Table 1.

Distribution of sample in terms of demographic and socioeconomic variables of the SAYCARE general sample; and reliability and validity study samples

Children	SAYCARE sample (Q1, N = 200)	Reliability study sample (Q2, N = 55)	Validity study sample (Accelerometry data, N = 93)	P1	P2
	%	%	%
Sex				0.150	0.746
Male	47.8	60.0	50.0
Female	52.2	40.0	50.0
Age				< 0.001	0.033
3–5 years	55.5	34.5	43.9
6–10 years	44.5	65.5	56.1
Maternal education level				0.919	0.195
Incomplete high school	20.9	15.6	13.6
High school	13.3	12.5	20.4
Technical education	10.8	12.5	4.5
University degree	55.1	59.4	61.4
School type				< 0.001	< 0.001
Public	61.5	21.8	34.1
Private	38.5	78.2	65.9
Adolescents	SAYCARE sample (Q1, N = 215)	Reliability study sample (Q2, N = 106)	Validity study sample (Accelerometry data, N = 94)	P1	P2
	%	%	%
Sex
Male	50.0	39.4	50.0	0.643	0.99
Female	50.0	60.6	50.0
Age
11–14 years	51.9	46.2	40.3	0.115	0.115
15–18 years	48.1	53.8	59.6
Maternal education level
Incomplete high school	15.6	15.8	11.6	0.019	0.020
High school	23.4	23.7	16.3
Technical education	15.6	15.8	4.6
University degree	45.4	44.7	67.4
School type
Public	30.8	36.8	29.7	< 0.001	0.847
Private	69.2	63.2	70.3

Q1: Questionnaire first application; Q2: Questionnaire second application

P1: Proportion comparisons between Q1 and Q2 sample distributions

P2: Proportion comparisons between Q1 and participants with accelerometry data sample distributions

Significant values (p ≤ 0.05) are in bold