Table 1.

Demographic Characteristics of the Study Sample at Baseline (N=1,287)

Parameters	Mean (SD)	n (%)
Age (years)	30.1 (9.7)
Gender
Female		734 (57.0)
Male		553 (53.0)
Educational level
Low (school level or lower)		394 (30.6)
High (University or higher)		893 (69.4)
Marital status, n (%)
Married		619 (48.1)
Not married (single, divorced, widowed)		668 (51.9)
Nationality
Jordanian		1229 (95.5)
Other		58 (4.5)
Place of residence
South Jordan		42 (3.3)
Middle Jordan		193 (15.0)
North Jordan		1052 (81.7)
Do you have a biomedicine-related degree?
Yes		168 (13.1)
No		1119 (86.9)
Have you ever participated in a clinical study?
Yes		109 (8.5)
No		1178 (91.5)