Table 1. Characterization of high school students from public and private schools in Teresina, Piauí, 2016.

Variables	N	%
Total	674	100.0
Age (in years)
14 to 16	346	51.3
17 to 19	328	48.7
Sex
Female	382	56.7
Male	292	43.3
Skin color
Blacka	522	77.4
Otherb	152	22.5
Live with parents?
Yes	573	85.0
No	101	15.0
Mother’s schooling (years of study)
< 8 years	210	31.2
≥ 8 years	464	68.8
Paid activity?
Yes	114	16.9
No	560	83.1
Household income
Up to 1 minimum wage	281	41.7
More than 1 minimum wage	393	58.3
Religion
Yes	585	86.8
No	89	13.2
Type of school
Public	436	64.7
Private	238	35.3
School Year
HS Freshmanc	222	32.9
HS Sophomore	242	35.9
HS Junior	210	31.2

HS: High School

^a Includes black and brown

^b Includes white, yellow and indigenous people