Cluster analysis using UPGMA method and classification of groups by to engage in sport and physical activity: Group I: DK: Denmark, FI: Finland and SE: Sweden, Group II: AT: Austria, DE: Germany, EE: Estonia, LU: Luxembourg and SI: Slovenia. Group III: LV: Latvia. Group IV: BE: Belgium, CY: Republic of Cyprus, FR: France, IE: Ireland, MT: Malta, UK: The United Kingdom and UE: the “average” country. Group V: CZ: The Czech Republic, EL: Greece, ES: Spain, HU Hungary, IT Italy, LT: Lithuania, PL: Poland, PT: Portugal and SK: Slovakia. Group VI: NL: The Netherlands. Group VII: BG: Bulgaria and RO: Romania.