190.2360.484−0.1420.366
Lumps0.2520.113−0.184−0.3290.3300.4340.313−0.135
Mucousy stool0.164−0.097−0.026−0.071−0.1870.0520.7940.008
Rumbling sound in the abdomen−0.0690.3580.0990.000−0.087−.1800.6960.286
Itching0.101−0.168−0.0400.0590.2440.0530.1870.791
Variance explained (%)10.42110.3378.9518.6548.2858.1477.2595.524

Symptoms with factor loading ≥0.4 are marked bold.