Elin Kolle

Elin Kolle
Norwegian School of Sport Sciences (NIH) · Department of Sports Medicine

PhD

About

103
Publications
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2,307
Citations

Publications

Publications (103)
Article
Full-text available
Background Access to screen-based media has been revolutionized during the past two decades. How this has affected sedentary time (ST) accumulation in children is poorly understood. Methods This study, based on the Physical Activity among Norwegian Children Study (PANCS), uses accelerometer data from population-based samples of 9- and 15-year-olds...
Article
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Background Active travel (cycling or walking to school) can be a substantial part of adolescents' daily physical activity. Research on transport activities primarily relies on self-reported indices of travel mode and travel time. However, many researchers do not report the psychometric properties of their instruments. The Health Behavior in School-...
Article
Full-text available
Little information exists on the mechanism of how physical activity interventions effects academic performance. We examined whether the effects of a school-based physical activity intervention on academic performance were mediated by aerobic fitness. The School in Motion study was a nine-month cluster randomized controlled trial between September 2...
Article
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Objectives To investigate the associations for one-year changes in cardiorespiratory fitness, muscular strength and body mass index, with psychological difficulties status in adolescents. Methods Norwegian 14-15-year-olds (n = 925) participated in data collection at two time points separated by one year. Psychological difficulties were assessed vi...
Article
Full-text available
Background School-based physical activity interventions evaluating the effect on academic performance usually includes children. We aimed to investigate the effect of a nine-month, school-based physical activity intervention titled School in Motion (ScIM) on academic performance in adolescents. Methods Thirty secondary schools in Norway were clust...
Article
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Background: There is a scarcity of device measured data on temporal changes in physical activity (PA) in large population-based samples. The purpose of this study is to describe gender and age-group specific temporal trends in device measured PA between 2005, 2011 and 2018 by comparing three nationally representative samples of children and adoles...
Article
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Background Body image is considered a core issue for public health and associates with university students’ overall health. Due to positive associations between exercise and body image, it has been suggested that students within an exercise science program might be more body appreciative compared to other students. On the other hand, the strong soc...
Article
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Purpose The Structured Days Hypothesis (SDH) posits that children’s behaviors associated with obesity – such as physical activity – are more favorable on days that contain more ‘structure’ (i.e., a pre-planned, segmented, and adult-supervised environment) such as school weekdays, compared to days with less structure, such as weekend days. The purpo...
Article
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Background Physical inactivity and unhealthy diet are key behavioral determinants underlying obesity. The neighborhood environment represents an important arena for modifying these behaviors, and hence reliable and valid tools to measure it are needed. Most existing virtual audit tools have been designed to assess either food or activity environmen...
Article
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Background Physical activity (PA) declines throughout adolescence, therefore PA promotion during this period is important. We analyzed the effect of two school-based PA interventions on daily PA levels, cardiorespiratory fitness (CRF) and muscle strength among adolescents. Methods For the nine-month School in Motion intervention study (ScIM), we c...
Article
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Low and high birth weight is associated with higher levels of cardiometabolic risk factors and adiposity in children and adolescents, and increases the risk of cardiovascular diseases, obesity, and early mortality later in life. Moderate-to-vigorous physical activity (MVPA) is associated with lower cardiometabolic risk factors and may mitigate the...
Article
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Introduction Walking is free, does not require special training, and can be done almost everywhere. Therefore, walking is a feasible behavior on which to tailor public health messages. This study assess the prospective association and dose‐response relationship between daily steps and all‐cause mortality. Materials and Methods Daily steps were mea...
Article
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We examined both direct and indirect effects of the Healthy Body Image (HBI) intervention on positive embodiment among Norwegian high school students. In total, 2446 12th grade boys (43 %) and girls (mean age 16.8 years) from 30 schools participated in a cluster-randomized controlled study with the HBI intervention and a control condition as the st...
Article
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Purpose To investigate the effects of two school-based physical activity interventions on mental health in Norwegian adolescents. Methods Students from 29 lower secondary schools in Norway (n = 2084; 14–15 years; 49% female) were cluster-randomized into either a control group or one of two intervention groups (M1 and M2). Two interventions based o...
Article
