Table 8: Factor loadings for the items of the phlegm pattern questionnaire responded by the fifth-year students.

ItemFactor
123456789

Indigestion0.8320.0300.172−0.015−0.1000.032−0.085−0.0540.077
Sickness0.7840.014−0.1900.0380.046−0.0360.0540.0240.053
Feeling of abdominal fullness0.7430.1020.1800.069−0.051−0.014−0.0320.0790.033
Rumbling sound in the abdomen0.5980.172−0.0830.0240.4000.092−0.054−0.316−0.223
Poor appetite0.571−0.1650.4360.0820.0480.022−0.1550.1940.027
Palpitation−0.0730.850−0.085−0.031−0.0290.0120.154−0.2350.148
Startled by faint noise0.0110.7590.1070.131−0.0530.0010.0950.0270.153
Dark circles under the eyes0.2790.624−0.0540.2230.010−0.043−0.1730.298−0.321
Dizziness0.2650.5000.034−0.030−0.0510.0370.4110.110−0.395
Fatigue0.0250.1240.877−0.0200.0030.0020.0470.1170.001
Feeling heavy in the limbs0.145−0.2040.7540.1440.1430.1490.214−0.2030.054
Shortness of breath0.3090.3960.495−0.1530.2820.154−0.235−0.0480.075
Lumps0.076−0.008−0.0560.8300.1760.0750.0270.154−0.127
Yellowish face−0.0870.2440.0600.729−0.1060.0680.0540.0560.354
Mucousy stool0.380−0.0170.1630.4970.0580.078−0.015−0.299−0.135
Cough−0.146−0.0590.191−0.0070.8530.1400.0040.0490.120
Sputum0.132−0.0540.0110.1960.754−0.248−0.0560.243−0.165
Headache−0.0760.0060.186−0.051−0.1360.7900.0950.030−0.168
Joint pain0.100−0.019−0.0520.1980.0730.7060.0320.0740.155
Itching0.0650.1070.3570.3660.2930.401−0.050−0.2670.077
Unclearness in the head−0.1650.0130.1780.136−0.074−0.0570.7970.0790.125
Tinnitus−0.0240.329−0.089−0.1290.0550.3410.635−0.0290.022
Flank pain−0.0480.0330.1600.1020.0200.386−0.1870.6530.292
Feeling of foreign body in the throat0.075−0.058−0.1000.0350.310−0.0590.2750.6450.005
Feeling heavy in the chest0.1620.1470.0530.021−0.0130.0250.1200.1560.844
Variance explained (%)12.3679.7338.8467.4177.3586.8546.2185.9625.783

Symptoms with factor loading ≥0.4 are marked bold.