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OpenTrials
Completed

NCT Number: NCT00836446

Effects of Physical Activity on Cardiovascular Risk Markers in School-Aged Mexican Children

Childhood obesity is a public health problem; in Mexican children a high prevalence of cardiovascular risk factors are present. Physical activity has been proposed as a strategy to reduce this risk. We conducted a pre-posttest intervention study of 214 school-aged Mexican children (4th to 6th grade), to assess the effects of two physical activity routines with different duration and intensity (40 minute aerobic routine vs. 20 minute routine) on cardiovascular risk markers. Physical activity routines were assigned randomly to two public schools in Toluca, Mexico (20 min: group 1 (n= 117), 40 min: group 2 (n=97)). The routines were implemented Monday through Friday for 12 weeks. Nutrition assessment was done before and after the intervention and included anthropometric measurements (weight, height, body mass index, waist circumference and body composition), blood pressure and biochemical analysis (triglycerides, total cholesterol LDL-cholesterol, HDL-Cholesterol, glucose and insulin). Heart rate was monitored 3 times during the intervention to evaluate the routine´s intensity.

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Key information

Conditions

Obesity Behavior Body Weight Cardiovascular Disease Cardiovascular Diseases Motor Activity Nutrition Disorders Nutritional and Metabolic Diseases Overnutrition Overweight Pathological Conditions, Signs and Symptoms Signs and Symptoms

Age range

8 year–13 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Universidad Autonoma del Estado de Mexico

México, Toluca, Estado de Mexico, Mexico

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • All children from 4th to 6th grade, from 2 public urban schools in Toluca, Estado de México

Exclusion criteria

  • If they have a chronic disease
  • If they can not do exercise
  • If they have low body mass index (BMI less than 5th percentile).
  • If they miss more than 20 sessions
  • If they decide that they did not want to participate any more.

Treatment and study plan

Physical activity

Other

physical activity routines 5 times a weeks for 12 weeks.

Primary outcomes

  1. Evaluate the effect of physical activity routine on cardiovascular risk markers

    Time frame: 3 months

Secondary outcomes

  1. measure heart rate to evaluate the intensity of physical activity routines

    Time frame: 3 months

Sponsors and collaborators

Lead sponsor

Instituto Nacional de Perinatologia Isidro Espinosa de los Reyes

Other Gov

Collaborators

  • Universidad Autonoma del Estado de Mexico

Registry information

Important dates

Study start
2008
Primary completion
2008
Study completion
2008
First posted
Feb 4, 2009
Registry last updated
Mar 11, 2009

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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