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Background: Studies indicate that health-related components of physical fitness are associated with mental health outcomes. However, research is scarce concerning this relationship in young adolescents in general and non-existent in Norwegian populations specifically. The aim of the study was to examine whether body composition, muscular strength...
Article
Full-text available
Background: Levels of physical activity and variation in physical activity and sedentary time by place and person in European children and adolescents are largely unknown. The objective of the study was to assess the variations in objectively measured physical activity and sedentary time in children and adolescents across Europe. Methods: Six da...
Preprint
Full-text available
Background: Studies indicate that cardiorespiratory fitness, muscular strength and body composition are associated with mental health. However, research is scarce concerning this relationship in young adolescents in general and non-existent in Norwegian populations specifically. The aim of the study was to examine the relationship between different...
Preprint
Full-text available
Background: Studies indicate that health-related components of physical fitness are associated with mental health outcomes. However, research is scarce concerning this relationship in young adolescents in general and non-existent in Norwegian populations specifically. The aim of the study was to examine whether body composition, muscular strength a...
Preprint
Full-text available
Background: Studies indicate that health-related components of physical fitness are associated with mental health outcomes. However, research is scarce concerning this relationship in young adolescents in general and non-existent in Norwegian populations specifically. The aim of the study was to examine whether body composition, muscular strength a...
Preprint
Full-text available
Background: Participation in regular physical activity (PA) is important for both physical and mental health, and positive associations have also been reported between PA and academic performance. However, PA levels decline markedly during adolescence. School in motion (ScIM) is a school-based PA intervention carried out over one school year, in a...
Article
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Objectives: Positive embodiment and healthy lifestyle habits seem to be related; therefore, stimulating positive embodiment should promote healthy lifestyle habits. In the current study, we delivered the Healthy Body Image (HBI) intervention among Norwegian high school students and examined the effects on healthy lifestyle habits. Methods: The H...
Article
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Background: Evidence on the association between sitting for extended periods (i.e. prolonged sedentary time (PST)) and cardio-metabolic health is inconsistent in children. We aimed to estimate the differences in cardio-metabolic health associated with substituting PST with non-prolonged sedentary time (non-PST), light (LIPA) or moderate-to-vigorou...
Article
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The aims of the present study were 1) to assess PA level and prevalence meeting PA recommendations at onset and after 12 months of fitness club membership, and 2) to identify socioeconomic status (SES), and compare this in participants with high (≥two weekly sessions) and low (≤one exercise session/week) exercise frequency. PA level was measured by...
Article
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Objectives: High maternal pre-pregnancy body mass index (BMI), high birth weight and rapid infant weight gain are associated with increased risk of childhood obesity. We examined whether moderate-to-vigorous physical activity (MVPA) or vigorous physical activity (VPA) in 9 to 12-year-olds modified the associations between these early life risk fac...
Article
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Following publication of the original article [1], the author reported that the name of the collaborator group was missing from the author group.
Article
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Background: Accelerometers are widely used to assess child physical activity (PA) levels. Using the accelerometer data, several PA metrics can be estimated. Knowledge about the relationships between these different metrics can improve our understanding of children's PA behavioral patterns. It also has significant implications for comparing PA metr...
Article
Full-text available
We examined the effects of the Healthy Body Image (HBI) intervention on positive embodiment andhealth-related quality of life among Norwegian high school students. The intervention comprised threeinteractive workshops, with body image, media literacy, and lifestyle as main themes. In total, 2,44612thgrade boys (43%) and girls (mean age 16.8 years)...
Article
Full-text available
Aerobic fitness is an apparent candidate for screening children and youth for poor cardiometabolic health and future risk of cardiovascular disease (CVD). Yet, age‐ and sex‐specific cut points for children and youth determined using a maximal protocol and directly measured peak oxygen consumption (VO2peak) does not exist. We used a nationally repre...
Article
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Purpose The pandemic of physical inactivity is recognized globally but there is a scarcity of studies employing valid and reliable assessment methods of physical activity (PA) across the lifespan. The purpose of this study is to provide a comprehensive description of objectively measured PA, sedentary time, and prevalence of meeting PA recommendati...
Article
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Introduction: Sedentary time and time spent in various intensity-specific physical activity are co-dependent, and increasing time spent in one behaviour requires decreased time in another. Objective: The aim of the present study was to examine the theoretical associations with reallocating time between categories of intensities and cardiometabol...
Article
