EuropeaN Energy balance Research to prevent excessive weight Gain among Youth (ENERGY) project: Design and methodology of the ENERGY cross-sectional survey

Table 1 Overview of data collection and response rates per country

	Belgium	Greece	Hungary	Netherlands	Norway	Slovenia	Spain	Total
School level
N	26	37	29	23	21	15	24	175
Response rate (%)	29%	54%	71%	5%	36%	100%	72%	-
No. of completed audits	26	34	32¹	23	21	15	21	172
No. of completed SMQ	19	37	29	15	20	15	21	156
Child level
No. completed Questionnaires	1003	1077	1022	926	1004	1178	1024	7234
Response rate Questionnaire	82%	94%	100%	89%	99%	98%	97%	-
No. completed Anthropometry	1005	1077	1022	898	980	1146	1024	7152
Response rate (anthropometry)	82%	94%	33.2%	87%	45%	96%	97%	-
No. of measured accelerometry	194	215	200	199	N/A	N/A	N/A	808
Response rate (Accelerometry)	84%	97%	19.9%	85%	n/a	n/a	n/a	-
Parent level
No. of completed questionnaire	763	1008	932	404	903	1028	964	6002
Response rate Questionnaire	62%	83%	91%	44%	89%	87%	94%	-

N/A: Not applicable; SMQ = School Management Questionnaire
^1. In Hungary some schools had more than one location; therefore the number of audits is larger than the number of schools.

ISSN: 1471-2458