School sport policy and school-based physical activity environments and their association with observed physical activity in middle school children

System for Observing Play and Leisure Activity in Youth: A Systematic Review of US and Canadian Studies

BACKGROUND

The System of Observing Play and Leisure Activity in Youth (SOPLAY) has assisted in providing valid and reliable data of youth physical activity and characteristics specific to environmental contexts. The review aimed to examine empirical research that employed the SOPLAY instrument to measure physical activity in leisure-based activity environments in North American countries.

METHODS

The review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses. A systematic search was conducted with an exhaustive process using 10 electronic databases to locate peer-reviewed studies implementing SOPLAY that were published between 2000 and 2021.

RESULTS

A total of 60 studies were included in the review. Most studies (n = 35) reported physical activity findings related to contextual characteristics measured using SOPLAY. Interestingly, a few of the studies (n = 8) found the provision of equipment and supervision, particularly adult supervision, significantly increased child physical activity observed.

CONCLUSIONS

This review provides information relative to the group-level physical activity observed across multiple contexts (ie, playgrounds, parks, recreation centers) using a validated direct observation instrument.

Sports Participation, Frequency, and Competence Differentially Impact Youth Depressive, Anxious, and Somatic Symptoms: Gender, Neighborhood, and Sports Type Effects

Mental health problems are prevalent in adolescence, but sports participation may offer mental health benefits through this developmental period and beyond. Characteristics of sports participation including perceived frequency and competence may differentially predict adolescent depressive, anxious, and somatic symptoms over time and results may further vary according to gender, neighborhood context, and type of sport engagement. Data were collected at two time-points six months apart from an ethnically diverse sample of adolescents (N = 183, female = 51%). Youth sports participation and symptoms were measured using the Youth Self-Report (YSR; Achenbach & Rescorla, 2001). Path analyses were used to test for main and moderating effects of sports on symptoms. Results showed that categorical sports participation did not prospectively predict any type of internalizing symptoms, but perceived frequency and competence did. Competence predicted lower levels of symptoms while frequency predicted higher levels of symptoms. These results were further moderated by gender, neighborhood, and sport type such that frequency and competence predicted symptoms for girls and for youth in more resourced neighborhoods and who participated in team sports. These findings highlight the impact that sports participation can have on adolescent mental health in an ethnically diverse sample of urban youth.

Ecological correlates of sport and exercise participation among Thai adolescents: A hierarchical examination of a cross-sectional population survey

BACKGROUND

Understanding factors influencing adolescents' sport/exercise participation (S/EP) is vital to developing effective interventions, but currently, evidence from less developed countries is limited. The purpose of this study was to examine correlates of S/EP across individual, interpersonal, and environmental levels in a nationally representative sample of Thai adolescents.

METHODS

Data from 4617 Thai adolescents aged 14-17 years old were obtained from recruited schools across Thailand. Data on S/EP (outcome variable), and psychosocial, home, and community environment covariates were collected from individual adolescents using the Thailand Physical Activity Children Survey, Student Questionnaire. School environmental data were collected at the school level using a School Built Environment Audit. Hierarchical regressions taking into account school clustering effects were applied for data analysis.

RESULTS

At the individual level, age and body mass index were independently and strongly correlated with S/EP. Adolescents with high preference for physical activity (PA) (odd ratio (OR) = 1.71, p < 0.001) and at least a moderate level of self-efficacy (OR = 1.33, p = 0.001) were more likely to have high S/EP. At the interpersonal level, adolescents whose parents joined their sports/exercise at least 1-2 times/week (OR = 1.36, p = 0.003) received ≥3 types of parental support (OR = 1.43, p = 0.005) and who received siblings' (OR = 1.26, p = 0.004) and friends' (OR = 1.99, p < 0.001) support had a greater chance of high S/EP. At the environmental level, adolescents' S/EP was greater when there were at least 3-4 pieces of home sport/exercise equipment (OR = 2.77, p = 0.003), grass areas at school (OR = 1.56, p < 0.001), and at least 1-2 PA facilities in the community (OR = 1.30, p = 0.009).

CONCLUSION

Multiple factors at different levels within an ecological framework influencing Thai adolescents' S/EP were generally similar to those found in developed countries, despite some differences. For those interested in promoting and supporting Thai adolescents' engagement in sports/exercise, further exploration of the influence of self-efficacy and attitude toward PA is required at the individual level; parental and peer support at the interpersonal level; and home sport equipment, school grass areas, and neighborhood PA facilities at the environment level.

The health and educational impact of removing financial constraints for school sport

Financial barriers often restrict sport participation among children from low-income families. Schools are thought to offer equitable access to programming, including school sport participation. However, pay-to-play school sport models can inhibit participation among students from low-income households. Recognizing the potential benefits of school sport and realizing the financial barriers to participation, the purpose of this study was to understand the extent to which school sport promotes educational experiences and holistic well-being of Canadian youth from low-income families. A case study was conducted with stakeholders who were supported by funding from a non-profit organization to help cover the costs of school sport registration fees. Data were collected from in-depth interviews with low-income students and their parents, teacher-coaches and school administrators. Three overarching themes were representative of the experiences of school sport participation among low-income students: (1) healthy student-athletes, (2) developing student-athletes in school, for life, and (3) supporting student-athletes as a community. The participants perceived that school sport participation offered holistic health benefits, and developed skills and behaviours that support positive educational experiences and foster life skills. Further, our results highlighted the importance of the school community in supporting low-income students to participate in school sport teams and the need to reframe school sport to better support low-income families.

