Ownership and Use of Commercial Physical Activity Trackers Among Finnish Adolescents: Cross-Sectional Study

by Ng, Kwok, Tynjälä, Jorma, Kokko, Sami
Published 2017-05-01

PHYSICAL ACTIVITY PATTERNS OF ADOLESCENTS WITH LONG TERM ILLNESSES OR DISABILITIES IN FINNISH GENERAL EDUCATION

by Ng, Kwok, Rintala, Pauli, Tynjala, Jorma, Villberg, Jari, Kannas, Lasse
Published 2014-03-01

Attempts to lose weight among overweight and non-overweight adolescents: a cross-national survey

by Tynjälä Jorma, Villberg Jari, Currie Candace, Välimaa Raili, Vereecken Carine, Ojala Kristiina, Kannas Lasse
Published 2007-10-01

Test-retest reliability of selected items of Health Behaviour in School-aged Children (HBSC) survey questionnaire in Beijing, China

by Liu Yang, Wang Mei, Tynjälä Jorma, Lv Yan, Villberg Jari, Zhang Zhouyang, Kannas Lasse
Published 2010-08-01