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List of works by Xanne Janssen

'Jump start' childcare-based intervention to promote physical activity in pre-schoolers: six-month findings from a cluster randomised trial

scientific article published on 16 January 2020

A Mixed Methods Evaluation of a Digital Intervention to Improve Sedentary Behaviour Across Multiple Workplace Settings

scientific article published on 24 June 2020

An Integrative, Systematic Review Exploring the Research, Effectiveness, Adoption, Implementation, and Maintenance of Interventions to Reduce Sedentary Behaviour in Office Workers

scientific article published on 15 December 2018

Appropriateness of the definition of 'sedentary' in young children: Whole-room calorimetry study

scientific article published on 30 July 2014

Associations of screen time, sedentary time and physical activity with sleep in under 5s: A systematic review and meta-analysis

scientific article published on 01 November 2019

Bidirectional Associations Between Adiposity, Sedentary Behavior, and Physical Activity: A Longitudinal Study in Children

scientific article published on 07 November 2018

Canadian 24-Hour Movement Guidelines for the Early Years (0-4 years): An Integration of Physical Activity, Sedentary Behaviour, and Sleep

scientific article published on 20 November 2017

Changes in Physical Activity, Sitting and Sleep across the COVID-19 National Lockdown Period in Scotland

scientific article published on 14 December 2020

Changes in Sitting Time and Sitting Fragmentation after a Workplace Sedentary Behaviour Intervention.

scientific article published in June 2018

Determinants of changes in sedentary time and breaks in sedentary time among 9 and 12 year old children

scientific article

Development of sedentary behavior across childhood and adolescence: longitudinal analysis of the Gateshead Millennium Study

scientific article published on 02 August 2016

Energy expenditure associated with posture transitions in preschool children

scientific article published on 15 April 2019

Evaluation of Actical equations and thresholds to predict physical activity intensity in young children

scientific article published on 26 September 2014

Failure to Launch: Predictors of Unfavourable Physical Activity and Sedentary Behaviour Trajectories from Childhood to Adolescence: The Gateshead Millennium Study

Feasibility of wearable cameras to assess screen time and time spent restrained in children aged 3 to 5 years: a study protocol

scientific article published on 22 May 2019

GRADE-ADOLOPMENT Process to Develop 24-Hour Movement Behavior Recommendations and Physical Activity Guidelines for the Under 5s in the United Kingdom, 2019

scientific article published on 01 January 2020

Increasing physical activity among young children from disadvantaged communities: study protocol of a group randomised controlled effectiveness trial

scientific article

Issues Related to Measuring and Interpreting Objectively Measured Sedentary Behavior Data

article by Xanne Janssen et al published 3 July 2015 in Measurement in Physical Education and Exercise Science

Longitudinal changes in moderate-to-vigorous-intensity physical activity in children and adolescents: A systematic review and meta-analysis

scientific article published on 23 October 2019

Longitudinal changes in vigorous intensity physical activity from childhood to adolescence: Gateshead Millennium Study

scientific article published on 06 November 2018

Longitudinal levels and bouts of sedentary time among adolescent girls

scientific article

Longitudinal study of the associations between change in sedentary behavior and change in adiposity during childhood and adolescence: Gateshead Millennium Study.

scientific article

Measuring the Daily Activity of Lying Down, Sitting, Standing and Stepping of Obese Children Using the ActivPALTMActivity Monitor

scientific article published on 01 April 2017

Moderate-To-Vigorous Intensity Physical Activity and Sedentary Behaviour across Childhood and Adolescence, and Their Combined Relationship with Obesity Risk: A Multi-Trajectory Analysis

Mothers' perceptions of child weight status and the subsequent weight gain of their children: a population-based longitudinal study

scientific article

Non-linear longitudinal associations between moderate-to-vigorous physical activity and adiposity across the adiposity distribution during childhood and adolescence: Gateshead Millennium Study

Objective measurement of sedentary behavior: impact of non-wear time rules on changes in sedentary time

scientific article published on 23 May 2015

Pilot Testing of a Nudge-Based Digital Intervention (Welbot) to Improve Sedentary Behaviour and Wellbeing in the Workplace

scientific article published on 10 August 2020

Practical utility and reliability of whole-room calorimetry in young children

scientific article published on 19 September 2012

Pragmatic evaluation of the Go2Play Active Play intervention on physical activity and fundamental movement skills in children

scientific article

Predictive validity and classification accuracy of ActiGraph energy expenditure equations and cut-points in young children

scientific article

Promoting physical activity among adolescent girls: the Girls in Sport group randomized trial

scientific article

Sedentary time, physical activity and compliance with IOM recommendations in young children at childcare

scientific article published on 21 December 2016

Should We Scale-Up? A Mixed Methods Process Evaluation of an Intervention Targeting Sedentary Office Workers Using the RE-AIM QuEST Framework

scientific article published on 29 December 2019

Subjective and objective assessment of sedentary behavior among college employees.

scientific article published on 19 June 2018

Systematic review of the relationships between sedentary behaviour and health indicators in the early years (0-4 years).

scientific article published on 20 November 2017

Timing of the decline in physical activity in childhood and adolescence: Gateshead Millennium Cohort Study

scientific article published on 13 March 2017

Validation and calibration of the activPAL™ for estimating METs and physical activity in 4-6 year olds

scientific article

Validation of activPAL defined sedentary time and breaks in sedentary time in 4- to 6-year-olds

scientific article published on 29 August 2013

Validation of the SenseWear Mini activity monitor in 5-12-year-old children.

scientific article published on 6 May 2016

Wrist Acceleration Cut-points for Moderate-to-Vigorous Physical Activity in Youth.

scientific article published on 10 October 2017

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