List of works - Vincent O Onywera

A model for presenting accelerometer paradata in large studies: ISCOLE.

scientific article published on 20 April 2015

A systematic review of active transportation research in Africa and the psychometric properties of measurement tools for children and youth

scientific article

Adolescent elite Kenyan runners are at risk for energy deficiency, menstrual dysfunction and disordered eating

scientific article

Analysis of the Kenyan distance-running phenomenon

scientific article

Are Children Like Werewolves? Full Moon and Its Association with Sleep and Activity Behaviors in an International Sample of Children

scientific article published on 24 March 2016

Association between breakfast frequency and physical activity and sedentary time: a cross-sectional study in children from 12 countries

Associations Between Parental Perceptions of the Neighborhood Environment and Childhood Physical Activity: Results from ISCOLE-Kenya

scientific article published on 13 August 2015

Associations of neighborhood social environment attributes and physical activity among 9-11 year old children from 12 countries

scientific article published on 22 May 2017

Breastfeeding and childhood obesity: A 12-country study

scientific article published on 05 March 2020

Child obesity and fitness levels among Kenyan and Canadian children from urban and rural environments: a KIDS-CAN Research Alliance Study

scientific article

Childhood obesity and physical inactivity threat in Africa: strategies for a healthy future

scientific article published on June 2010

Construct validity of the neighborhood environment walkability scale for Africa

scientific article published on 21 October 2016

Correlates of Total Sedentary Time and Screen Time in 9-11 Year-Old Children around the World: The International Study of Childhood Obesity, Lifestyle and the Environment

scientific article published on 11 June 2015

Correlates of compliance with recommended levels of physical activity in children.

scientific article published on 28 November 2017

Correlates of objectively measured overweight/obesity and physical activity in Kenyan school children: results from ISCOLE-Kenya

scientific article

Direct and self-reported measures of physical activity and sedentary behaviours by weight status in school-aged children: results from ISCOLE-Kenya

scientific article published on 15 July 2014

East African runners: their genetics, lifestyle and athletic prowess

scientific article

Epidemiological Transition in Physical Activity and Sedentary Time in Children

scientific article published on 01 June 2019

European athletes dominate performances in Double Iron ultra-triathlons--a retrospective data analysis from 1985 to 2010.

scientific article

Evidence of an overweight/obesity transition among school-aged children and youth in Sub-Saharan Africa: a systematic review

scientific article

Global Matrix 2.0: Report Card Grades on the Physical Activity of Children and Youth Comparing 38 Countries.

scientific article

Health-Related Quality of Life and Lifestyle Behavior Clusters in School-Aged Children from 12 Countries

scientific article published on 10 January 2017

Household-level correlates of children's physical activity levels in and across 12 countries

scientific article

Improving wear time compliance with a 24-hour waist-worn accelerometer protocol in the International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE)

scientific article

Joint association of birth weight and physical activity/sedentary behavior with obesity in children ages 9-11 years from 12 countries.

scientific article published in June 2017

Joint associations between weekday and weekend physical activity or sedentary time and childhood obesity

scientific article published on 31 January 2019

Male and female Ethiopian and Kenyan runners are the fastest and the youngest in both half and full marathon

scientific article published on 29 February 2016

Maternal gestational diabetes and childhood obesity at age 9-11: results of a multinational study.

scientific article

NEWS for Africa: adaptation and reliability of a built environment questionnaire for physical activity in seven African countries.

scientific article published on 8 March 2016

Outdoor time and dietary patterns in children around the world

scientific article published on 01 December 2018

Participation and performance trends in 100-km ultra-marathons worldwide

scientific article

Participation and performance trends of East-African runners in Swiss half-marathons and marathons held between 2000 and 2010

scientific article

Performance and age of African and non-African runners in World Marathon Majors races 2000-2014.

scientific article published on 19 July 2016

Performance and age of African and non-African runners in half- and full marathons held in Switzerland, 2000-2010

scientific article published on 24 July 2013

Physical Activity, Sedentary Time, and Obesity in an International Sample of Children

scientific article published on 7 March 2015

Physical Education Classes, Physical Activity, and Sedentary Behavior in Children.

scientific article published on 15 December 2017

Physical activity of children: a global matrix of grades comparing 15 countries

scientific article published on May 2014

Prevalence of Overweight and Obesity among Primary School Children Aged 8-13 Years in Dar es Salaam City, Tanzania

scientific article published on 14 June 2016

Proportion of children meeting recommendations for 24-hour movement guidelines and associations with adiposity in a 12-country study

scientific article

Relationship between Soft Drink Consumption and Obesity in 9-11 Years Old Children in a Multi-National Study

scientific article

Relationship between lifestyle behaviors and obesity in children ages 9-11: Results from a 12-country study

scientific article published on 14 July 2015

Relationships Between Outdoor Time, Physical Activity, Sedentary Time, and Body Mass Index in Children: A 12-Country Study

scientific article published on 10 October 2018

Relationships between Parental Education and Overweight with Childhood Overweight and Physical Activity in 9-11 Year Old Children: Results from a 12-Country Study

scientific article

Research priorities for child and adolescent physical activity and sedentary behaviours: an international perspective using a twin-panel Delphi procedure

scientific article published on 24 October 2013

Results From Kenya's 2016 Report Card on Physical Activity for Children and Youth

scientific article

Results from Kenya's 2014 Report Card on the Physical Activity and Body Weight of Children and Youth

scientific article

Road accidents: a third burden of 'disease' in sub-Saharan Africa

scientific article

Running Performance, Nationality, Sex, and Age in the 10-km, Half-Marathon, Marathon, and the 100-km Ultramarathon IAAF 1999-2015.

scientific article published on August 2017

Sleep characteristics and health-related quality of life in 9- to 11-year-old children from 12 countries

scientific article published on 04 November 2019

Sleep patterns and sugar-sweetened beverage consumption among children from around the world.

scientific article published on 23 April 2018

Socioeconomic status and dietary patterns in children from around the world: different associations by levels of country human development?

scientific article

Temporal trends and correlates of physical activity, sedentary behaviour, and physical fitness among school-aged children in Sub-Saharan Africa: a systematic review

scientific article published on 20 March 2014

The ACTN3 R577X polymorphism in East and West African athletes

scientific article

The International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE): design and methods

scientific article

List of works by Vincent O Onywera

A model for presenting accelerometer paradata in large studies: ISCOLE.

