Table 1 Characteristics of the participants.
Age (years)
Gender <20 [20-30] [30-40] [40-50] >50
Male (n, %) 14 (3.6%) 80 (20.6%) 91 (23.5%) 38 (9.8%) 10 (2.5%)
Female (n, %) 11 (2.8%) 79 (20.4%) 40 (10.3%) 15 (3.8%) 9 (2.3%)
Total 25 (6.4%) 159 (41%) 131 (33.8%) 43 (13.6%) 19 (4.8%)