Healthy cardiovascular habits taught young can lower heart disease risk

heart disease risk, healthy habits

Teaching children about healthy habits can achieve lasting lifestyle changes, lowering cardiovascular disease risk through a multidisciplinary approach

Incorporating healthy cardiovascular health habits into teaching to kids as early as preschool ages, through implementation of school-based programs, has been shown to attain lasting lifestyle changes in children, according to a new review.

Former studies have found that unhealthy lifestyle habits such as a nutritionally poor diet, sedentary lifestyle, and smoking – all of which contribute to cardiovascular disease risk – are frequent among children. Research has also previously found a correlation between poor cardiovascular health in childhood and poor cardiometabolic health in adults.

The SI! Program to improve children’s heart health

Published in the Journal of the American College of Cardiology, the authors reviewed the 10-year results of the SI! Program, which included more than 3,800 children, aged 3-5 years, from 50 schools across Colombia, Spain, and the U.S.

The participating children were assessed on how their knowledge, attitudes and habits changed toward a healthy lifestyle, showing that the children who received the four-month health promotion program demonstrated a substantial increase in knowledge, attitudes, and habits.

Valentin Fuster, MD, PhD, general director at Centro Nacional de Investigaciones Cardiovasculares (CNIC), director of Mount Sinai Heart and principal investigator of the project, said: “The SI! Program (Salud Integral – Comprehensive Health) was developed as a multilevel and multicomponent school-based program for the promotion of cardiovascular health and achieving lasting lifestyle changes in children from preschool age. It was implemented in three countries from year 2009 onwards.”

To calculate the program’s success, assessment tools were adapted to the maturation of the children. Questionnaires included simple pictures and were modified to the sociocultural contexts of each country by using names and pictures of local foods, pictures of local playgrounds and images reflecting ethnic diversity.

When compared with the children who received less than 50% of the program, children who received over 75% of the program were found to have a significant change from baseline in overall knowledge, attitudes, and habits.

Health implementation in schools

Additionally, to assess the lessons learned from the SI! Program, the study authors looked at five factors:

  1. dissemination (conveying information about the program to the school)
  2. adoption (the decision by the school to try the program)
  3. implementation (executing the health intervention effectively)
  4. evaluation (assessing how well the program achieved its goals)
  5. institutionalization (long-term incorporation of the program)

Rodrigo Fernández-Jiménez, MD, PhD, group leader of the cardiovascular health and imaging lab at CNIC and author on the study, added: “The school environment is a great area to introduce lifestyle interventions, because children are spending so much of their time there.

Gloria Santos-Beneit, PhD, scientific coordinator of the SHE-la Caixa Foundation and lead author of the study, said: “There are specific times in a child’s life when improvements can be made to enhance long-term cardiovascular health status. Our review, and previous studies, suggest that 4-5 years of age is the most favourable time to start a school-based intervention focused on healthy habits.”

“Most preschool interventions focus solely on physical activity and diet. The SI! Program breaks down cardiovascular health into four components. Through the first two components, children are learning how a well-balanced diet and physically active life are directly connected to a healthy heart.

“Next, they learn about emotion management, which seeks to instil behaviour mechanisms against substance abuse – mainly smoking – and dietary decisions later in life. Finally, the children are taught about how the human body works and how it is affected by behaviour and lifestyle.”

Tailoring activities based on the country regarding cultural health beliefs and food practices

To appeal preschool-aged children the content being taught, the SI! Program used a heart-shaped mascot named “Cardio” to teach about the recommended healthy behaviours, along with the Sesame Street character Dr. Ruster, a Muppet based on Dr. Fuster, to introduce and convey messages and activities.

Other materials include video segments and printed materials – such as a colourful storybook, an interactive board game, flash cards and a teacher’s guide.

The activities and messages used were tailored based on the country in which the program was implemented, regarding cultural health beliefs or practices related to food, facilities allocated for physical activity, transportation methods to school, meals provided in school, popular songs or stories, and local everyday rituals and celebrations.

Challenges to be considered in implementing the program included family involvement, family socioeconomic status, the amount of time dedicated to the program and long-term adherence strategies.

Fuster added: “Further research is needed to identify specific socioeconomic status factors that influence child health and effectiveness of intervention in the long term, and the issue of sustainability or need for re-intervention.”

The SI! Program has now been expanded across the five boroughs of New York City through the Children’s Health and Socioeconomic Implications (CHSEI) project.

Fuster continued: “The diverse ethnic and socioeconomic backgrounds in New York City offer a unique opportunity to explore which socioeconomic factors, at both the family and borough level, may eventually affect children’s health, how they are implicated in the intervention’s effectiveness, and how they can be addressed to reduce the gap in health inequalities.”

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