Confirmatory and Exploratory Factor Analysis for Validating the Phlegm Pattern Questionnaire for Healthy Subjects
Table 3
Factor loadings results from exploratory factor analysis.
Item
Factor loading
Factor 1
Factor 2
Factor 3
Factor 4
Factor 5
Neuropsychologic signs and symptoms
(5) I feel my heart palpitate.
0.79
0.15
0.19
0.07
0.09
(7) I feel heavy in the chest.
0.70
0.18
0.17
0.33
0.15
(25) I have flank pain.
0.58
0.13
0.22
0.33
0.13
(6) I am startled by faint noise.
0.57
0.25
0.13
0.23
0.19
(4) I have ringing in the ears.
0.53
0.13
0.14
0.07
0.09
(3) I feel dizzy.
0.53
0.26
0.20
0.21
0.37
(11) I feel short of breath.
0.51
0.24
0.38
0.24
0.05
(14) I have a poor appetite.
0.45
0.24
0.20
0.28
0.14
(24) I have pain in the joints.
0.43
0.31
0.17
0.11
0.11
(20) I have a lump somewhere on my body.
0.30
0.18
0.19
0.07
0.16
Dermatologic and fatigue-related signs and symptoms
(22) I have dark circles under the eyes.
0.07
0.70
0.15
0.16
0.10
(21) My face is yellowish.
0.23
0.66
0.21
0.05
0.06
(12) I feel fatigued.
0.41
0.53
0.08
0.21
0.19
(13) I feel heavy or weak in the limbs.
0.51
0.52
0.24
0.19
0.11
(18) My stomach or intestine rumbles.
0.28
0.45
0.03
0.23
0.07
(23) I feel itchy.
0.16
0.39
0.24
0.20
0.16
Respiratory signs and symptoms
(9) I have sputum in my throat.
0.19
0.12
0.81
0.12
0.00
(8) I have a cough.
0.24
0.16
0.71
0.08
0.15
(10) I feel a foreign body present in the throat, neither swallowed nor ejected.
0.18
0.15
0.63
0.10
0.04
(19) My stool is mucousy.
0.10
0.28
0.29
0.14
0.06
Digestive signs and symptoms
(16) I have indigestion.
0.19
0.23
0.15
0.76
0.18
(17) I have a feeling of fullness in the stomach with just a little food.
0.33
0.27
0.13
0.70
0.04
(15) I feel sick in the stomach.
0.35
0.17
0.27
0.41
0.17
Head-related signs and symptoms
(2) I have a headache.
0.31
0.20
0.09
0.16
0.90
(1) I feel unclear in the head.
0.38
0.40
0.10
0.25
0.42
Rotation Sums of Squared Loadings
% of variance
17.21
11.08
9.62
8.13
5.78
Cumulative%
17.21
28.29
37.90
46.03
51.81
Factors were extracted by maximum likelihood method and rotated by varimax rotation. Bold values indicate factor loading of greater than 0.40. Items whose loadings are less than 0.4 for every factor.
