Recent Submissions

  • Assessment of Physical Fitness Status of Athletes with Intellectual Disabilities Participating in Special Olympics Programs in Nairobi County, Kenya 

    Bukhala, P.; Onywera, V.; Toriola, A.L.; Onagbiye, S.O. (Taylor & Francis, 2017)
    Information on the fitness status of people with disabilities in Kenya is scanty, particularly for those who participate in Special Olympics sports. The study aimed to assess the physical fitness level of athletes ...
  • Running Performance, Nationality, Sex and Age in 10km, Half-marathon, Marathon and 100km Ultra-marathon IAAF 1999-2015 

    Nikolaidis, Pantelis T.; Onywera, V.O.; Knechtle, Beat (University of Zurich, 2017)
    The aim of the present study was to examine the performance of the world’s best runners in 10km, half-marathon, marathon and 100km by age, sex and nationality during 1999-2015 using data from International Association ...
  • Sources of variability in childhood obesity indicators and related behaviors 

    Katzmarzyk, P.T.; Broyles, S.T.; Chaput, J-P; Fogelholm, M.; Hu, G.; Lambert, E.V.; Maher, C.; Maia, J.; Olds, T.; Onywera, V.O.; Sarmiento, O.L.; Standage, M.; Tremblay, M.S.; Tudor-Locke, C. (Macmillan Publishers Limited, 2017)
    The purpose of this study was to describe sources of variability in obesity-related variables in 6022 children aged 9–11 years from 12 countries. The study design involved recruitment of students, nested within schools, ...
  • Socioeconomic status and dietary patterns in children from around the world: different associations by levels of country human development? 

    Manyanga, Taru; Tremblay, Mark S.; Chaput, Jean-Philippe; Katzmarzyk, Peter T.; Fogelholm, Mikael; Hu, Gang; Kuriyan, Rebecca; Kurpad, Anura; Lambert, Estelle V.; Maher, Carol; Maia, Jose; Matsudo, Victor; Olds, Timothy; Onywera, V.O.; Sarmiento, Olga L.; Standage, Martyn; Tudor-Locke, Catrine; Zhao, Pei; Mikkila, Vera; Broyles, Stephanie T.; ISCOLE Research Group (BioMed Central, 2017)
    Background: Although ‘unhealthy’ diet is a well-known risk factor for non-communicable diseases, its relationship with socio-economic status (SES) has not been fully investigated. Moreover, the available research has ...
  • Correlates of compliance with recommended levels of physical activity in children 

    Gomes, Thayse Natacha; Katzmarzyk, Peter T.; Hedeker, Donald; Fogelholm, Mikael; Standage, Martyn; Onywera, V.O.; Lambert, Estelle V.; Tremblay, Mark S.; Chaput, Jean-Philippe; Tudor-Locke, Catrine; Sarmiento, Olga; Matsudo, Victor; Kurpad, Anura; Kuriyan, Rebecca; Zhao, Pei; Hu, Gang; Olds, Timothy; Maher, Carol; Maia, José (Nature Publishing Group, 2017)
    The purpose of this study was to describe children’s daily compliance with moderate-to-vigorous physical activity (MVPA) recommendations across a week in different parts of the world, and to identify individual- and ...
  • Joint Association of Birth Weight and Physical Activity/ Sedentary Behavior with Obesity in Children Ages 9-11 Years from 12 Countries 

    Qiao, Yijuan; Zhang, Tao; Liu, Hongyan; Katzmarzyk, Peter T.; Chaput, Jean-Philippe; Fogelholm, Mikael; Johnson, William D.; Kuriyan, Rebecca; Kurpad, Anura; Lambert, Estelle V.; Maher, Carol; Maia, Jose A.R.; Matsudo, Victor; Olds, Timothy; Onywera, Vincent; Sarmiento, Olga L.; Standage, Martyn; Tremblay, Mark S.; Tudor-Locke, Catrine; Zhao, Pei; Hu, Gang (Wiley, 2017)
    Objective: To examine the joint association of birth weight and physical activity/sedentary time with childhood obesity in 12 countries. Methods: A cross-sectional study of 5,088 children aged 9 to 11 years was conducted. ...
  • Physical activity and health related physical fitness attributes of staff members in a Kenyan Public University 

