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

por Ng, Kwok, Tynjälä, Jorma, Kokko, Sami
Publicado 2017

Associations between adolescents’ energy drink consumption frequency and several negative health indicators

por Puupponen, Maija, Tynjälä, Jorma, Välimaa, Raili, Paakkari, Leena
Publicado 2023

Overweight Adolescents' Self-Perceived Weight and Weight Control Behaviour: HBSC Study in Finland 1994–2010

por Ojala, Kristiina, Tynjälä, Jorma, Välimaa, Raili, Villberg, Jari, Kannas, Lasse
Publicado 2012

Organized Sport Participation and Physical Activity Levels among Adolescents with Functional Limitations

por Ng, Kwok, Rintala, Pauli, Hutzler, Yeshayahu, Kokko, Sami, Tynjälä, Jorma
Publicado 2017

Problematic Social Media Use and Health among Adolescents

por Paakkari, Leena, Tynjälä, Jorma, Lahti, Henri, Ojala, Kristiina, Lyyra, Nelli
Publicado 2021

Energy Drink Consumption Among Finnish Adolescents: Prevalence, Associated Background Factors, Individual Resources, and Family Factors

por Puupponen, Maija, Tynjälä, Jorma, Tolvanen, Asko, Välimaa, Raili, Paakkari, Leena
Publicado 2021

Loneliness, subjective health complaints, and medicine use among Finnish adolescents 2006–2018

por Lyyra, Nelli, Junttila, Niina, Tynjälä, Jorma, Villberg, Jari, Välimaa, Raili
Publicado 2022

Do adolescents with long-term illnesses and disabilities have increased risks of sports related injuries?

por Ng, Kwok W., Tynjälä, Jorma, Rintala, Pauli, Kokko, Sami, Kannas, Lasse
Publicado 2017

Leisure‐time physical activity and participation in organized sports: Changes from 1985 to 2014 in Finland and Norway

por Mathisen, Frida K. S., Kokko, Sami, Tynjälä, Jorma, Torsheim, Torbjørn, Wold, Bente
Publicado 2019

Socioeconomic differences in adolescents’ smoking: a comparison between Finland and Beijing, China

por Liu, Yang, Wang, Mei, Tynjälä, Jorma, Villberg, Jari, Lv, Yan, Kannas, Lasse
Publicado 2016

Health asset profiles and health indicators among 13- and 15-year-old adolescents

por Paakkari, Leena, Torppa, Minna, Välimaa, Raili, Villberg, Jari, Ojala, Kristiina, Tynjälä, Jorma
Publicado 2019

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

por Ojala, Kristiina, Vereecken, Carine, Välimaa, Raili, Currie, Candace, Villberg, Jari, Tynjälä, Jorma, Kannas, Lasse
Publicado 2007

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

por Liu, Yang, Wang, Mei, Tynjälä, Jorma, Lv, Yan, Villberg, Jari, Zhang, Zhouyang, Kannas, Lasse
Publicado 2010

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

por Ng, Kwok, Hämylä, Riikka, Tynjälä, Jorma, Villberg, Jari, Tammelin, Tuija, Kannas, Lasse, Kokko, Sami
Publicado 2019

Does Sleep Mediate the Association between School Pressure, Physical Activity, Screen Time, and Psychological Symptoms in Early Adolescents? A 12-Country Study

por Vandendriessche, Ann, Ghekiere, Ariane, Van Cauwenberg, Jelle, De Clercq, Bart, Dhondt, Karlien, DeSmet, Ann, Tynjälä, Jorma, Verloigne, Maïté, Deforche, Benedicte
Publicado 2019