Table 1. Comparison of age, BMI and DHI (mean value ± SE) for the three obesity classes.

	Class I		Class II		Class III
	Mean value	SE	Mean value	SE	Mean value	SE	ANOVA
Age	56.9	2.8	59.6	1.4	58.3	0.7	n.s.
BMI	32.8	0.2	37.6	0.2	47.7	0.4	< 0.001 (Bonferroni)
DHI—t	21.1	3.6	24.7	3.0	21.2	1.7	n.s.
DHI—p	8.7	1.4	9.9	1.1	7.6	0.5	n.s.
DHI—e	5.2	1.4	5.7	1.0	5.4	0.6	n.s.
DHI—f	7.2	1.4	9.1	1.2	8.3	0.7	n.s.