Longitudinal Impact of a Park-Based Afterschool Healthy Weight Program on Modifiable Cardiovascular Disease Risk Factors in Youth

The Effectiveness of Nutritional Education Interventions on Dietary Intake in Young Black Males: A Near-Empty Systematic Review

The incidence of several diet and lifestyle-related diseases, previously seen only in adults, is increasing in prevalence in young people. The Black population, and particularly Black males, are at high risk of developing lifestyle-related diseases. Adolescence and young adulthood are considered a transitional period with increasing independence and responsibility, along with the development of lifelong lifestyle habits. This systematic review aimed to establish which methods and approaches to nutritional education interventions are the most effective in improving the nutritional/dietary intake in healthy young Black males. Eligibility criteria were designed using PICOS and included controlled trials of nutrition education interventions designed to improve dietary intake in healthy young Black or mixed-race males aged 14–21 years old. Medline, Cinahl and Scopus were searched in April 2021, resulting in 20,375 records being screened, and subsequently 72 full-text articles were reviewed. Risk of bias was assessed using the ROBINS-I tool. One study met the eligibility criteria. Results are presented in a narrative format as meta-analysis was not possible. This systematic review revealed a lack of evidence on the effectiveness of nutritional education interventions in this high-risk population. Limitations are noted and recommendations have been made.

The Effects of Park-Based Interventions on Health-Related Outcomes Among Youth: A Systematic Review

OBJECTIVE

The purpose of the study is to present a comprehensive systematic review of the effects of park-based interventions on health outcomes among youth, defined as children and adolescents.

DATA SOURCE

Web of Science, MEDLINE, and Scopus databases searched through November 2020.

STUDY INCLUSION AND EXCLUSION CRITERIA

Interventions conducted in publicly accessible parks that evaluated health outcomes (i.e., physical, mental, and emotional); focused on children and adolescents (up to 18 years old, or up to 22 years old for individuals with developmental needs); and was published in English, Spanish, and Chinese.

DATA EXTRACTION

Two independent reviewers extracted data and assessed the quality of the 15 included studies using the Guide to Community Preventive Services tool.

DATA SYNTHESIS

Descriptive summary of study characteristics and summarized methodological quality of the studies.

RESULTS

Twelve studies were person-based interventions involving the evaluation of health outcome changes in cohorts, and the remaining studies were park-based, focused on changing the park environment and observing changes in youth participation in parks. All identified interventions were positively associated with individual-level and park-level outcomes ranging from body weight, moderate-to-vigorous-intensity physical activity, park utilization, and health behavior knowledge.

CONCLUSIONS

This systematic review demonstrated that parks as sites of interventions can provide an environment that promotes health and wellbeing for youth. Nevertheless, the number of relevant studies were limited, thus it is important to leverage and expand on existing knowledge of the utility of parks as sites of intervention to address health concerns at this critical juncture of the life course.

Community design and hypertension: Walkability and park access relationships with cardiovascular health

BACKGROUND

There is an increased literature focusing on the role of the built and natural environments in preventing hypertension. However, very few studies have quantitively analyzed specific pathways through which urban form affects blood pressure levels.

OBJECTIVES

To examine how features of the built and natural environments relate to hypertension and the mediating role of transportation and leisure walking and body mass index in this relationship.

METHODS

We examined the association between neighbourhood walkability and park availability with hypertension through generalized linear models in two independent population cohorts. One Cohort was 22,418 adults (My Health My Community) and the other cohort was 11,972 adults (BC Generations Project). We employed a path analysis modelling approach to explore the presence and significance of mediating factors that may contribute to any association between walkability or park availability and hypertension. This study intentionally employed walkability measures enforced through municipal zoning and subdivision regulations legally underpinned by health, safety, and welfare. All models were adjusted for socioeconomic and other characteristics where data were available.

RESULTS

Our analysis of two population-based Canadian cohorts consistently found that higher levels of walkability and park accessibility were both associated with significantly lower odds of self-reported hypertension, especially for lower income individuals. Mediation analysis showed that obesity accounted for 50% and 52.9% of the total effect of walkability and park accessibility on hypertension, respectively.