The effect of school year and summer break in health-related cardiorespiratory fitness: A 2-year longitudinal analysis

This study aimed to assess the trends of health-related cardiorespiratory fitness (CRF) during two school years with a 3-month summer break in children and adolescents. A 2-year longitudinal study, including 440 6th to 8th graders (218 boys), mean age 12.3 years, was conducted. The Progressive Aerobic Cardiovascular Endurance Run (PACER) was used to assess CRF. Physical activity was measured using accelerometers. Repeated measures linear models were used to analyses differences and trends in VO2peak and health-related CRF. Overall differences between time-point VO2peak were significant for both boys (p<0.001) and girls (p=0.003). Pairwise comparisons showed that VO2peak improved from the beginning to the end of the same school year for boys (school-year 1: 1.53 ml/kg/min, 95%CI=0.98, 2.09; school-year 2: 1.81 ml/kg/min, 95%CI=1.28, 2.34) and girls (school-year 1: 0.85 ml/kg/min, 95%CI=0.43, 1.27; school-year 2: 1.05 ml/kg/min, 95%CI=0.73, 1.36), while, differences in CRF during summer break were not significant. However, significance was only maintained for girls when performing monthly adjusted analysis. Improvements in CRF were observed during school year and remained unchanged during summer break. These findings provide relevant information for the health education community, suggesting the need for additional efforts to counteract the summer break effects on CRF, especially for girls.

2021 Charles H. McCloy Lecture: "You're Not in Kansas Anymore" by Charles H. McCloy

In this article I envision how Charles H. McCloy might assess the current state of kinesiology in relation to how it evolved from its parent profession of physical education into a field comprised of the scientific enterprise of kinesiology, as well as the related professions and professional preparation programs. I use my interpretation of his scholarship years ago to imagine how he would respond to important developments and advances in the scientific basis of human movement. Overall, despite many advances in the profession, I suspect that he, like I, would opine that the field is at a tipping point. I use his voice to illustrate five key themes that the field must address if it seeks to impact professional practice and the health status of all citizens.

School physical activity policies and associations with physical activity practices and behaviours: A systematic review of the literature

The development and implementation of school policies is considered a key strategy for the promotion of physical activity (PA) in children and adolescents. This study aimed to systematically review and synthesise existing literature focusing on the associations between formal written school-based PA policies and (a) school PA practices and (b) PA behaviours of school-aged children and adolescents. Fifty-one papers reporting on 52 studies met the eligibility criteria. All but two studies were from high income countries, most used cross-sectional designs and demonstrated fair methodological quality, and just over a third examined language aspects of policies. Findings predominantly indicated a lack of or inconclusive associations between the various characteristics examined and PA outcomes. Inconclusive associations were identified between both PA practice and behaviour outcomes and state level policies, policies focusing on PE and school-day PA, and in studies examining language aspects of policies. Inconclusive associations with both types of outcomes were more likely to be identified compared to a lack of associations in studies using self-report measures and in studies not providing information about the quality of exposure and outcome measures used. Overall, findings highlight the need for further research that acknowledges the complex relationship between school policies and PA outcomes and employs robust methodological approaches to enhance our understanding of this area.

Socio-ecological correlates of physical activity in a nationally representative sample of adolescents across Ireland and Northern Ireland

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Adolescent physical activity (PA) can be categorized into different levels.

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Categories include inactive, somewhat active, active, or daily active.

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Demographic, intrapersonal and interpersonal factors varied by PA category.

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Depending on PA category, school- and community-related factors also varied.

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As Every Move Counts, future correlate analyses may benefit from PA categorization.

Physical activity (PA) is associated with a range of health benefits for adolescents. Few adolescents meet one hour daily of moderate-to-vigorous physical activity (MVPA). The World Health Organisation (WHO) now recommends an ‘on average’ accumulation. In light of these updates, comparing correlates associated with meeting versus not meeting the PA guidelines provides limited understanding of adolescent behavioural choices. The aim of this study was to fractionate PA behaviour and investigate influential socio-ecological correlates across a diverse range of PA categories. A nationally representative sample (N = 6,563; age = 13.5 ± 1.9 years; male = 46.2%) completed a researcher supervised self-report survey. Empirically established instruments assessing the socio-ecological correlates of PA were included. Levels of MPVA were categorised into daily active (60mins.MVPA.daily), active (60mins.MVPA.5–6 days), somewhat active (60mins.MVPA.3–4 days) or inactive (60mins.MVPA.0–2 days). Descriptive statistics, chi-square analyses and multivariate blockwise binary logistic regression models were run separately for each PA category. Few were daily active (12.7%), 33.6% active, 36.5% somewhat active and 17.2% were inactive. Results showed that correlates differed in terms of direction and strength, depending on individual activity status. Increasing age was positively associated with being somewhat active, but not with being active or daily active. Attending an ‘all-girls school’ was negatively associated with daily active. High interpersonal support from family, friends or teachers was negatively associated with inactive or somewhat active, reducing the likelihood of adolescents remaining in these unhealthy PA categories. This novel information is useful for exploring previously established inconsistent relationships with PA. More sensitive categorisation and intervention tailoring to diverse PA categories is required.

