Table 2. Comparison of the demographic characteristics of the participants in the study .

Demographic variables	Intervention group, n=47		Control group, n=47		P value
	Number	Percent	Number	Percent
Age (yr)					0.867
15	2	4.3	2	4.3
16	11	23.4	12	25.4
17	30	63.8	31	66.0
18	4	8.5	2	4.3
High school grade					0.458
Tenth	9	19.1	12	25.5
Eleventh	38	80.9	35	74.5
Father's Education					0.428
Illiteracy	1	2.1	0	0.0
Under the diploma	8	17.0	10	21.3
Diploma	33	70.3	28	59.6
College	5	10.6	9	19.1
Mother's Education					0.336
Illiteracy	0	0.0		12.1
Under the diploma	9	19.1	10	23.3
Diploma	32	68.1	25	53.2
College	6	12.8	11	23.4
Father’s occupation					0.081
Unemployed	0	0.0	3	6.4
Worker	10	213	14	29.8
Self-employed	32	68.3	24	51.1
Employee	0	0.0	3	6.4
Retired	5	10.6	3	6.4
Mother’s occupation					0.370
Housewife	39	83.0	42	89.4
Employed	8	17.0	5	10.6
Having own room					0.125
Yes	35	74.5	39	59.6
No	12	25.5	8	40.4
Living (with)					0.139
Both parents	41	87.2	45	95.7
Others	6	12.8	2	4.3
experienced cigarette smoking					0.143
Yes	23	48.9	16	34.0
No	24	51.1	31	66.0
Current cigarette smoking					0.789
Yes	8	17.0	9	19.9
No	39	83.0	38	80.9