Table 1.

Descriptive statistics of demographic variables

Variables	N	%
Upper	54	25.0
Gender
Male	120	55.6
Female	96	44.4
Age (years)
16	58	24.9
17	39	16.7
18	17	7.3
19	27	11.6
Mean ± SD age for total sample	17.09 ± 1.13
Mean ± SD age for males	17.29 ± 1.14
Mean age ± SD for females	17.01 ± 1.12
Education
10 th grade	62	28.7
12 th grade	154	71.3
Income group
Lower	81	37.5
Middle	81	37.5