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Background: The aim of this study was to investigate how sleep, screen time, active school travel and sport and/or exercise participation associates with moderate-to-vigorous physical activity (MVPA) in nationally representative samples of Norwegian 9- and 15-y-olds, and whether these four behaviors at age nine predict change in MVPA from age nine...
Poster
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Session Title: Correlates and Behavioral Aspects of Physical Activity in Youth and Teens Session Number: C-41 Session Viewing Date/Time: Thursday May 31, 2018 7:30 AM - 12:30 PM Presentation Time: 9:00am - 10:30am Poster Board Number: 146 ABSTRACT BACKGROUND: Being physically active is associated with a positive body image (PBI)(1). Gyms offer a p...
Article
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Background: Body dissatisfaction and disordered eating raise the risk for eating disorders. In the prevention of eating disorders, many programmes have proved partly successful in using cognitive techniques to combat such risk factors. However, specific strategies to actively promote a positive body image are rarely used. The present paper outline...
Article
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Background Substantial evidence suggests that weight gain in early life is associated with increased adiposity and other metabolic disorders later in life. It is, however, unknown whether physical activity (PA) may modify these associations. We aimed to examine whether objectively measured PA at 30 years modified the associations between conditiona...
Article
Full-text available
BACKGROUND: Substantial evidence suggests that weight gain in early life is associated with increased adiposity and other metabolic disorders later in life. It is, however, unknown whether physical activity (PA) may modify these associations. We aimed to examine whether objectively measured PA at 30 years modified the associations between condition...
Article
Full-text available
Background Built environments that are designed to provide accessible, attractive, and convenient locales promote regular physical activity (PA). Norway has great variability in its geographic, natural, and built environment features. Urban areas have well-developed built environment features, whereas the rural areas are less walkable and this may...
Article
Objectives: High levels of physical activity (PA) may prevent the development of obesity. However, the magnitude and direction of the association between PA of various intensities, sedentary time and weight status remain unclear. Thus, we examined whether objectively measured sedentary time and PA independently predict gain in body weight, change i...
Data
Figure S1: Flow‐chart of the study samples in the Physical Activity among Norwegian Children Studies. * 1,119 of the 1,306 9‐year‐olds that participated in PANCS1 were found and invited to participate in PANCS2 as 15‐year‐olds. ** Includes participants from the cross‐sectional samples in PANCS1 and 2, and the prospective sample followed from PANCS1...
Article
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Objective To study the cross‐sectional and prospective associations between physical activity (PA) of different intensities, body mass index (BMI) and waist circumference (WC) in children and adolescents using isotemporal substitution modelling. Methods Physical activity (accelerometry), BMI and WC were assessed in 6‐ (n = 970), 9‐ (n = 2,423) and...
Article
Purpose: 1) To investigate if physical activity (PA) and sedentary time (ST) in 9- and 15-year-olds differed between 2005-06 and 2011-12 (secular change) and: 2) to investigate changes in PA and ST from age 9 to 15 (longitudinal change). Methods: In 2005-06, we invited nationally representative samples of Norwegian 9- (n=1470) and 15-year-olds (...
Article
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Background Up-to-date research on musculoskeletal- and neuromotor fitness (MSMF) is lacking. The aims of the present paper were to a) establish normative values of MSMF by gender and age, and b) to assess how much of the variance in MSMF can be explained by obesity in adults. MethodsA random selection of 726 Norwegians (20–65 years) participated in...
Technical Report
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Denne rapporten tar for seg følgende problemstillinger: Hva kjennetegner ungdom og unge voksnes bruk av uterom? Hva stimulerer til økt bruk? Hvilke virkemidler har forvaltningen for å stimulere til økt bruk av uterom, parker og plasser? Som del av områdesatsingen for indre Oslo øst og særlig Områdeløft Tøyen, har myndighetene satt av midler til opp...
Article
Purpose: We aimed to determine if moderate-to-vigorous physical activity (MVPA) and sedentary behavior (SB) were independently associated with body mass index (BMI) and waist circumference (WC) in children and adolescents. Methods: Data from the International Children's Accelerometry Database (ICAD) were used to address our objectives (N=11,115;...
Article
Full-text available
Objective: To study the associations between: 1) number of permanent outdoor play facilities per pupil and 2) the size of the outdoor play area per pupil with sedentary time and physical activity (PA) during school hours in six-, nine-, and 15-year olds. We conducted a cross-sectional study of nationally representative samples of Norwegian six- (n...
Article
Full-text available
Background There is limited normative, objective data combining musculoskeletal fitness (MSF), balance and physical activity (PA) among older adults. The aims were therefore to; 1) describe MSF and balance in older Norwegian adults focusing on age- and sex-related differences; 2) investigate the associations among MSF, balance and objectively-asses...
Article
The prevalence of obesity presents serious public health challenges worldwide and is most commonly estimated by the categorization of body mass index (BMI). The purpose of this study was (i) to describe the sensitivity of BMI, waist circumference (WC) and fat mass percentage in the classification of overweight and obesity and (ii) to describe the p...