Table 1. Frequency distribution of the demographic variables of the participants (n=289).

Variable		Number	Percentage
University	Tehran	109	37.7
	Shahid Beheshti	65	22.5
	Islamic Azad	65	22.5
	Shahed	50	17.3
Academic level	Freshman	133	46
	Senior	156	54
Sex	Female	154	53.3
	Male	135	46.7
Place of residence	Dormitory	107	37
	Living alone	42	14.5
	Living with friends	7	2.4
	Living with parents	133	46
Financial status	Very good	25	8.7
	Good	136	47.1
	Moderate	124	42.9
	Poor	3	1
	Very poor	1	0.3
Financial support from the family	Very good	23	8
	Good	173	59.9
	Inadequate	93	32.2