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Table 2 Components of the HENRY implementation optimisation intervention

From: A cluster RCT and process evaluation of an implementation optimisation intervention to promote parental engagement enrolment and attendance in a childhood obesity prevention programme: results of the Optimising Family Engagement in HENRY (OFTEN) trial

Intervention component Description Recipient Procedure When
1 HENRY outcome report Data provided to local authority commissioners on how HENRY benefits families that attend to motivate them to support managers in their performance of target behaviours
Reported outcomes include enrolment and attendance and parent-reported behaviour change (e.g. changes to parenting efficacy and family eating behaviours)
Local authority commissioners Data compiled by HENRY central team who produced and circulated the report to commissioners via email Post-randomisation and after delivered HENRY programme (usually delivered in line with school terms)
  Commissioner overview leaflet Leaflet provided to local authority commissioners to persuade them to support managers in their performance of target behaviours
The leaflet includes a description of centre-level target behaviours and their proposed influence on enrolment and attendance
Local authority commissioners Circulated by central HENRY team to commissioners via email Post-randomisation
  Dashboard report One page report circulated to managers to persuade them to perform target behaviours
Report includes feedback on how many parents enrolled and attended the previous HENRY programme and the outcomes achieved by families that attended (e.g. changes to parenting efficacy and family eating behaviours)
Children’s centre managers Data compiled by HENRY central team who circulated reports to HENRY coordinators via email who were responsible for circulating to centre managers Post-randomisation and after each delivered HENRY programme
  Manager information workshop Interactive half-day group workshops for managers delivered in each participating area to learn about the benefits of performing target behaviours along with goal setting and problem solving activities to persuade and enable them to perform them Children’s centre managers Local authority HENRY coordinators delivered the workshops at a local venue after receiving training from central HENRY office Post-randomisation
  Facilitator refresher training Interactive half-day group workshop delivered in each participating area for HENRY facilitators to receive training on how to perform target behaviours and receive information on the expected benefits of performing them. Facilitators are also instructed to introduce ‘peer’ recruitment to parents that attend HENRY to encourage them to recruit their friends and family HENRY facilitators Local authority HENRY coordinators delivered the workshops at a local venue after receiving training from the central HENRY office Post-randomisation
  Revised promotional material (leaflets and posters) Existing HENRY promotional material revised to more accurately portray what the HENRY programme entails, including a change to the tagline ‘Health, Exercise and Nutrition for the Really Young’ to ‘Healthy Family, Happy Home’ to better depict the holistic nature of the programme Children’s centre staff and potential participants Local authority HENRY coordinators distributed promotional material to centres to promote HENRY Post-randomisation and throughout the follow-up period