Table 1.

Characteristics of the sample.

Sex	N	%
Male	83	38.1
Female	135	61.9
Age
<25	9	4.1
30–34	13	6.0
35–39	43	19.7
40–44	36	16.5
45–49	41	18.8
50–59	68	31.2
>60	8	3.7
Category
Physician	50	22.9
Nurse	112	51.4
Support staff	56	25.7