The evidence for the impact of policy on physical activity outcomes within the school setting: A systematic review

BACKGROUND

Despite the well-established health benefits of physical activity (PA) for young people (aged 4-19 years), most do not meet PA guidelines. Policies that support PA in schools may be promising, but their impact on PA behavior is poorly understood. The aim of this systematic review was to ascertain the level and type of evidence reported in the international scientific literature for policies within the school setting that contribute directly or indirectly to increasing PA.

METHODS

This systematic review is compliant with Preferred Reporting Items for Systematic Review and Meta-Analysis guidelines. Six databases were searched using key concepts of policy, school, evaluation, and PA. Following title and abstract screening of 2323 studies, 25 progressed to data synthesis. Methodological quality was assessed using standardized tools, and the strength of the evidence of policy impact was described based on pre-determined codes: positive, negative, inconclusive, or untested statistically.

RESULTS

Evidence emerged for 9 policy areas that had a direct or indirect effect on PA within the school setting. These were whole school PA policy, physical education, sport/extracurricular PA, classroom-based PA, active breaks/recess, physical environment, shared use agreements, active school transport, and surveillance. The bulk of the evidence was significantly positive (54%), 27% was inconclusive, 9% was significantly negative, and 11% was untested (due to rounding, some numbers add to 99% or 101%). Frequency of evidence was highest in the primary setting (41%), 34% in the secondary setting, and 24% in primary/secondary combined school settings. By policy area, frequency of evidence was highest for sport/extracurricular PA (35%), 17% for physical education, and 12% for whole school PA policy, with evidence for shared use agreements between schools and local communities rarely reported (2%). Comparing relative strength of evidence, the evidence for shared use agreements, though sparse, was 100% positive, while 60% of the evidence for whole school PA policy, 59% of the evidence for sport/extracurricular PA, 57% of the evidence for physical education, 50% of the evidence for PA in classroom, and 50% of the evidence for active breaks/recess were positive.

CONCLUSION

The current evidence base supports the effectiveness of PA policy actions within the school setting but cautions against a "one-size-fits-all" approach and emphasizes the need to examine policy implementation to maximize translation into practice. Greater clarity regarding terminology, measurement, and methods for evaluation of policy interventions is needed.

A School-Level Examination of the Association between Programs and Policies and Physical Activity Outcomes among Females from the COMPASS Study

(1) The majority of Canadian youth are not meeting physical activity guidelines, and more female than male youth are falling short of these recommendations. School programs and policies are a viable strategy to improve youth physical activity. However, they may differentially affect female and male activity. This study aimed to examine school-level differences in physical activity outcomes among male and female students and to explore how school programs and policies associate with school-level physical activity outcomes among females. (2) This study used data from 136 schools participating in year 7 (Y7 2018–2019) of the COMPASS study. Data on school programs and policies and on student physical activity were collected. School-level means and percentages for outcomes were calculated and compared between males and females and the impact of physical activity programs and policies on female physical activity outcomes were examined. (3) More males met the guidelines, achieved more strength training days and physical activity minutes compared to females. The number of female varsity sports, community partnerships and fitness ambassadors were all positively and significantly associated with female physical activity. (4) Supportive physical activity environments fostered by offering varsity sports, establishing community partnerships and positive role models may promote physical activity among female youth.

Influence of Organized vs Non Organized Physical Activity on School Adaptation Behavior

It is now well-established that physical activity has positive effects on both physical and mental health. However, the influence of organized physical activity (i.e., programs controlled and supervised by a trainer) on school adaptive behavior of adolescents with disabilities and/or behavioral disorders remains unclear. School behavior adaptation involves the ability to learn, conform to school norms and manage school activities without major behavior conflicts. A cross-sectional study was conducted to test the differences between organized physical activity and non-organized physical activity in an after school program. Eighty Romanian adolescents were recruited and allocated to three groups: (a) with disabilities [Ds; N = 17, M age = 14.55 years (SD = 1.16), 12 males and 5 females], (b) with conduct disorders [CDs, N = 21, M age = 14.52 years (SD = 1.11) 16 males and 5 females], and (c) participants who had not shown signs of conduct disorders or disabilities [as a control group; N = 42, M age = 14.2 years (SD = 0.46) 20 males and 22 females]. Personality traits, school behavior, and sensorimotor coordination were assessed by using the Eysenck personality questionnaire-junior scale, school in-adaptability questionnaire scale, and Vienna Test System Sport (SMK-sensorimotor coordination test) respectively. Multivariate analysis of variance MANOVA (3 × 3) and discriminant analysis were used to examine differences between the psychological and sensorimotor coordination outcomes across three groups and three types of physical activity context: (a) organized physical activity, (b) non-organized physical activity, and (c) no physical activity. The findings indicate that not participating in an organized physical activity program results in a reduced level of physical mobility and consequently is associated with maladaptive social and psychological outcomes. Thus, we argued that attending in an organized physical activity program is more beneficial for participants with disabilities and/or behavior disorders, due to an increase in the probability of school integration and development of their motor skills. Clearly more research is needed in order to investigate these effects in neurophysiological levels.

