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:

* Adult caregiver with a 2-5 year old child
* 2-5 year old child with a caregiver
* Caregiver has a working cell phone and is willing to receive regular text messages as part of study participation
* Caregiver lives within feasible travel distance of data collection site and willing to come for data collection visits at 0, 6 months, 12 months, 18 months and 24 months
* Willingness to be randomized to one of two groups with the understanding that all participants will receive all components of the intervention, randomization simply determines the order in which materials are received
* Valid mailing address where participant can receive mail and packages
* Basic English fluency and literacy sufficient for understanding the intervention materials and completing questionnaires

Exclusion Criteria:

* Adults with no children or whose only children are younger than 2 or older than 5
* Children younger than 2 or older than 5 years of age
* No cell phone or unwilling to receive regular text messages as part of study participation
* Lives beyond feasible travel distance of data collection sites AND/OR planning on moving out of the area within a two year period
* Child has major physical or behavioral disorder (e.g. failure to thrive, severe autism) that would seriously impact study participation
* No valid mailing address
* Unwillingness to accept random allocation to study arm
* Spouse/partner of another caregiver-child pair who is living in same home \& who has already enrolled (e.g. only one adult-child pair per household may be enrolled)
B: 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.

-

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
C: Inclusion Criteria:

* children at the age of 7 months and their families, recruited from the general population

Exclusion Criteria:

* severe sickness
D: Inclusion Criteria:

* infant of intervention- or control-kindergarten

Exclusion Criteria:

* absence of parenteral consent to participate

Answer: B