Alberta Project Promoting active Living and healthy Eating (APPLE Schools)

Highlights
Program Title Alberta Project Promoting active Living and healthy Eating (APPLE Schools)
Purpose Designed to increase physical activity and promote healthy dietary habits. (2012)
Program Focus Awareness building and Behavior Modification
Population Focus School Children
Topic Physical Activity, Diet/Nutrition
Age Children (0-10 years)
Gender Female, Male
Race/Ethnicity This information has not been reported.
Setting School-based
Origination Canada
Funded by Canada Research Chair in Population Health (Grant number(s) not available.), Alberta Innovates Health Solutions Health Scholarship (Grant number(s) not available.)
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RE-AIM Scores
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Details about Reach
Reach
80.0%
Details about Effectiveness
Effectiveness
66.7%
Details about Adoption
Adoption
66.7%
Details about Implementation
Implementation
57.1%
The Need

Childhood obesity has more than doubled in children and quadrupled in adolescents in the past 30 years. Nearly 18% of children aged 6–11 years and 21% of adolescents aged 12–19 years were obese in 2012, according to the Centers for Disease Control and Prevention, compared with 7% and 5%, respectively, in 1980. Obese youth are more likely to have risk factors for cardiovascular disease, such as high cholesterol or high blood pressure. They are at greater risk for bone and joint problems, sleep apnea, and social and psychological problems, such as stigmatization and poor self-esteem. Obese youth also are likely to be obese as adults and therefore at greater risk for adult health problems such as heart disease, type 2 diabetes, stroke, several types of cancer, and osteoarthritis.

Healthy lifestyle habits, including healthy eating and physical activity, can lower the risk of becoming obese and developing related diseases. Schools play a critical role in improving the dietary and physical activity behaviors of children and adolescents. They can create healthy environments by implementing policies and practices that support healthy eating and regular physical activity and by providing opportunities for students to learn about and practice these behaviors. A healthy school environment can also support academic achievement, since children with high-quality diets and increased physical activity levels perform better in school.

The Program
Description

The Alberta Project Promoting active Living and healthy Eating (APPLE Schools) is a health promotion intervention developed to help elementary schools in socioeconomically disadvantaged areas of Alberta, Canada, implement a customized comprehensive school health (CSH) plan to improve physical activity and healthy eating among their students. Based on principles laid out in the World Health Organization’s Ottawa Charter on Health Promotion (1986), CSH is an integrated approach to health promotion involving education and the whole school environment. A CSH intervention includes actions addressing each of the four “pillars” of school health: teaching and learning, physical and social environments, healthy school policy, and partnerships and services.

APPLE Schools’ approach to CSH requires at least a 3-year commitment from a school and centers on the use of a full-time, trained school health facilitator to guide the entire school community in creating an environment that supports student health. The intervention does not require the school to implement any specific health programming or policies. The school health facilitator has several key responsibilities. He or she initially spends time observing and learning about the school’s existing health-promoting activities and policies while building relationships with teachers, administrators, students, and parents. The facilitator then assembles an “APPLE Core team” of stakeholders and works with the team to develop an action plan customized to the needs of the school. The plan specifies what programs and policies will be implemented for each of the four “pillars” of CSH. A school’s action plan might include, for example, planting classroom or community gardens, offering healthy hot lunches, providing after-school cooking classes for students and their families, or scheduling family fun nights in the gym. The facilitator also makes resources on nutrition and physical activity available to teachers (e.g., lesson plans, planning tools, handouts, teacher guides, promising practices, educational kits); contributes to curricular planning for both instructional and non-instructional school time; schedules professional development days for teachers and school staff; coordinates community activities and events; and circulates the APPLE Schools newsletter. 

Changes in students’ diets, activity levels, and body weight are measured each year through surveys, and the results are used by the facilitator and APPLE Core team to update the action plan. To ensure the necessary degree of coordination and support, APPLE Schools requires the school principal to make the following commitments. The principal must agree to dedicate time personally to the project; sustain the intervention at the school for 3.5 years; participate in ongoing and new research led by the University of Alberta research team that developed and continues to evaluate APPLE Schools; provide office space and access to infrastructure support for the facilitator; include the facilitator as part of the school staff; create supportive healthy living school policies; and participate in meetings with other APPLE Schools’ administrators and health facilitators. 
 
The school health facilitators receive 6 weeks of training in physical activity, nutrition, creating positive social environments, and facilitation strategies to foster increased capacity and sustainability of the intervention. They also receive ongoing professional development and yearly refresher training. Facilitators from different APPLE schools provide peer support to one another and share work experiences and successful resources when they come together for ongoing professional development and training. Facilitators and schools have access to the APPLE Schools website, which is updated regularly and includes materials prepared for teachers, outlines for whole school events, health fair ideas, useful web links, curriculum-related materials, community connections, specific information related to nutrition or physical activity, and a web page for project administration–related issues and funding available to support and maintain program implementation. Each APPLE school is required to undergo a yearly evaluation carried out by the University of Alberta’s School of Public Health.