Promoting Health-Related Cardiorespiratory Fitness in Physical Education: The Role of Class Intensity and Habitual Physical Activity

Physical education (PE) has the potential to promote health-related fitness, however, its contribution is still not clear. The aim of this study was to assess whether students’ health-related cardiorespiratory fitness (CRF) improved from the beginning to the end of the school year, and to examine the role of PE class intensity and habitual physical activity (PA) in promoting students’ CRF. This observational study employed a longitudinal design. Participants were 212 7th and 8th grade students (105 boys), mean age 12.9 years old, followed during one school year, from September 2017 to June 2018. The Progressive Aerobic Cardiovascular Endurance Run (PACER) was used to assess CRF at baseline and follow-up. PA was measured using accelerometers. PE class intensity was assessed using the System for Observing Fitness Instruction Time. Findings indicated that from the beginning to the end of the school year, a greater percentage of participants were in the CRF healthy fitness zone (73.1% to 79.7%, p = 0.022). Among boys, participating in organized sports (B = 4.61, 95% confidence interval [CI]: 0.33, 8.88) and the percentage of PE time being very active (B = 0.90, 95% CI: 0.44, 1.35) were positively associated with the change in PACER laps. Among girls, daily vigorous PA (B = 0.38, 95% CI: 0.15, 0.60) and participating in organized sports (B = 4.10, 95% CI: 0.93, 7.27) were also positively associated with PACER change, while being overweight or obese (B = −5.11, 95% CI: −8.28, −1.93) was negatively associated. In conclusion, PE was demonstrated to have a positive role in the promotion of CRF, especially among boys, while for girls, habitual PA seems to have a greater contribution. Nevertheless, results and conclusions should be considered carefully, taking into account study limitations, such as the non-direct measures of PE class intensity, CRF, and school setting.

Promoting health-related cardiorespiratory fitness in physical education: A systematic review

Background

This article aimed to systematically review the contribution of physical education (PE) classes to improve cardiorespiratory fitness (CRF) in children and adolescents; and to define potentially relevant factors for promoting CRF in PE classes.

Methods

Studies were identified from searches in ERIC, PubMed, SPORTDiscus, and Web of Science databases. Primary source articles, relating PE classes and CRF, published up to July 2019 in peer-reviewed journals were eligible for inclusion. Specific inclusion criteria were: (a) having cross-sectional or longitudinal and observational or interventional study designs; (b) targeting school-aged children or adolescents; (c) measuring CRF, heart rate or CRF test results as an outcome; (d) having statistical analyses of the CRF, heart rate or CRF test results outcomes reported; (e) focusing on PE classes or PE interventions that did not extended time or frequency of the classes; and (f) published in English, French, Portuguese, or Spanish.

Results

A total of 24 studies met the inclusion criteria. Overall, 10 studies have found a neutral effect of PE classes in students’ CRF, eight studies found that PE indeed contributed to the improvement of CRF and six studies revealed mixed findings, when PE classes where controlled for others variables (e.g. body mass index, intensity). Higher intensity PE classes consistently demonstrated contributions to improving students’ CRF.

Conclusion

Review findings suggest that PE classes can contribute to the improvement of students’ CRF. Intensity, age and weight status were identified as potentially relevant factors for promoting CRF in PE classes. To improve CRF, higher intensity classes should be provided.

The Role of Youth Sports in Promoting Children's Physical Activity and Preventing Pediatric Obesity: A Systematic Review

Youth sport participation plays an important role in promoting physical activity among children and may be a possible venue for the prevention of pediatric obesity. To design effective physical activity interventions, it is imperative to understand how different aspects of sport participation influence physical activity (PA). The purpose of this article is to present a comprehensive review of the impact of youth sport participation on children's PA and obesity status. A total of 44 studies published up to January 2014 concerning youth sport participation, PA, and obesity status were identified. Inclusion criteria were studies comparing PA levels of sport participants to nonparticipants or those comparing PA levels in different sport types and settings. Studies with the outcome variables of obesity status (e.g., body mass index, fat percentage, waist circumference) were also included. Participation in youth sport was positively associated with children's PA levels, and youth participating in sports were more likely to persist in their PA. However, the relationship between youth sport participation and obesity status was inconclusive. Educators and sports professionals should find ways to involve children in various sports settings and policies and help obese children engage more in sports.

Playground usage and physical activity levels of children based on playground spatial features

Aim

Being outdoors is one of the strongest correlates of physical activity in children. Playgrounds are spaces especially designed to enable and foster physical activity in children. This study aimed to analyze the relationship between the spatial features of public playgrounds and the usage and physical activity levels of children playing in them.

