Coding framework and definition of themes for focus groups
| Theme | Subtheme | Definition |
| Acceptability | Language and reading skills/motivation | Any discussion or points made regarding willingness or ability of parents to engage with written or spoken information or questions |
| Engagement | Any discussion or points made regarding interest in taking part in or attention paid to discussions, demonstrations, or engaging with printed materials | |
| Importance and relevance of messages | Any discussion or points made regarding staff or parents’ feelings towards importance of intervention messages and the relevance they have to parents | |
| Printed materials as communication tools | Any discussion or points made about the role of printed materials as a tool for communicating intervention messages | |
| Attitudes towards intervention content | Any discussion or points made regarding attitudes of parents and staff towards the content of the intervention | |
| Practicality* | Time | Any discussion or points made about the time demands of delivering the intervention |
| Ease of delivery | Any discussion or points made about how easy the intervention was to deliver | |
| Limited efficacy | NA | Any discussion or points made in relation to how the intervention has affected parents’ awareness of dangers or behaviour with hot drinks around children |
| Improvements | NA | Any discussion or points made in relation to ways in which the intervention could be improved |
*Practicality was only addressed in staff focus groups.
NA, not applicable.