Table 1.

Characteristics of Subjects

Characteristics	N=100
	Total (%)	Mean (sd)
Sex
Male	47 (47.0)
Female	53 (53.0)
Age (years)		43 (14)
Age
18–25 years	22 (22.0)
26–35 years	7 (7.0)
36–45 years	24 (24.0)
46–55 years	27 (27.0)
56–65 years	20 (20.0)