Table 1.

Demographic characteristics of the study participants (n = 249).

Variables	Number (%)
Female sex, n (%)	145 (58.2)
Age, yr (mean ± SD)	38.1 ± 9.5
20–29, n (%)	63 (25.3)
30–39, n (%)	84 (33.7)
40–49, n (%)	69 (27.7)
50–59, n (%)	29 (11.6)
60–69, n (%)	4 (1.6)
Occupational group, n (%)
Physicians	78 (31.3)
Nurses	80 (32.1)
Health technicians	91 (36.5)
Underlying disease, n (%)	43 (17.3)
CCI (mean ± SD)	0.23 ± 0.59

n, number; yr, years; SD, standard deviation; CCI, Charlson comorbidity index score.