    Mwangi, Francis M.; Rintaugu, E.G. (Scientific & Academic Publishing, 2017)
    High health care service cost for employees have been documented in many institutions. The purpose of the study was to assess university staff in selected health related fitness variables and their physical activity levels. ...
  • Sport participation motivesof Kenyan female university athletes 

    Rintaugu, E.G. (2017)
    The purpose of this study was to investigate the participation motives of female university athletes at a university sport championship. It was hypothesized that the participation motives would not differ significantly ...
  • Results From Kenya’s 2016 Report Card on Physical Activity for Children and Youth 

    Onywera, V.O.; Muthuri, S.K.; Hayker, S.; Wachira, Lucy-Joy M.; Kyallo, F.; Mang’eni, R.O.; Bukhala, P.; Mireri, C. (Human Kinetics, 2016)
    Background: Kenya’s 2016 report card aimed to highlight the health and well-being of Kenyan children and youth using the best available evidence on the physical activity of Kenyan children and youth. The report pointed ...
  • Performance and age of African and non- African runners in World Marathon Majors races 2000–2014 

    Knechtle, B.; Aschmann, A.; Onywera, V.; Nikolaidis, P.T.; Rosemann, T.; Rüst, C.A. (Taylor & Francis Group, 2016)
    The age for the fastest marathoners is well investigated, but not the age and nationality of the fastest. We investigated the age of peak marathon performance for the annual top 100 women and men competing in four races ...
  • Nocturnal sleep-related variables from 24-h free-living waist-worn accelerometry: International Study of Childhood Obesity, Lifestyle and the Environment 

    Tudor-Locke, C.; Mire, E.F.; Barreira, T.V.; Schuna, J.M.; Chaput, J-P; Fogelholm, M.; Hu, G.; Kurpad, A.; Kuriyan, R.; Lambert, E.V.; Maher, C.; Maia, J.; Matsudo, V.; Olds, T.; Onywera, V.; Sarmiento, O.L.; Standage, M.; Tremblay, M.S.; Zhao, P.; Church, T.S.; Katzmarzyk, P.T. (Macmillan Publishers Limited, 2015)
    OBJECTIVES: We describe the process of identifying and defining nocturnal sleep-related variables (for example, movement/nonmovement indicators of sleep efficiency, waking episodes, midpoint and so on) using the unique ...
  • NEWS for Africa: adaptation and reliability of a built environment questionnaire for physical activity in seven African countries 

    Oyeyemi, A.L.; Kasoma, S.S.; Onywera, V.O.; Assah, F.; Adedoyin, R.A.; Conway, T.L.; Moss, S.J.; Ocansey, R.; Kolbe-Alexander, T.L.; Akinroye, K.K.; Prista, A.; Larouche, R.; Gavand, K.A.; Cain, K.L.; Lambert, E.V.; Aryeetey, R.; Bartels, C.; Tremblay, M.S.; Sallis, J.F. (BioMed Central, 2016)
    Background: Built environment and policy interventions are effective strategies for controlling the growing worldwide deaths from physical inactivity-related non-communicable diseases. To improve built environment research ...
  • Mid-upper arm circumference as a screening tool for identifying children with obesity: a 12-country study 

    Chaput, J.P.; Katzmarzyk, P.T.; Barnes, J.D.; Fogelholm, M.; Hu, G.; Kuriyan, R.; Kurpad, A.; Lambert, E.V.; Maher, C.; Maia, J.; Matsudo, V.; Olds, T.; Onywera, V.; Sarmiento, O. L.; Standage, M.; Tudor-Locke, C.; Zhao, P.; Tremblay1, M.S. (World Obesity Federation, 2016)
    Background: No studies have examined if mid-upper arm circumference (MUAC) can be an alternative screening tool for obesity in an international sample of children differing widely in levels of human development. Objective: ...
  • Maternal gestational diabetes and childhood obesity at age 9–11: results of a multinational study 

