A theory based healthy eating leaflet was evaluated against an existing publicly available standard leaflet.
The intervention leaflet was designed to encourage healthy eating in 18-30 year olds and was developed
by modifying an existing British Nutrition Foundation leaflet. The intervention leaflet targeted attitudes
and self-efficacy. Participants (n=104) were randomly assigned either to the intervention, Foundation or
a local food leaflet control condition. Cognitions were measured pre-intervention, immediately after
reading the corresponding leaflet, and once again at two weeks follow-up. Critically, intentions to eat
healthily were significantly greater at follow-up in the Intervention group compared to the other two
groups, with the former leaflet also being perceived as more persuasive. The Intervention group also
showed evidence of healthier eating at two weeks compared to the other two groups. Collectively the
results illustrate the utility of a targeted theory-based approach
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