Table 1: Demographic distribution of individuals included in the study, organized by group.

	Class I			Class II			Class III			Total
	n	Mean	SD	n	Mean	SD	n	Mean	SD	n	Mean	SD
Female	15	16.03	1.48	18	17.84	2.15	16	17.87	2.05	49	17.30	2.08
Male	20	16.72	1.28	17	17.23	2.28	19	17.71	1.32	56	17.21	1.68
Total	35	16.43	1.39	35	17.54	2.20	35	17.78	1.67	105	17.25	1.87

n= Number of subject. SD= Standard Deviation.