Chinese Medicine

Table 4 Extracted factor loadings of items for each QBYY-Q and the variance explained by two factors

From: Validation of the qi blood yin yang deficiency questionnaire on chronic fatigue

PI	Item	Sub-scale	QD-Q		BD-Q		YnD-Q		YgD-Q
PI	Item	Sub-scale	FL1	FL2	FL1	FL2	FL1	FL2	FL1	FL2
QD	QD-Q 01	Fatigue	0.821	−0.054
	QD-Q 02		0.798	−0.087
	QD-Q 05		0.824	−0.033
	QD-Q 06		0.444	0.043
	QD-Q 07		0.367	−0.107
	QD-Q 09		0.287	0.160
	QD-Q 03	Weakened voice	−0.147	1.098
	QD-Q 04		0.231	0.330
	QD-Q 08		0.171	0.433
	% of variance explained		27.90	17.20
BD	BD-Q 01	Heart pounding			0.831	−0.081
	BD-Q 02				0.865	−0.182
	BD-Q 03				0.537	0.098
	BD-Q 08				0.537	0.016
	BD-Q 04	Pale and dry body			0.112	0.499
	BD-Q 05				0.090	0.617
	BD-Q 06				−0.222	0.977
	BD-Q 07				0.308	0.313
	% of variance explained				45.30	12.70
YnD	YnD-Q 02	Rough and dry body					0.508	0.145
	YnD-Q 05						0.712	−0.120
	YnD-Q 06						0.770	−0.102
	YnD-Q 07						0.689	−0.033
	YnD-Q 01	Body steaming					0.243	0.267
	YnD-Q 03						−0.042	0.741
	YnD-Q 04						0.216	0.448
	YnD-Q 08						−0.154	0.848
	YnD-Q 09						0.054	0.388
	% of variance explained						39.60	12.60
YgD	YgD-Q 01	Preference for warm things							0.821	−0.120
	YgD-Q 02								0.560	0.012
	YgD-Q 03								0.692	−0.072
	YgD-Q 04								0.417	0.225
	YgD-Q 05	Diarrhea							−0.146	0.939
	YgD-Q 06	Diarrhea							0.052	0.646
	% of variance explained								41.50	21.90

The italic letters represents the largest loading between two factors
PI pattern identification, QD qi deficiency, QD-Q qi deficiency questionnaire, BD blood deficiency, BD-Q blood deficiency questionnaire, YnD yin deficiency, YnD-Q yin deficiency questionnaire, YgD yang deficiency, YgD-Q yang deficiency questionnaire, FL factor loading

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ISSN: 1749-8546

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