One hundred thirty eight (n=138) public playgrounds placed all over the mainland of
Greece (Peloponnesus, Attica, Macedonia, and Thrace) were assessed from April to
November of 2011. Playgrounds were chosen according to the criteria of being in use by
children of preschool and first school age (1-8 years old) and had enough of the typical
equipment (swings, climbers, etc).