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

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

214 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-08-31

Study Completion Date

2008-12-31

Brief Summary

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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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Detailed Description

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Conditions

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Obesity Cardiovascular Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Group 1

20 min. physical activity routine

Group Type ACTIVE_COMPARATOR

physical activity

Intervention Type OTHER

physical activity routines 5 times a weeks for 12 weeks.

Group 2

40 min. aerobic physical activity routine

Group Type EXPERIMENTAL

physical activity

Intervention Type OTHER

physical activity routines 5 times a weeks for 12 weeks.

Interventions

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physical activity

physical activity routines 5 times a weeks for 12 weeks.

Intervention Type OTHER

Eligibility Criteria

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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.

Minimum Eligible Age

8 Years

Maximum Eligible Age

13 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No