Table 1.

General characteristics of respondents' children (n = 17,562).

Parameters	Frequency (%)
Child's age in years, median (interquartile range)	9 (7–12)
Education level of the child, n (%)
Preschool (3–4 years)	518 (2.9)
Kindergarten (4–6 years)	2,606 (14.8)
Primary school (7–12 years)	9,786 (55.7)
Secondary school (13–15 years)	2,916 (16.6)
High school (16–18 years)	1,736 (9.9)
Vulnerable individual(s) in the household, n (%)
Yes	11,540 (65.7)
No	6,022 (34.3)
Children with chronic illness or comorbidities, n (%)
Yes	1,651 (9.4)
No	15,911 (90.6)
Parents' choice about whether to send their child to school, n (%)
Send to school	9,774 (55.7)
Keep at home	6,368 (36.3)
Equally likely	1,420 (8.1)