Subjects and methods

A quantitative, observational study was conducted of ten playgrounds in one district of a middle-sized town in Germany. Playground spatial features were captured using an audit instrument and the playground manual of the town. Playground usage and physical activity levels of children were assessed using a modified version of the System for Observing Play and Leisure Activity in Youth. Negative binomial models were used to analyze the count data.

Results

The number of children using the playgrounds and the number of children actively playing in them were higher in those with more varied facilities and without naturalness. Girls played more actively in playgrounds without multi-purpose areas. Cleanliness, esthetics, play facility quality, division of functional areas and playground size were not related to any outcome variable.

Conclusion

Playground spatial features are related to playground usage and activity levels of the children in the playgrounds. Playgrounds should offer a wide variety of play facilities and provide spaces for diverse play activities to respond to the needs of large numbers of different children and to provide activity-friendly areas enabling their healthy development.

Shared use agreements and leisure time physical activity in North Carolina public schools

Although increasing community access to public schools through shared use agreements (SUAs) has been a recommended strategy for promoting physical activity (PA) among national, state and local organizations, empirical evidence examining the efficacy of SUAs is limited. This study examined the degree of usage and production of PA among schools with shared use, and how variation in PA output is related to characteristics of the school, type of activity, facility type, and when activity occurs. Data were collected in 20 schools across North Carolina using System for Observing Play and Recreation in Communities (SOPARC) and Structured Physical Activity Surveys (SPAS) to assess PA in school athletic facilities during out of school time. Findings indicated that although schools had a policy of shared or open use, most facilities were empty during non-school hours. Hierarchal linear regression models also showed that formal programming was positively associated with both use and PA levels. Given the abundance of empty facilities, community groups in need of space to facilitate structured PA programs should pursue avenues of sharing facilities with public schools. Furthermore, to increase the efficacy of shared use, structured physical activity programs may be needed. Future studies are encouraged to further explore the effects of the specific types of shared use programs on PA production as well other aspects of the built environment surrounding schools.

Context Matters: Systematic Observation of Place-Based Physical Activity

Physical activity is place-based, and being able to assess the number of people and their characteristics in specific locations is important both for public health surveillance and for practitioners in their design of physical activity spaces and programs. Although physical activity measurement has improved recently, many investigators avoid or are at a loss regarding the assessment of physical activity in explicit locations, especially in open environments where many people come and go in a seemingly indiscriminate fashion. Direct, systematic observation exceeds other methods in simultaneously assessing physical activity and the contexts in which it occurs. This commentary summarizes the development and use of 2 validated observation tools: the System for Observing Play and Leisure in Youth (SOPLAY) and System for Observing Play and Active Recreation in Communities (SOPARC). Their use is well supported by both behavior-analytic principles and social-ecological theory, and their methods have utility for both researchers and practitioners.

Correlates of children's compliance with moderate-to-vigorous physical activity recommendations: a multilevel analysis

This study aimed to investigate the association between individual and school characteristics associated with the number of school days children comply with moderate-to-vigorous physical activity (MVPA) recommendations. Sample comprises 612 Portuguese children, aged 9-11 years, from 23 schools. Time spent in MVPA was measured by accelerometry, while individual-level correlates were obtained by anthropometry and questionnaires. School-level variables were collected by questionnaire, and accelerometer wear time and season were also considered. Maximum likelihood estimates of model parameters were obtained via a multilevel analysis with children as level-1, and school as level-2. Children who spent more time in sedentary activities and girls were less likely to comply with MVPA/daily. More mature children and those who use active transportation to school were more likely to attain the PA recommendation. Furthermore, greater accelerometer wear time and spring season increased the chance to achieve the recommended MVPA. In terms of school-level correlates, a greater number of available facilities was negatively associated with children MVPA compliance. Given the set of variables, our results showed that individual characteristics seem to be more relevant for children's compliance rates with PA/day than school context variables, which should be taken into account in the implementation of school policies and practices.

The school environment and adolescent physical activity and sedentary behaviour: a mixed-studies systematic review

There is increasing academic and policy interest in interventions aiming to promote young people's health by ensuring that the school environment supports healthy behaviours. The purpose of this review was to summarize the current evidence on school-based policy, physical and social-environmental influences on adolescent physical activity and sedentary behaviour. Electronic databases were searched to identify studies that (1) involved healthy adolescents (11-18 years old), (2) investigated school-environmental influences and (3) reported a physical activity and/or sedentary behaviour outcome or theme. Findings were synthesized using a non-quantitative synthesis and thematic analysis. Ninety-three papers of mixed methodological quality were included. A range of school-based policy (e.g. break time length), physical (e.g. facilities) and social-environmental (e.g. teacher behaviours) factors were associated with adolescent physical activity, with limited research on sedentary behaviour. The mixed-studies synthesis revealed the importance of specific activity settings (type and location) and intramural sport opportunities for all students. Important physical education-related factors were a mastery-oriented motivational climate and autonomy supportive teaching behaviours. Qualitative evidence highlighted the influence of the wider school climate and shed light on complexities of the associations observed in the quantitative literature. This review identifies future research needs and discusses potential intervention approaches to be considered.

