Table 2 Examples of each type of HLaC+Txt text message and frequency of delivery
Text Message Type | BCTa targeted [32] | Example text message | Frequency |
|---|---|---|---|
Goal checks for physical activity and/or diet | Goal setting (behaviour) | How are u going Barry? Able to eat salad for lunch 5x this week? Text me back so I know how ur going. Jenny | Weekly or fortnightly |
Goal check replies (only sent if a participant replied to a physical activity and/or diet goal check) | Feedback on behaviour | Well done! U have made so much progress over the last 12 months Barry. Pause & reflect on ur achievements, noticed u feel better? Jenny | Sent if a participant responded to a goal check message (24 different replies for Yes AND 24 different replies for No. |
Problem solving Social support | Think about what got in the way Barry. If it was being too busy then try talking to ur partner. Jenny | ||
Self-reward (unspecified) | Great news Barry. Well done! Take time 2 enjoy ur reward & give urself a pat on the back - u really deserve it! Jenny | ||
Self-monitoring of behaviour | A good way 2 get back on track Barry is 2 keep a diary of ur diet 4 a few days. Refer to your diary when needed. Jenny | ||
Goal setting (behaviour) | Barry that’s fantastic! I don’t want u 2 get bored with walking 5x/wk. so if u need a change try a different exercise goal this week. Jenny | ||
Behavioural prompts for physical activity and/or diet | Prompts/cues Self-monitoring of behaviour | Written down ur exercise lately Barry? Keep a record of when u walk 30 min 5 days this week. Jenny | 1–2/week per behaviour (optional) -participants could choose the days to suit habitual timing of their behaviour. |
Problem solving | Remember 2 eat 5 serves veges/day. If being too busy is stopping u try 2 use frozen veges. Jenny | ||
Habit formation | Barry u wanted 2 go to the gym 3x this week. Make sure u put out ur exercise gear 2 make it easier. Jenny | ||
Weight self-monitoring prompt | Prompt/cue Self-monitoring of outcome of behaviour | Time 2 weigh yourself Barry. It’s good to note ur progress in ur HLaC weight tracker. Jenny | Fortnightly (optional) |
Goal setting reminder for weight | Goal setting (outcome) | It’s important to re-set ur weight goal Barry. U currently want to lose 2 kg. If u have a new goal for the next 6 weeks, reply & let me know. Jenny | At 6wks & 18wks (optional) |
Goal setting reminder for physical activity and/or diet | Review behaviour goal(s) Goal setting (behaviour) | Need to update ur goal to walk 30 min 6 x/week? If u have a new goal for the next 6 weeks, reply & let me know. Jenny | At 6wks & 18wks |