Table 1.

Age and gender of the first study group participants (n = 120).

Age Range	Number	Percentage (%)
<30	21	17.5
30–39	18	15.0
40–49	37	30.8
50–59	36	30.0
≥60	8	6.7
Gender	Number	Percentage (%)
male	18	15.0
female	102	85.0