A systematic review of active transportation research in Africa and the psychometric properties of measurement tools for children and youth

Adolescent elite Kenyan runners are at risk for energy deficiency, menstrual dysfunction and disordered eating

Analysis of the Kenyan distance-running phenomenon

Are Children Like Werewolves? Full Moon and Its Association with Sleep and Activity Behaviors in an International Sample of Children

Association between breakfast frequency and physical activity and sedentary time: a cross-sectional study in children from 12 countries

Associations Between Parental Perceptions of the Neighborhood Environment and Childhood Physical Activity: Results from ISCOLE-Kenya

Associations of neighborhood social environment attributes and physical activity among 9-11 year old children from 12 countries

Breastfeeding and childhood obesity: A 12-country study

Child obesity and fitness levels among Kenyan and Canadian children from urban and rural environments: a KIDS-CAN Research Alliance Study

Childhood obesity and physical inactivity threat in Africa: strategies for a healthy future

Construct validity of the neighborhood environment walkability scale for Africa

Correlates of Total Sedentary Time and Screen Time in 9-11 Year-Old Children around the World: The International Study of Childhood Obesity, Lifestyle and the Environment

Correlates of compliance with recommended levels of physical activity in children.

Correlates of objectively measured overweight/obesity and physical activity in Kenyan school children: results from ISCOLE-Kenya

Direct and self-reported measures of physical activity and sedentary behaviours by weight status in school-aged children: results from ISCOLE-Kenya

East African runners: their genetics, lifestyle and athletic prowess

Epidemiological Transition in Physical Activity and Sedentary Time in Children

European athletes dominate performances in Double Iron ultra-triathlons--a retrospective data analysis from 1985 to 2010.

Evidence of an overweight/obesity transition among school-aged children and youth in Sub-Saharan Africa: a systematic review

Global Matrix 2.0: Report Card Grades on the Physical Activity of Children and Youth Comparing 38 Countries.

Health-Related Quality of Life and Lifestyle Behavior Clusters in School-Aged Children from 12 Countries

Household-level correlates of children's physical activity levels in and across 12 countries

Improving wear time compliance with a 24-hour waist-worn accelerometer protocol in the International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE)

Joint association of birth weight and physical activity/sedentary behavior with obesity in children ages 9-11 years from 12 countries.

Joint associations between weekday and weekend physical activity or sedentary time and childhood obesity

Male and female Ethiopian and Kenyan runners are the fastest and the youngest in both half and full marathon

Maternal gestational diabetes and childhood obesity at age 9-11: results of a multinational study.

NEWS for Africa: adaptation and reliability of a built environment questionnaire for physical activity in seven African countries.

Outdoor time and dietary patterns in children around the world

Participation and performance trends in 100-km ultra-marathons worldwide

Participation and performance trends of East-African runners in Swiss half-marathons and marathons held between 2000 and 2010

Performance and age of African and non-African runners in World Marathon Majors races 2000-2014.

Performance and age of African and non-African runners in half- and full marathons held in Switzerland, 2000-2010

Physical Activity, Sedentary Time, and Obesity in an International Sample of Children

Physical Education Classes, Physical Activity, and Sedentary Behavior in Children.

Physical activity of children: a global matrix of grades comparing 15 countries

Prevalence of Overweight and Obesity among Primary School Children Aged 8-13 Years in Dar es Salaam City, Tanzania

Proportion of children meeting recommendations for 24-hour movement guidelines and associations with adiposity in a 12-country study

Relationship between Soft Drink Consumption and Obesity in 9-11 Years Old Children in a Multi-National Study

Relationship between lifestyle behaviors and obesity in children ages 9-11: Results from a 12-country study

Relationships Between Outdoor Time, Physical Activity, Sedentary Time, and Body Mass Index in Children: A 12-Country Study

Relationships between Parental Education and Overweight with Childhood Overweight and Physical Activity in 9-11 Year Old Children: Results from a 12-Country Study

Research priorities for child and adolescent physical activity and sedentary behaviours: an international perspective using a twin-panel Delphi procedure

Results From Kenya's 2016 Report Card on Physical Activity for Children and Youth

Results from Kenya's 2014 Report Card on the Physical Activity and Body Weight of Children and Youth

Road accidents: a third burden of 'disease' in sub-Saharan Africa

Running Performance, Nationality, Sex, and Age in the 10-km, Half-Marathon, Marathon, and the 100-km Ultramarathon IAAF 1999-2015.

Sleep characteristics and health-related quality of life in 9- to 11-year-old children from 12 countries

Sleep patterns and sugar-sweetened beverage consumption among children from around the world.

Socioeconomic status and dietary patterns in children from around the world: different associations by levels of country human development?

Temporal trends and correlates of physical activity, sedentary behaviour, and physical fitness among school-aged children in Sub-Saharan Africa: a systematic review

The ACTN3 R577X polymorphism in East and West African athletes

The International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE): design and methods