Table 4.

Baseline characteristics of the study population

Variables	n		Percentage
Age (years)
Range		20-27
Mean (SD)		23.1 (1.5)
Sex
Male	96		52.7
Female	86		47.3
Total	182		100.0
2nd	33		18.1
3rd	32		17.6
4th	37		20.3
5th	42		23.1
6th	38		20.9
Total	182		100.0