M
Michal Kalman
Researcher at Comenius University in Bratislava
Publications - 78
Citations - 1396
Michal Kalman is an academic researcher from Comenius University in Bratislava. The author has contributed to research in topics: Overweight & Medicine. The author has an hindex of 15, co-authored 72 publications receiving 997 citations. Previous affiliations of Michal Kalman include Martin University & Jessenius Faculty of Medicine.
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International trends in adolescent screen-time behaviors from 2002 to 2010
Jens Bucksch,Dagmar Sigmundová,Zdenek Hamrik,Philip J. Troped,Ole Melkevik,Namam Ahluwalia,Alberto Borraccino,Jorma Tynjälä,Michal Kalman,Joanna Inchley +9 more
TL;DR: The overall cross-national increases in STBs should be a call to action for public health practitioners, policy-makers, and researchers that interventions specifically focused on reducing STBs in youth are sorely needed.
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Secular trends in moderate-to-vigorous physical activity in 32 countries from 2002 to 2010: a cross-national perspective
Michal Kalman,Jo Inchley,Dagmar Sigmundová,Ronald J. Iannotti,Jorma Tynjälä,Zdenek Hamrik,Ellen Haug,Jens Bucksch +7 more
TL;DR: The majority of adolescents do not meet current recommendations of PA, and further investment at national and international levels is necessary to increase PA participation among children and adolescents and reduce the future health burden associated with inactivity.
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How Are Adolescents Sleeping? Adolescent Sleep Patterns and Sociodemographic Differences in 24 European and North American Countries
Geneviève Gariépy,Sofia M. Danna,Inese Gobiņa,Mette Rasmussen,Margarida Gaspar de Matos,Jorma Tynjälä,Ian Janssen,Michal Kalman,Anita Villerusa,Daniela Husarova,Fiona Brooks,Frank J. Elgar,Solvita Klavina-Makrecka,Kastytis Šmigelskas,Tania Gaspar,Christina Schnohr +15 more
TL;DR: The sleep patterns of adolescents vary across countries and sociodemographic groups, and older adolescents slept less and went to bed later on school days than younger adolescents in all countries.
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Physical activity and sedentary behaviour in Czech adults: results from the GPAQ study.
TL;DR: The development of national strategies for PA promotion together with the development and verification of specific intervention programmes, especially for women, should be a priority in the Czech Republic.
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Test–retest reliability of selected physical activity and sedentary behaviour HBSC items in the Czech Republic, Slovakia and Poland
TL;DR: The physical activity and sedentary behaviour items of the HBSC questionnaire seem to be at the borderline of reliability to be used in adolescents.