Table 1: The frequency of abstinence attitude and abstinence self-efficacy in boys and girl's student.

		Boy	Girl	Total	P
Abstinence attitude	0-13	317	798	1115	0.001
		59.3%	86.8%	76.7%
	14-27	218	121	339
		40.7%	13.2%	23.3%
Abstinence self-efficacy	Poor	53	195	248	0.001
		9.9%	21.2%	17.1%
	Medium	327	604	931
		61.1%	65.7%	64%
	Good	155	120	275
		29%	13.1%	18.9%