DISCUSSION

We suggest an integrated population health approach that considers multimorbidity as a result of exposure to car-dependent areas and the lack of green spaces. Longitudinal research is needed to document causal effects of built and natural environments on hypertension.

Objective Measurement of Physical Activity Attributed to a Park-Based Afterschool Program

BACKGROUND

Only 24% of US youth meet physical activity recommendations set by the Centers for Disease Control and Prevention. Research demonstrates that community-based programs provide underresourced minority youth with opportunities for routine physical activity, although limited work draws from accelerometry data. This study objectively assessed youth physical activity attributable to participation (vs nonparticipation) days in a park-based afterschool program in Miami-Dade County, Miami, FL.

METHODS

Participants' (n = 66; 60% male; 57% white Hispanic, 25% non-Hispanic black, 14% Black Hispanic, mean age = 10.2 y) physical activity was assessed April to May 2019 over 10 days across 7 park sites using Fitbit (Charge 2) devices. Separate repeated-measures multilevel models were developed to assess the relationship between program daily attendance and total (1) moderate to vigorous physical activity minutes and (2) step counts per day.

RESULTS

Models adjusted for individual-level age, sex, race/ethnicity, poverty, and clustering by park showed significantly higher moderate to vigorous physical activity minutes (β = 25.33 more minutes per day; 95% confidence interval, 7.0 to 43.7, P < .01) and step counts (β = 4067.8 more steps per day; 95% confidence interval, 3171.8 to 4963.8, P < .001) on days when youth did versus did not attend the program.

CONCLUSIONS

Study findings suggest that park-based programs may support underserved youth in achieving daily physical activity recommendations.

Changes in cardiovascular health and physical fitness in ethnic youth with intellectual disabilities participating in a park-based afterschool programme for two years

BACKGROUND

Youth with intellectual disabilities are more likely to be an unhealthy weight and less physically active than youth without intellectual disability.

OBJECTIVE

The effects of Fit2Play, a park-based afterschool programme on cardiovascular/fitness health outcomes among youth with intellectual disability, were prospectively assessed.

METHODS

Youth ages 6 to 22 with intellectual disability who participated in Fit2Play for either one or two school years between 2010 and 2016 (N = 297, mean age 14.1 years, 70% Hispanic, 20% non-Hispanic black, 72% male) were examined via a fitness battery at the beginning/end of the school year(s). Effects of length of Fit2Play participation on body mass index (BMI) %ile, skinfold thicknesses, systolic/diastolic blood pressure (SBP/DBP) %iles, fitness tests, and health and wellness knowledge) were evaluated via two-level repeated measures analysis adjusted for child gender, age, ethnicity and area-level poverty.

RESULTS

Adjusted models showed that up to two years of Fit2Play participation was significantly associated with improved BMI %ile, skinfold thicknesses, SPB/DBP %iles and PACER scores (p < 0.05 for all). One and two years of programme participation was associated with a 6% [95% CI: 0.92, 0.96] and 10% [95% CI: 0.87, 0.93] reduction in SBP%ile, respectively (p < 0.001), and a 36% [95% CI: 1.28, 1.45] and 57% [95% CI: 1.44, 1.70] increase in PACER score laps, respectively, compared to baseline.

CONCLUSIONS

Results here suggest that park-based, structured afterschool programmes with a focus on health and wellness can be a rich resource for this nation by offering both exclusive and immersion programmes for children with intellectual disability to foster cardiovascular health in all youth.

The Relationship between Social Cohesion and Urban Green Space: An Avenue for Health Promotion

Social cohesion involves the interpersonal dynamics and sense of connection among people. Increased social cohesion can be associated with various physical and psychological health benefits. The presence of urban green spaces can encourage positive social interactions that cultivate social cohesion in ways that enhance health and well-being. Urban green spaces have also been linked to positive health behaviors and outcomes including increased physical activity and social engagement. Understanding the relationship between social cohesion and urban green space is important for informing holistic approaches to health. In this article, we discuss how positive interactions in urban green space can catalyze social cohesion, social capital and critical health-promoting behaviors that may enhance psychological health and well-being. We also summarize the strengths and limitations of previous studies and suggest directions for future research.