Please select the eligibility criteria that correspond to the clinical trial below.
Title: Effectiveness of an Implementation Optimisation Intervention Aimed at Increasing Parent Engagement in HENRY, a Childhood Obesity Prevention Programme: a Cluster Randomised Controlled Trial
Brief Summary: This study will test whether parent engagement (recruitment, attendance) in a Childhood obesity prevention programme (HENRY) can be improved in local authorities randomised to receive an Optimisation intervention (in addition to standard HENRY) compared to those continuing to deliver the programme as standard.


Options:
A: Inclusion Criteria:

* Attendance from first to sixth grade
* Ages 6-12 years
* BMI ≥ 85th percentile for age and sex
* Hispanic origin
* Both parents Hispanic
* Low socioeconomic status
* Signed consent from both parents/care givers and active assent from children

Exclusion Criteria:

* Disapproval by the children's physician due to any at-risk medical condition known by the parents
B: 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.
C: Inclusion Criteria:

Local authorities:

* Local authorities providing data from at least 4 Children's Centres
* Courses delivered by trained staff who have been certified by HENRY

Children's Centres:

* At least one course to be delivered per Centre per year
* Sites with a history of providing process data for the previous year.

There will be no exclusions based on the demographics of Children's Centres, but location will be monitored to ensure inclusion of those with diverse social and environmental characteristics.

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Exclusion Criteria:

Local authorities:

* Areas which have plans to decommission the HENRY intervention during the course of the trial; or who are not planning on running HENRY programmes during the trial period.

Children's Centres:

* Centres where ethnography has taken place during Study 2
* Centres who are not planning on running HENRY programmes during the trial period
D: Inclusion Criteria:

* Healthy singleton term born infants of appropriate size for gestational age (AGA) according to the Centers for Disease Control growth charts based on weight at birth between the 5th and 95th percentiles for sex; and born to healthy breastfeeding women. This allows us to assess growth and bone mineral accretion without bias of intrauterine growth restriction.

Exclusion Criteria:

* Infants of mothers with history of gestational diabetes or hypertension in pregnancy; chronic alcohol use; malabsorption syndromes due to malabsorption of vitamin D (celiac disease, Crohn's etc.); and multiple births.
* Should any exclusion criteria be identified after recruitment, the infant will be excluded from the main analyzes, but followed in a separate arm as intent-to-treat.

Answer: C