PACE: A group randomised controlled trial to increase children's break-time playground physical activity

OBJECTIVES

To assess the effect of a school playground intervention on the physical activity levels of primary/elementary aged children.

DESIGN

Two-arm parallel group randomized controlled trial.

METHODS

In 2011, children aged 4-13 years from thirteen primary/elementary schools (in Illawarra, New South Wales, Australia) were invited to participate in the study. School recruitment was based on existing policies, equipment and willingness to participate. Participating schools were randomly allocated to the intervention or control using the 'hat and draw' method. The intervention was delivered over four months. Intervention schools introduced policy changes and portable equipment to break-time after baseline measures were collected. The primary outcome was the proportion of break-time spent in Moderate to Vigorous Physical Activity (MVPA) assessed by the System for Observing Playground Activity in Youth (SOPLAY). The analysis involved linear mixed models adjusting for the clustering effect of schools. The study is registered with the Australian New Zealand Clinical Trials Registry (ACTRN12614001128684).

RESULTS

Four schools (two intervention and two control) met the inclusion criteria (1582 children: 790 males; 267 controls, total of 792 females; 248 controls). Students from the intervention schools had a greater increase at follow-up in the proportion of break-time in MVPA; (adjusted difference=12.5 percentage points, 95% CI [-13.0%, 38.0%]; P=0.17; r=0.6) compared to the controls. MVPA at recess significantly increased (adjusted difference=18.0 percentage points, 95% CI [6.9%, 29.1%]; P=0.02; effect size=0.7). There were no significant increases in MVPA when examining overall break times. Results were greater for girls compared to boys.

CONCLUSIONS

Making environmental and policy changes are promising strategies for promoting health-enhancing physical activity during school break-time.

Association Between School Policies and Built Environment, and Youth's Participation in Various Types of Physical Activities

BACKGROUND

School environmental characteristics may be associated with youth's participation in different types of physical activities (PAs). This study aimed to identify which school policies and built environmental characteristics were associated with participation in organized, nonorganized, individual, and group-based activities.

METHODS

This cross-sectional analysis included 776 students in grade 5 or 6 from 16 schools. The school environment was assessed through school-based questionnaires completed by school representatives. Types of PA and attainment of PA recommendations were obtained using self-administered student questionnaires. Associations between environment and student PA were examined using multilevel logistic regressions.

RESULTS

Schools with favorable active commuting environments were positively associated with girls' participation in organized (odds ratio [OR] = 1.34, confidence interval [CI] = 1.04-1.74) and group-based PA (OR = 1.54, CI = 1.19-1.99) and with boys' odds of participating in individual activities (OR = 1.45, CI = 1.04-2.04). There was also a positive relationship between having a school environment favorable to active commuting and boys' odds of meeting PA recommendations (OR = 2.19, CI = 1.43-3.37). School policies supporting PA were positively associated with girls' odds of participating in nonorganized activities (OR = 1.18, CI = 1.00-1.40).

CONCLUSIONS

School environments that favor active commuting may encourage participation in different types of PA. School policies promoting PA also may encourage girls to participate in organized activities.

Individual and school level correlates of moderate to vigorous physical activity among school-children in Germany--a multi-level analysis

Background

Young people spend half of their days in school, but evidence concerning the influence of school environment on the physical activity (PA) of pupils is still inconsistent. A better understanding of potential correlates of PA on the school-level and their possible interaction with individual aspects is needed to improve the development of more effective interventions.

Methods

We used data from the 2009/10 German Health Behaviour in School-aged Children study (HBSC)-sample (n=5,005 students aged 11–15 years) including self-reported moderate to vigorous intensity PA as well as a variety of biological, demographic and behavioral correlates and matched them with school-level data from the national school principals’ HBSC questionnaire. We analyzed the associations of individual- and school-level correlates with MVPA by gender-specific multi-level regression.

Results

Only a small share of the overall variation in student’s PA was attributable to the school-level. Consequently, the associations of individual-level correlates with PA were stronger than those of the school-level. Our analysis revealed significant associations of individual-level (i.e. age, consumption of softdrinks, overweight) as well as school-level correlates (i.e. the availability of a football ground and a swimming pool) with MVPA. We also observed some gender-specific findings especially for the school level correlates. Cross-level interactions between individual- and school-level were not apparent.

Conclusions

Our findings indicate the usefulness of applying an ecological framework to understand and explain complex health behaviors like PA. As we found gender-specific association it might be important to acknowledge that boys and girls have specific needs to be more physically active. Further research should also take other features/elements of the school environment and neighborhood as well as socio-cognitive correlates into account to advance the field.

Challenges in promoting joint use agreements: experiences from Community Transformation Grant awardees in North Carolina, Illinois, and Wisconsin, 2011-2014

Community Transformation Grant awardees in North Carolina, Illinois, and Wisconsin promoted joint use agreements (formal agreements between 2 parties for the shared use of land or facilities) as a strategy to increase access to physical activity in their states. However, awardees experienced significant barriers to establishing joint use agreements, including 1) confusion about terminology and an aversion to complex legal contracts, 2) lack of applicability to single organizations with open use policies, and 3) questionable value in nonurban areas where open lands for physical activity are often available and where the need is instead for physical activity programs and infrastructure. Furthermore, promotion of formal agreements may unintentionally reduce access by raising concerns regarding legal risks and costs associated with existing shared use of land. Thus, joint use agreements have practical limitations that should be considered when selecting among strategies to promote physical activity participation.

