Table 1.

Results of principal components analysis-factors and variance explained

Total variance explained

Component	Extraction sums of squared loadings					Rotation sums of squared loadings
	Total	% of variance		Cumulative %		Total	% of variance	Cumulative %
1	10.03	31.37		31.37		9.72	30.40	30.40
2	8.44	26.39		57.76		6.29	19.67	50.07
3	1.57	4.90		62.67		4.31	12.59	62.67

Extraction method: principal component analysis.