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

• Main Authors: Kwok Ng (Author), Riikka Hämylä (Author), Jorma Tynjälä (Author), Jari Villberg (Author), Tuija Tammelin (Author), Lasse Kannas (Author), Sami Kokko (Author)
• Format: Book
• Published: BMC, 2019-02-01T00:00:00Z.
• Subjects: article
• Online Access: 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...