Prioritizing school intramural and interscholastic programs based on observed physical activity

PURPOSE

To examine which school sports engage children in more physical activity.

DESIGN

Observational, cross-sectional study examining differences between intramural (IM) and interscholastic (IS) sports.

SETTING

Athletic facilities at two schools with IM sports and two schools with IS sports in Wake County, North Carolina.

SUBJECTS

Middle-school children (N = 6735).

MEASURES

Percentage of children observed in sedentary, moderate, and vigorous activity assessed by the System for Observation Play and Leisure Among Youth (SOPLAY). Energy expenditure and physical activity intensity were also estimated by using MET values.

ANALYSIS

T-tests; generalized linear model using cumulative logit link function.

RESULTS

IM sports had higher MET values than IS sports (t = -3.69, p < .001), and IM sports ranked in four of the top five sports in terms of average MET values. Regression models found a significant interaction between school sport delivery model and gender, with boys significantly less physically active in IS programs than boys in IM programs (B = -.447, p < .001) but more physically active (B = .359, p <.001) than girls in IM sports.

CONCLUSION

Regardless of sport type, IM sports generated more physical activity than IS sports among boys but not girls. Soccer, basketball, and track, regardless of school delivery approach, provide the highest physical activity levels. Results suggest that school administrators consider reassessing their programs to more efficiently use diminishing resources to increase students' physical activity levels.

Outcomes of the Rope Skipping 'STAR' Programme for Schoolchildren

Physical activity in children and adolescents is on a decline trend. To this end, we conducted a matched-pair randomized controlled trial to examine the effects of a 4-week STAR (School-based; Train-the-trainer; Accessibility of resources; Recreational) skipping programme. 1,386 schoolchildren from 20 primary and secondary schools were recruited. Schools were randomized into the experimental or wait-list control group. Participants self-reported their health-related quality of life using the KIDSCREEN-27. Accelerometers were used to measure the time a subgroup of participants (n = 480) spent in moderate-to-vigorous physical activity during school hours on five consecutive days. Measures were taken at pre- and post-test. At post-test, students in the experimental group, compared to those in the control group, engaged in less moderate-to-vigorous physical activity during school hours. Health-related quality of life from two groups of students was similar, but the experimental group reported higher levels of autonomy and parent relationships. Results suggested that although the intervention did not increase students' physical activity levels, it slightly improved their health-related quality of life. Future studies should explore personal factors that might mediate the effect of the intervention.

More children more active: Tailored playgrounds positively affect physical activity levels amongst youth

OBJECTIVES

Overall physical activity (PA) of children is low, and the physical inactivity problem is highest in deprived neighborhoods. The overall goal of the Richard Krajicek Foundation is to provide children in deprived neighborhoods with safe public playgrounds that stimulate daily PA. This study investigates whether Krajicek playgrounds are associated with higher usage and intensity of PA compared to control playgrounds during playground use amongst children.

DESIGN

Cross-sectional observational study.

METHODS

Ten Krajicek and ten control playgrounds in The Netherlands were matched for neighborhood and playground characteristics. Usage and intensity of PA at the playgrounds were measured using direct observation (SOPLAY). Trained observers collected PA data after-school time on weekdays and weekend days. Multilevel regression analyses were performed to analyze the difference in usage and intensity of PA between control and Krajicek playgrounds.

RESULTS

Krajicek playgrounds were significantly less often empty compared to control playgrounds (12% vs. 29%). In addition, there was a statistically significant difference in the number of boys observed on the Krajicek playgrounds (14 vs. 9, OR 1.8). Across all categories differences in playground PA were found with an average of 13% of the children on Krajicek playgrounds engaged in moderate-to-vigorous physical activity (MVPA) compared to 10% on control playgrounds. Energy-expenditure (EE) per child was higher on Krajicek playgrounds across all groups (B.006).

CONCLUSIONS

Krajicek playgrounds are positively associated with higher usage and PA intensity compared to control playgrounds. Our results indicate that Krajicek playgrounds can benefit PA of children living in deprived neighborhoods during playground play.

Top 10 research questions related to assessing physical activity and its contexts using systematic observation

Numerous methods are available to assess physical activity (PA) but systematic observation (SO) excels in being able to provide contextually rich data on the setting in which the activity occurs. As SO is particularly useful for determining how activity is influenced by the immediate physical and social environments, its use is becoming more popular. Observation tools have the advantages of flexibility, high internal validity, low inference, and low participant burden, while their disadvantages include the need for careful observer training and recalibration, inaccessibility to certain environments, and potential participant reactivity. There is a need for both scientists and practitioners to have additional information on observation techniques and systems relative to making environmental and policy decisions about PA, and in this article, we describe concepts and identify questions related to using SO in researching PA behavior. We present 10 general questions in 3 sections, including those related to: (a) ensuring data accuracy through the selection of the most appropriate methodological protocols; (b) investigating PA in school settings, including physical education, recess, and other programs; and (c) investigating PA in community settings (e.g., parks, recreation centers, youth and adult sport programs) and homes.