Implementation Guide

The Implementation Guide is a resource for implementing this program. It provides important information about the staffing and functions necessary for administering this program in the user's setting. Additionally, the steps needed to carry out the research-tested program, relevant program materials, and information for evaluating the program are included. The Implementation Guide can be viewed and downloaded in the Products page.

Community Preventive Services Task Force Finding
Guide to Community Preventive Services This program uses the following intervention approaches for which the Community Preventive Services Task Force finds insufficient evidence: classroom-based health education interventions focused on providing information (Physical Activity) and school-based programs promoting nutrition and physical activity (Diet/Nutrition). Insufficient evidence means the available studies do not provide sufficient evidence to determine if the intervention is or is not effective. This does not mean that the intervention does not work. It means that additional research is needed to determine whether the intervention is effective.

To expand understanding of this intervention category consider communicating with members from NCI's Research to Reality (R2R) community of practice who may be able to help you with your research efforts. Following is a link to start an online discussion with the R2R community of practice, after completing registration on the R2R site: https://researchtoreality.cancer.gov/discussions.

Time Required
-- 6 weeks of initial training for the school health facilitator, plus 6 days of yearly refresher training
-- 40 hours per week over the school year for health promotion planning and coordination by the facilitator
-- 3–4 hours per month of dedicated time for the school principal, plus 2.5 days per year for meetings in support of the program
-- 2–6 hours per month for parent and community involvement activities, such as after-school cooking clubs for students and parents, after-school physical activity programs, family fun nights in the gym, and classroom and community gardens; activities will vary by school
 -- 1–3 hours per month for APPLE Core team meetings (moderated by the school health facilitator) to create, review, and modify school health action plans and policies
-- 10–15 hours yearly to support the research teams that conduct on-site evaluations at each APPLE school
Intended Audience
APPLE Schools targets students in elementary schools.
Suitable Settings
APPLE Schools is implemented in elementary schools.
Required Resources

Materials required for implementation include:
-- APPLE Schools website

For costs associated with this program, please contact: Paul J. Veugelers. (See products page on the RTIPs website for contact information)

About the Study

A 3-year, quasi-experimental, pre/post study with a non-equivalent comparison group evaluated the effects of APPLE Schools on diets, activity levels, and body weight/obesity among fifth-grade students. Fifth graders were targeted because most are pre-pubescent and therefore not yet affected by the differential changes in weight and body composition and the decrease in physical activity associated with puberty. School jurisdictions in Alberta, Canada, were asked to identify elementary schools in socioeconomically disadvantaged neighborhoods with principals who wanted to support healthy eating and active living among their students and were willing to participate in a research study. Ten schools in five jurisdictions were recruited. These schools began implementing the intervention in January 2008, and the intervention period ended in June 2011. The comparison group consisted of two randomly selected subgroups of all publicly funded elementary schools in Alberta. Data for these schools were obtained from the 2008 and 2010 Raising Healthy Eating and Active Living Kids Alberta (REAL Kids Alberta) survey. This survey was part of a study that collected data on health, nutrition, physical activity, lifestyle factors, and measures of height and weight among fifth graders to evaluate the impact of the provincial government’s Healthy Weights Initiative to promote healthy weights among children and youth. All schools in the study (intervention and comparison groups) received materials related to the Healthy Weights Initiative, and all were subject to a province-wide policy mandating that schools with grades 1–9 provide students a minimum of 30 minutes of daily physical activity during school days. The key difference between study groups was the use of a school health facilitator at intervention schools to develop customized action plans meeting each school’s individual needs as well as the requirements of the province’s Healthy Weights Initiative and physical activity policy. The instruments used to measure outcomes were the same for both study groups.

In the intervention schools, cross-sectional samples of students in grade 5 were recruited in the spring of each school year to participate in assessments. Data were obtained for 293 fifth graders in 2008, 344 in 2009, and 394 in 2010. For the comparison schools, REAL Kids Alberta survey data were obtained for 3,421 fifth graders from 148 randomly selected schools in 2008 and from 3,398 fifth-graders from 151 randomly selected schools in 2010. Because the REAL Kids Alberta survey was not administered in 2009 and 2011, no comparison group data were available for those years.

Daily caloric intake (kcal) was measured based on student responses to the Harvard Youth/Adolescent Food Frequency Questionnaire (FFQ), using calorie counts for food items in the Canadian Nutrient File (CNF), one of two databases published by Health Canada that list the nutrient values in Canadian foods.

Self-reported, moderate to vigorous physical activity levels over the past 7 days were measured using the Physical Activity Questionnaire for Older Children (PAQ-C). PAQ-C scores range from 0 to 5, with higher scores indicating higher levels of physical activity.

