Please select the eligibility criteria that correspond to the clinical trial below.
Title: Effectiveness of a Leisure Time Physical Activity Intervention on the Overweight and the Obesity in Schoolchildren. The Cuenca's Study
Brief Summary: The purpose of this study is to evaluate the effectiveness of a recreational physical activity intervention (RPAI) for reducing the prevalence of overweight/obesity and other cardiovascular risk factors


Options:
A: Inclusion Criteria:

* age 3-6 years

Exclusion Criteria:

* severe atopic dermatitis,
* serious acute infectious diseases,
* physical malformations, and
* severe physical disabilities.
B: Inclusion Criteria:

* Children between the ages of 9-12 years old.
* Child and family are able to speak, understand, read and write English.
* No medical problems, including epileptic seizures, that would prevent child from playing inactive or active video games.
* No family history of epileptic seizures.
* Parents will allow child to play our video games.
* Household does not currently has a Wii video game console.
* Baseline visit activity monitor wear will be a compliance criterion for moving forward in the study. Although we ask for 7 days of data, if they return 5 complete days, then they meet the criteria. Without 5 complete days, they are dropped before randomization and thus before receiving the Wii. If we cannot get 5 or 7 days at baseline, it is unlikely that we will get 5 of 7 days at ensuing assessments (based on our 10+ years experience of collecting this type of data).

Exclusion Criteria:

* Children not between the ages of 9-12 years old.
* Child having epilepsy (since playing video games may lead to seizures among those with epilepsy).
* Family history of epileptic seizures.
* Household members not able to speak, understand, read and write English.
* Other medical problems that prevent child from playing inactive or active video games.
* Parents will not allow child to play our video games.
* Household currently has a Wii video game console.
* Child not wearing nor completing the initial baseline 7 day, minimum 800 minutes per day, activity monitor data collection.
C: Inclusion Criteria:

* Children between 2 and 4 years and 11 months of age at the beginning of the study.
* Overweight children, defined as a BMI score of z \> = 1.5 and \< +3 based on the WHO standards.
* The children's parents accept participation in the study.

Exclusion Criteria:

* Families who plan on changing their address during the study.
* Families whose doctor considers them to be inappropriate for participation in the intervention, as with emotional or mental alterations.
* Children who require a special diet for medical reasons or children with limited motor functioning.
D: The Boards of Governors (community participatory organ in each school) and the children's parents will inform of the study's aims and methods, and give their written consent to the children's participation. Similarly, the study will present classroom-by-classroom to the children, and their oral consent will obtain. Participant children will be free of serious learning difficulties, or physical or mental disorders, that could impede participation in the scheduled physical activities.

Answer: D