School sport participation under two school sport policies: comparisons by race/ethnicity, gender, and socioeconomic status

BACKGROUND

School-based extracurricular sport remains an effective strategy to increase physical activity. However, school sport is often limited to a small number of elite athletes. Few schools provide more inclusive sport programs that offer a wider array of activities regardless of ability.

PURPOSE

The aim of this study was to examine school sport participation in middle schools (ages 11-14) with contrasting school sport delivery strategies (intramural vs. interscholastic).

METHODS

Data were obtained through an online survey administered to students at four public middle schools (grades 6-8) in a southeastern US city (n = 2,582).

RESULTS

More students participated in school sports at intramural schools. Boys were more likely to participate in after-school sports at intramural schools. Low-income and Black children, two groups at greater risk of physical inactivity and other negative outcomes, had greater participation in intramural programs.

CONCLUSIONS

After-school intramural sports in middle school is a promising strategy for increasing sport participation.

Policy changes to implement intramural sports in North Carolina middle schools: simulated effects on sports participation rates and physical activity intensity, 2008-2009

Introduction

Extracurricular school sports programs can provide adolescents, including those who are economically disadvantaged, with opportunities to engage in physical activity. Although current models favor more exclusionary interscholastic sports, a better understanding is needed of the potential effects of providing alternative school sports options, such as more inclusive intramural sports. The purpose of this study was to simulate the potential effect of implementing intramural sports programs in North Carolina middle schools on both the rates of sports participation and on energy expenditure related to physical activity levels.

Methods

Simulations were conducted by using a school-level data set developed by integrating data from multiple sources. Baseline rates of sports participation were extrapolated from individual-level data that were based on school-level characteristics. A regression model was estimated by using the simulated baseline school-level sample. Participation rates and related energy expenditure for schools were calculated on the basis of 2 policy change scenarios.

Results

Currently, 37.2% of school sports participants are economically disadvantaged. Simulations suggested that policy changes to implement intramural sports along with interscholastic sports could result in more than 43,000 new sports participants statewide, of which 64.5% would be economically disadvantaged students. This estimate represents a 36.75% increase in economically disadvantaged participants. Adding intramural sports to existing interscholastic sports programs at all middle schools in North Carolina could have an annual effect of an additional 819,892.65 kilogram calories expended statewide.

Conclusion

Implementing intramural sports may provide economically disadvantaged students more access to sports, thus reducing disparities in access to school sports while increasing overall physical activity levels among all children.

Sports game play: a comparison of moderate to vigorous physical activities in adolescents

BACKGROUND

Research suggests participation in sports is an important contributor to overall adolescent physical activity (PA). Sports play has become increasingly important in physical education (PE) classes as a means for promoting healthful and enjoyable PA. Research is needed that investigates physiological and perceptual responses to sport play.

METHODS

We studied 101 (55 males; 46 females, age 11-14) students who participated in flag football (FF), basketball (BB), and flag rugby (FR). Activity counts were collected using accelerometers. Perceived competence and enjoyment were measured using the intrinsic motivation inventory.

RESULTS

Each sport activity produced acceptable levels of activity and positive perceptual responses, but differences among sports were noted. Accelerometry data indicated that FR and BB were more intense than FF (p < .001). Perceptual data indicated participation in FR elicited higher perceptions of competence and greater enjoyment when compared to FF and BB (p < .001).

CONCLUSIONS

Participation in sport activity within middle school PE classes provides excellent opportunities for energy expenditure and positive perceptual responses. Most importantly, FR provides an activity stimulus that has potential benefits both physiologically and psychologically.

A microgeographic analysis of physical activity behavior within elementary school grounds

PURPOSE

There is little scholarship on physical activity among children within outdoor spaces and work is needed to advance the design of these spaces from "best practices" towards evidence-based design. This project examined how playground feature density relates to children's physical activity.

DESIGN

We used the System for Observing Play and Leisure Activity to observe children's physical activity.

SETTING

We observed children during school recess on 24 school grounds in the Denver metropolitan area of Colorado, in spring of 2010 and 2011.

SUBJECTS

A total of 31,069 observations were made from an estimated 9900 children aged 5 to 12. These were aggregated and analyzed in 397 playground zones.

MEASURES

We examined utilization, the number of children present in a particular activity zone during an observation, and the percentage of children engaged in moderate to vigorous physical activity as they relate to the density of constructed features on school playgrounds.

ANALYSIS

Ordinary least-squares linear regression model assessed the relationship between playground feature density and the utilization and moderate to vigorous physical activity.

RESULTS

Significant positive associations were observed between utilization and feature density among all children (β = .20; p < .001) and a statistically significant but small association was observed between moderate to vigorous physical activity and feature density for girls (β = .12; p = .013), but not for boys.

CONCLUSION

This analysis contributes to evidence that design features of play spaces may influence children's behavior within school grounds.