A separate analysis of physical activity was conducted using pedometer-based assessments carried out in 2009 and 2011. This analysis included the same 10 schools that participated in the intervention in 2008–2011 and a small, random subset of 20 comparison schools that participated in the 2008 REAL Kids Alberta survey. The 2009 data set included 198 fifth graders from the intervention schools and 454 fifth graders from the comparison schools. The 2011 data set included 196 fifth graders from the intervention schools and 309 fifth graders from the comparison schools. Daily pedometer step counts were measured using Omron HJ-720 ITC time-stamped pedometers. Students were asked to wear the pedometers for 9 consecutive days on the right hip directly in line with the knee during all waking hours, unless showering, swimming, or participating in activities that an adult judged to be unsafe. Students were also asked to keep a log of daily activities, including whether the pedometer was worn and the total time it was worn. Students had to report at least 7 full days of pedometer data to be included in the analysis.

Body weight was measured to the nearest 0.1 kilogram on calibrated digital scales after students removed their shoes, and standing height was measured to the nearest 0.1 centimeter. Body mass index (BMI) was calculated as weight in kilograms divided by height in meters squared (kg/m2). Obesity was defined using the International Obesity Task Force BMI age- and sex-adjusted cutoff points for children and youth.

Girls comprised 50.7% of fifth graders in the intervention schools in 2008 and 56.8% of fifth graders in the intervention schools in 2010. Girls comprised 51.5% of fifth graders in comparison schools in 2008 and 50.5% of fifth graders in 2010. For the pedometer subgroup study, girls comprised 47.2% of fifth graders in the intervention schools in 2009 and 51% of fifth graders in 2011, and girls comprised 50.8% of fifth graders in comparison schools in 2009 and 49.1% of fifth graders in 2011.

Key Findings

Graph of Study Results

  • From baseline to year 2 follow-up, fifth graders in intervention schools reported a greater reduction in daily caloric intake (kcal) than fifth graders in comparison schools (p<.001), after excluding students with daily caloric intakes of <500 kcal and >5,000 kcal and adjusting for gender, household income, parental education, and rural residency.

 

Graph of Study Results

  • From baseline to year 2 follow-up, fifth graders in intervention schools reported a greater increase in their levels of moderate to vigorous physical activity over the past 7 days, based on PAQ-C scores, than fifth graders in comparison schools (p=.04), after adjusting for gender, household income, parental education, and rural residency.

 

Graph of Study Results

  • From year 1 follow-up to year 3 follow-up, fifth graders in intervention schools showed greater increases in pedometer-measured daily step counts than fifth graders in comparison schools on school days (p=.009) and on weekend days (p=.005), after adjusting for gender and overweight status.

 

Additional Findings

  • The odds of being obese after 2 years of intervention exposure relative to baseline were 39% lower among fifth graders in intervention schools compared with fifth graders in comparison schools (n.s.). This is equivalent to a 2.2% reduction in the prevalence of obesity among fifth graders in intervention schools over 2 years, compared with a 2.8% increase in comparison schools during the same period.

 

Publications
Primary
Secondary

Tran BX, Ohinmaa A, Kuhle S, Johnson JA, Veugelers PJ. (2014). Life course impact of school-based promotion of healthy eating and active living to prevent childhood obesity. PLoS ONE, 9 (7), 1-8.

Vander Ploeg KA, Maximova K, McGavock J, Davis W, Veugelers P. (2014). Do school-based physical activity interventions increase or reduce inequalities in health?. Social Science & Medicine, 112 (1), 80-87.

Storey KE, Spitters H, Cunningham C, Schwartz M, Veugelers PJ. (2011). Implementing comprehensive school health: Teachers’ perceptions of the Alberta Project Promoting active Living and healthy Eating in Schools—APPLE Schools. PHEnex Journal, 3 (2), 1-18.

Schwartz M, Karunamuni N, Veugelers PJ. (2010). Tailoring and implementing Comprehensive School Health: The Alberta Project Promoting active Living and healthy Eating in Schools. PHEnex Journal, 2 (1), 1-9.

Zhu W, Lee M. (2010). Invariance of wearing location of Omron-BI pedometers: A validation study. Journal of Physical Activiy & Health, 7 (6), 706-717.

Holbrook EA, Barreira TV, Kang M. (2009). Validity and reliability of Omron pedometers for prescribed and self-paced walking. Medicine and Science in Sports and Exercise, 41 (3), 670-674.

Veugelers PJ, Fitzgerald AL. (2005). Effectiveness of school programs in preventing childhood obesity: A multilevel comparison. American Journal of Public Health, 95 (3), 432-435.

Crocker PRE, Bailey DA, Faulkner RA, Kowalski KC, McGrath R. (1997). Measuring general levels of physical activity: Preliminary evidence for the Physical Activity Questionnaire for Older Children. Medicine and Science in Sports and Exercise, 29 (10), 1344-1349.

Kowalski KC, Crocker PRE, Faulkner RA. (1997). Validation of the physical activity questionnaire for older children. Pediatric Exercise Science, 9 (2), 174-186.

Rockett HRH, Breitenbach M, Frazier AL, Witschi J, Wolf AM, Field AE, Colditz GA. (1997). Validation of a youth/adolescent food frequency questionnaire. Prevention Medicine, 26 (6), 808-816.

Rockett HRH, Wolf A M, Colditz GA. (1995). Development and reproducibility of a food frequency questionnaire to assess diets of older children and adolescents. Journal of American Dietetic Association, 95 (3), 336-340.

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