    Zhao, P.; Liu, E.; Qiao, Y.; Katzmarzyk, PT.; Chaput, Jean-Philippe; Fogelholm, M.; Johnson, W.D; Kuriyan, R.; Kurpad, A.; Lambert, E.V.; Maher, C.; Maia, J.A.R.; Matsudo, V.; Olds, T.; Onywera, V.; Sarmiento, O.L.; Standage, M.; Tremblay, M.S.; Tudor-Locke, C.; Hu, G. (Springer-Verlag Berlin Heidelberg, 2016)
    Aims/hypothesis The aim of this study was to examine the association between maternal gestational diabetes mellitus (GDM) and childhood obesity at age 9–11 years in 12 countries around the world. Methods A multinational ...
  • Introduction to the Global Matrix 2.0: Report Card Grades on the Physical Activity of Children and Youth Comparing 38 Countries 

    Tremblay, M.S.; Gonzalez, S.A.; Katzmarzyk, P.T.; Onywera, V.O.; Reilly, J.J.; Tomkinson, G. (Human Kinetics, 2016)
  • Global Matrix 2.0: Report Card Grades on the Physical Activity of Children and Youth Comparing 38 Countries 

    Tremblay, M.S.; Barnes, J.D.; González, S.A.; Katzmarzyk, P.T.; Onywera, V.O.; Reilly, J.J.; Tomkinson, G.R.; Global Matrix 2.0 Research Team (Human Kinetics, 2016)
    The Active Healthy Kids Global Alliance organized the concurrent preparation of Report Cards on the physical activity of children and youth in 38 countries from 6 continents (representing 60% of the world’s population). ...
  • Demographic characteristics of elite Kenyan endurance runners 

    Onywera, V.O.; Scott, R.A.; Boit, M.K.; Pitsiladis, Y.P. (Taylor & Francis, 2006)
    Kenyan athletes have dominated international distance running in recent years. Explanations for their success include favourable physiological characteristics, which could include favourable genetic endowment, and ...
  • Demographic characteristics of elite Kenyan endurance runners 

    Onywera, V.O.; Scott, R.A.; Boit, M.K.; Pitsiladis, Y.P. (Taylor & Francis Group, 2016)
    Kenyan athletes have dominated international distance running in recent years. Explanations for their success include favourable physiological characteristics, which could include favourable genetic endowment, and ...
  • Proportion of children meeting recommendations for 24-hour movement guidelines and associations with adiposity in a 12-country study 

    Blanca, Roman-Viñas; Chaput, Jean-Philippe; Katzmarzyk, Peter T.; Fogelholm, Mikael; Lambert, Estelle V.; Maher, Carol; Maia, Jose; Olds, Timothy; Onywera, Vincent; Sarmiento, Olga L.; Standage, Martyn; Catrine, Tudor-Locke; Tremblay, Mark S. (2016)
    Background: The Canadian 24-h movement guidelines were developed with the hope of improving health and future health outcomes in children and youth. The purpose of this study was to evaluate adherence to the 3 recommendations ...
  • Are the correlates of active school transport context-specific? 

    Larouche, R.; Sarmiento, O.L.; Broyles, S.T.; Denstel, K.D.; Church, T.S.; Barreira, T.V.; Chaput, J-P; Fogelholm, M.; Hu, G.; Kuriyan, R.; Kurpad, A.; Lambert, V.; Maher, C.; Maia, J.; Matsudo, V.; Olds, T.; Onywera, V.; Standage, M.; Tremblay, M.S.; Tudor-Locke, C.; Zhao, P.; Katzmarzyk, P.T. (Macmillan Publishers Limited, 2015)
    OBJECTIVES: Previous research consistently indicates that children who engage in active school transport (AST) are more active than their peers who use motorized modes (car or bus). However, studies of the correlates of ...

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