Table 3.

Validity analysis (exploratory factor analysis) of the Dutch Eating Behavior Questionnaire (DEBQ).

DEBQ item	Factor 1	Factor 2	Factor 3	Factor 4	Factor 5	Factor 6	Uniqueness	Communality (1-uniqueness) %
Item 1	0.786						0.313	68.6%
Item 2				0.752			0.280	71.7%
Item 3	0.527		0.334	0.438			0.400	60.1%
Item 4		0.794					0.311	31.1%
Item 5	0.835						0.247	75.3%
Item 6				0.734			0.334	66.6%
Item 7		0.838					0.244	75.6%
Item 8	0.734			0.323			0.309	69.1%
Item 9			0.623	0.483			0.336	66.4%
Item 10	0.841						0.226	77.4%
Item 11		0.745					0.378	62.2%
Item 12			0.641				0.427	57.3%
Item 13	0.818						0.272	72.8%
Item 14		0.328			0.708		0.343	65.7%
Item 15			0.825				0.277	72.3%
Item 16	0.795						0.267	73.3%
Item 17		0.355			0.515		0.580	42.0%
Item 18				0.330		0.666	0.355	64.5%
Item 19		0.841					0.266	73.4%
Item 20	0.825						0.270	73.1%
Item 21				-0.325	0.635		0.439	56.1%
Item 22		0.861					0.212	78.8%
Item 23	0.897						0.140	86.0%
Item 24			0.840				0.183	81.7%
Item 25	0.784						0.267	73.4%
Item 26		0.817					0.266	73.4%
Item 27	0.413					0.688	0.281	71.9%
Item 28	0.880						0.177	82.3%
Item 29		0.787					0.275	72.5%
Item 30	0.732					0.406	0.241	76.0%
Item 31		0.795					0.289	71.1%
Item 32	0.785						0.284	71.6%
Item 33			0.432				0.669	33.1%
Eigenvalue (explained variance)	10.89 (0.33)	5.91 (0.18)	2.51 (0.08)	1.29 (0.04)	1.14 (0.03)	1.05 (0.03)
Cumulative explained variance †	0.691 or 69.1%

Factor loading < 0.30 was not shown.

^† Based on six factors identified by using eigenvalues greater than one rule (Kaiser’s rule).