Children’s Body composition and Stress – the ChiBS study: aims, design, methods, population and participation characteristics

Table 1 Participation numbers, separately for baseline survey (2010) and first follow-up (2011) of ChiBS in Aalter, Belgium

^a all children who participated to the BODPOD® measurements and/or stress questionnaires in 2010.
^b percentage of informed consents on the total number of eligible children.
^c percentage of children for who consent was given that did ultimately not participate (e.g. fear, test too difficult, defects of equipment or machinery).
^d number of children of whom data was valid for analysis after data-cleaning.
^e primary school children (boys and girls).
^f primary school girls.
^g limited to children from whom a salivary and/or hair sample was available.
^h as serum samples were also used to analyse other biological components, an insufficient amount of the sample for cortisol analyses was the largest limiting factor.
ADP air displacement plethysmography, HRV heart rate variability, n/a = not applicable as salivary, hair and serum sampling were not repeated in 2011.

ISSN: 2049-3258