Confirmatory and Exploratory Factor Analysis for Validating the Phlegm Pattern Questionnaire for Healthy Subjects

Table 4

Comparison of factor structure between this and a previous study.

Factor structure of this study		Factor structure of Park et al.’s study [4]
Factor 1	Palpitation	Palpitation	Factor 1
	Startled by faint noise	Startled by faint noise
	Feeling heavy in the chest	Feeling heavy in the chest
	Joint pain	Joint pain
	Shortness of breath	Shortness of breath
	Tinnitus	Tinnitus
	Flank pain	Flank pain
	Dizziness
	Poor appetite
	Lumps
Factor 4	Indigestion	Indigestion	Factor 2
	Feeling of abdominal fullness	Feeling of abdominal fullness
	Sickness	Sickness
		Poor appetite
		Rumbling sound
Factor 5	Headache	Headache	Factor 3
	Unclearness in the head	Unclearness in the head
		Dizziness
Factor 2	Fatigue	Fatigue
	Feeling heavy in the limbs	Feeling heavy in the limbs
	Dark circle under the eyes	Dark circle under the eyes	Factor 4
	Yellowish face	Yellowish face
	Rumbling sound
	Itching
Factor 3	Sputum	Sputum	Factor 5
	Feeling of foreign body in the throat	Feeling of foreign body in the throat
	Cough	Cough
	Mucousy stool
		Lumps	Factor 6
		Itching
		Mucousy stool

Items are shortened and reordered for easier comparison.