Table 1 Examples of interview questions informed by the Theoretical Framework of Acceptability v2 [16]
TFAv2 Construct | Example Interview Questions |
|---|---|
Affective attitude How an individual feels about an intervention | • How did you feel about the breastfeeding workbook? • How did you feel about the images/quotes including women with higher BMIs? |
Burden The amount of effort that was required to participate in the intervention | • How was the experience of accessing the workbook online? • How did you feel about the length/time it took to read the workbook and/or complete the activities? |
Ethicality The extent to which the intervention has a good fit with an individual’s value system | • How did you feel about a breastfeeding workbook designed specifically for women with higher BMIs who want to breastfeed? • What, if any, might be the ethical issues with offering the workbook to women with higher BMIs? |
Intervention coherence The extent to which the participant understands the intervention and how it works | • How did you find the introduction/glossary sections, which explained how the workbook was developed? • How understandable were these sections? |
Opportunity costs The extent to which benefits, profits or values must be given up to engage in the intervention | • Can you think of anything that might make it difficult for other women to use the breastfeeding workbook? • What, if anything, might women with higher BMIs have to give up to receive/use the workbook? |
Perceived effectiveness The extent to which the intervention is perceived as likely to achieve its purpose | • How far, if at all, do you think the workbook might help women with higher BMIs to breastfeed? • When do you think is the best time for women to receive the workbook? |
Self-efficacy The participant’s confidence that they can perform the behaviour(s) required to participate in the intervention | • How understandable was the content of the workbook? • How did you find completing the activities? |