Test-retest reliability of adolescents' self-reported physical activity item in two consecutive surveys

• Autores principales: Kwok Ng (Autor), Riikka Hämylä (Autor), Jorma Tynjälä (Autor), Jari Villberg (Autor), Tuija Tammelin (Autor), Lasse Kannas (Autor), Sami Kokko (Autor)
• Formato: Libro
• Publicado: BMC, 2019-02-01T00:00:00Z.
• Materias: article
• Acceso en línea: Connect to this object online.

Abstract Background National monitoring of school-aged physical activity (PA) behaviours is necessary to inform policy makers. The Finnish School-aged Physical Activity (FSPA - LIITU in Finnish) is a physical activity monitoring study, collecting data from young adolescents aged 11 to 15 years throu...