Comparison of the IPAQ-A and actigraph in relation to VO2max among European adolescents: the HELENA study

C Ottevaere, I Huybrechts, I De Bourdeaudhuij…�- Journal of Science and�…, 2011 - Elsevier
The purpose was to compare data obtained from a modified, long, self-administered version
of the International Physical Activity Questionnaire (IPAQ-A) with objective data obtained in
parallel from Actigraph accelerometers, and VO 2 max in adolescents. The study comprised
a total of 2018 adolescents (46% male) from ten European cities participating in the
HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study. Physical activity
was assessed over seven consecutive days by accelerometry and expressed as min/day of�…