Table 3.

ifarmwell intervention logic and design.

ACTa processes		Behavior change techniques (targeting key behavioral determinants of adoption of ACT processes)b	Persuasive system design elements (to aid engagement)c	Content details
Module 1: taking stock of your current well-being and some practical strategies to get you started
	No ACT processes targeted	Self-monitoring Persuasive communication Information regarding outcomes Personalized messages Modeling or demonstration Goal setting or homework	Reduction Tunneling Tailoring Personalization Self-monitoring Praise Reminders Suggestion Similarity Liking Social learning Normative influence	Feedback from K10d (current levels of distress) and COPEe (current coping strategies) Personalized script for discussion with GPf (if medium or high level of distress identified) Video demonstration of farmer speaking to GP about mental health using a script Psychoeducation tip sheets for 3 user-identified challenges Basic self-care and helpful coping strategies (default) Improving the quality of your sleep Managing conflict with others Improving the quality of your relationship How to get your point across Managing anger Coping with grief and loss Alcohol and drug use Dealing with domestic violence Adapting to new roles What to do if you are feeling down or low Coping after a natural disaster Succession planning Feeling trapped in an unhappy relationship What to expect in upcoming modules (intro to ACT) Homework planning or goal setting to implement tip sheet strategies
Module 2: thoughts are like bullies—how to spend less time in your head
	Acceptance Cognitive defusion Being present Self as context (being aware of your experiences without being attached to them)	Personalized messages Information regarding outcomes Self-monitoring Rewards or positive feedback (encouragement or reinforcement) Problem-solving Persuasive communication Prompts, triggers, and cues Rehearsal of relevant skills Graded tasks Goal setting or homework	Reduction Tunneling Tailoring Personalization Self-monitoring Praise Reminders Suggestion Similarity Liking Social learning Rehearsal	Homework review or problem-solving obstacles Feedback from Automatic Thoughts Questionnaire (identification of key challenging stories) Exploration of existing strategies tried to manage challenging stories. Worked? Pink sheep or elephants exercise; creative hopelessness Video: piece-of-paper metaphor demonstration Audio: notice thoughts while breathing (tool 1) Examining whether particular thoughts are helpful to focus on or not (drag and drop task with feedback; tool 2) Drafting thoughts in to just do it, plan a time, and let it go pens “I’m having the thought that...” exercise (tool 3) Giving stories a name exercise (tool 4) Identifying thinking errors (tool 5) Additional strategies to help you think differently about your thoughts (extra metaphors; tool 6) Homework planning or goal setting to implement strategies
Module 3: Doing what really matters—how to get the most out of life
	Values Committed action	As detailed in module 2 above	Reduction Tunneling Tailoring Personalization Self-monitoring Praise Reminders Suggestion Similarity Liking	Homework review or problem-solving obstacles Consideration of current influences on behavior Valuing questionnaire and tailored feedback (removed, stage 9) Values clarification (drag and drop task) Reflection on current and future decision-making and interactions with others and considering values (tool 7) Planning to live more consistently with top 10 values in next week and next 6 months (acknowledge what already doing, schedule time, and plan to overcome obstacles; tool 8) Homework planning or goal setting to implement strategies
Module 4: training your attention muscle and focusing on the here and now—a more pleasant, less exhausting place to be
	Being present Acceptance Cognitive defusion Self as context Values Committed action	As detailed in module 2 above, plus stress management, relaxation, or mindfulness	Reduction Tunneling Tailoring Personalization Self-monitoring Praise Reminders Suggestion Similarity Liking Rehearsal	Homework review or problem-solving obstacles Identifying existing activities fully present Audio: here and now exercise (tool 9) The basic (mindfulness) formula (tool 10) Audio: 5 slow, deep breaths grounding technique (tool 11) Audio: notice 3 things grounding technique (tool 12) Paying attention to 1 thing at a time when doing everyday activities (tool 13) Audio: letting go of difficult emotions (tool 14) Homework planning or goal setting to implement strategies
Module 5: putting it all together and moving forward
	Acceptance Cognitive defusion Being present Self as context Values Committed action	As detailed in module 4 above	Reduction Tunneling Tailoring Personalization Self-monitoring Praise Reminders Suggestion Similarity Liking Social learning Rehearsal	Homework review or problem-solving obstacles Audio: leaves on a stream metaphor (tool 15) Video: normalizes difficulty in mastering these strategies and encourages persistence Summary of strategies (tool 16) Audio: cows on a truck metaphor (tool 17) Relapse prevention (warning signs): how to get yourself back on track and who you could turn to for extra help

^aACT: acceptance and commitment therapy.

^bAs defined by Michie et al [31].

^cAs defined by Kelders et al [33].

^dK10: Kessler Psychological Distress Scale.

^eThe COPE inventory [70].

^fGP: general practitioner.