How Do Interventions Promote Healthy Eating Flashcards
What is an Intervention?
Increase healthful behaviours and decrease unhealthy behaviours
Population wide to specific
Simple to Complex
Should be Theory Driven - HBM, TRA, TPB & TT
Wagenaar 2013
Increasing taxes in Alcohol, reduced a reduction (26%) in road traffic accidents 28 months later and similar rates of alcohol offences.
Sugar Tax - Had significant effect in the UK, retailers dropped their sugar content so they was below the threshold. Instantly having an effect on the amount of sugar in each sugary drink.
Theory based interventions
Cheaper, cost effective
Population wide
Suitable for some behaviours over others.
Richards et al (2006) TT
University based intervention based on Transtheoretical Model:
Stages of change letter, 4 stage-based informational newsletters, 1 motivational interviewing sessions and 2 email contacts.
Intervention resulted in increase in FV 0.9 portions a day’s/ control – no change
Di Noia et al (2008) TT
Computer mediated intervention tailored on the transtheoretical model stages and processes of change increases fruit and veg.
Computer programme – 4 x 30 min sessions based on stages of change
Intervention resulted in increase in FV 0.9 portions a day, control no change
Vaughan et al (2017)
Healthy eating & physical activity intervention for pacific islanders children living in Queen Island.
6-19 years old
Significant increases in knowledge of fruit and veg serving sizes & sugar and caffeine content & self esteem.
Tossi et al (2017)
Age 5 & 12
Month long experiment
Small prize for choosing healthy desert diminished over days/weeks.
If children were able to develop a habit for healthier eating behaviours in intervention settings we could translate to better dietary behaviours.
Intervention Behaviour Wheel
Education Persuasion Incentivisation Coercion - punishment or reward Enablement - increasing means/ reducing barriers to increase capability or motivation Modelling Environmental restructuring Restrictions
Wansink et al (2009)
Salad bar positioned in the centre of canteen and at the side of the room.
More children choosing salad selection with central salad bar compared to side salad bar.
Savage (2013)
3-5 year olds
Study 1 -
Plain reduced fat dip
Favoured flavoured reduced fat dip
No dip
Increase willingness to taste with dip
Study 2
Two unfamiliar vegs or disliked
Favoured flavour
No Dip
Increase willingness.
Ramos et al (2017)
SES, Peer behaviours and school based interventions were measured
Looked at healthy eating habits, and how school healhy programs could improve
educating parents and limiting unhealthy foods and offering healthy based meals could be more effective
Atkins COM-B Model
Overweight Children
Didn’t understand packaging or correct portion sizes - Capability
Didn’t have time to read packaging, used house hold measures - Physical
Parents not always supportive - Social opportunity
Lacked confident in skills - Reflection Motivation
Appleton 2016
Health based promotion poster is better than a healthy based poster.
