. 2017 Mar 9;15:46. doi: 10.1186/s12955-017-0620-1

Table 2.

Demographic characteristics of the cognitive interview participants

	Participants*
Characteristics	Child	Adolescent	Adult	Parent
Age in years: Range (mean)	9–11 (9.8)	12–17 (14.8)	19–36 (28.4)	31–56 (41)
Gender: males/females	2/3	4/1	2/3	2/3
Level of education	4^th–6^th grade (two aged 9 in 4^th grade; two aged 10 in 5^th grade; one aged 11 in 6^th grade)	6^th–11^th grade (one aged 12 in 6^th grade; one aged 14 and one aged 15 in 8^th grade; one aged 16 in 9^th grade, one aged 17 in 11^th grade)	11^th–12^th grade (highest obtained)	11^th–12^th grade (highest obtained)

*n = 5 for each population