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Audio vs text produce-app RCT
A tailored mobile app’s audio messages raised fruit intake more than text or control, while vegetable intake showed no overall main effect.
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What arms did the RCT include?
Text-based tailored info, audio-based tailored info, and a control without tailored content.
Source: A Mobile Phone App Intervention Targeting Fruit and Vegetable Consumption: The Efficacy of Textual and Auditory Tailored Health Information Tested in a Randomized Controlled Trial · DOI · quote verified
Which modality best raised fruit intake?
Audio-based intervention beat both text and control.
Source: A Mobile Phone App Intervention Targeting Fruit and Vegetable Consumption: The Efficacy of Textual and Auditory Tailored Health Information Tested in a Randomized Controlled Trial · DOI · quote verified
How large was the fruit increase with audio?
About three extra pieces of fruit per week.
Source: A Mobile Phone App Intervention Targeting Fruit and Vegetable Consumption: The Efficacy of Textual and Auditory Tailored Health Information Tested in a Randomized Controlled Trial · DOI · quote verified
Vegetable main effect?
No significant main effect of condition on vegetable intake.
Source: A Mobile Phone App Intervention Targeting Fruit and Vegetable Consumption: The Efficacy of Textual and Auditory Tailored Health Information Tested in a Randomized Controlled Trial · DOI · quote verified
Who made the analytic sample?
146 respondents; 73.3% female; mean age 41.4.
Source: A Mobile Phone App Intervention Targeting Fruit and Vegetable Consumption: The Efficacy of Textual and Auditory Tailored Health Information Tested in a Randomized Controlled Trial · DOI · quote verified
Primary behavioural targets?
Self-reported fruit and vegetable intake at 6 months.
Source: A Mobile Phone App Intervention Targeting Fruit and Vegetable Consumption: The Efficacy of Textual and Auditory Tailored Health Information Tested in a Randomized Controlled Trial · DOI · quote verified
What moderators were explored?
Perceived health status and health literacy interactions with condition.
Source: A Mobile Phone App Intervention Targeting Fruit and Vegetable Consumption: The Efficacy of Textual and Auditory Tailored Health Information Tested in a Randomized Controlled Trial · DOI · quote verified
Recruitment framing?
People invited especially if they saw their fruit/vegetable intake as insufficient.
Source: A Mobile Phone App Intervention Targeting Fruit and Vegetable Consumption: The Efficacy of Textual and Auditory Tailored Health Information Tested in a Randomized Controlled Trial · DOI · quote verified
Did text alone match audio for fruit?
No; textual mode did not produce the fruit increase seen with audio.
Source: A Mobile Phone App Intervention Targeting Fruit and Vegetable Consumption: The Efficacy of Textual and Auditory Tailored Health Information Tested in a Randomized Controlled Trial · DOI · quote verified
Key student takeaway?
Delivery channel (audio vs text) can change mHealth diet effects even with similar tailoring.
Source: A Mobile Phone App Intervention Targeting Fruit and Vegetable Consumption: The Efficacy of Textual and Auditory Tailored Health Information Tested in a Randomized Controlled Trial · DOI · quote verified