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: \*Important: Mother (or caregiver) and child dyads are enrolled together. Both must meet inclusion criteria to participate.

Inclusion Criteria:

Mothers:

* Enrolled in a partnered home visitation program
* Mother or primary caregiver of 2-8 month old child
* BMI above 18.5
* Generally Healthy

Children:

* 2-8 months of age at time of enrollment
* Parent or primary caregiver receiving home visitation services

Exclusion Criteria:

Mothers:

* Any history of an eating or feeding disorder, or obesity related syndrome (such as Prader-Willi)
* Diagnosis of Schizophrenia
* Currently enrolled in a diet and weight loss program, AND either a) significant weight loss of 10+ pounds in the last 6 months, OR b) unwilling to discontinue from current diet and weight loss program.

Infants:

* Infant is clinically underweight (\<5th percentile) or has a history of a feeding or eating disorder
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:

* At least one of the following criteria :

  * One or both parent(s) is/are beneficiary of resource allocation condition
  * One or both parent is/are unemployed
  * Household income below the poverty line
* Minimum of one child aged 3 to 10 at the time of the inclusion
* Stable housing

Exclusion Criteria:

* Parent is under 18
* Family having no permanent address or planned move within a year
* Consent form unsigned
* Opposition of a parent for their child's inclusion in the study
* Higher household income of 1700 euros per month for single-parent family or higher than 2 000 euros for other families
D: 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

Answer: D