Adherence
Public health media campaigns using simple, consistent messages can effectively increase community knowledge and lead to measurable increases in fruit and vegetable consumption.
If you are looking for reliable nutrition advice, look for public health campaigns that use simple, consistent messages. These are more likely to be effective in helping you make positive changes to your diet, such as increasing your fruit and vegetable intake.
There was a population net increase of 0.8 in the mean number of servings of fruit and vegetables per day over the 3-year campaign period(18).
Why this rating
Based on a cited evaluation of a specific campaign (Go for 2&5), which appears to have robust evaluation methods, though the current paper is a review of such efforts.
Source
Exploring nutrition knowledge and the demographic variation in knowledge levels in an Australian community sample
Gillian Anne Hendrie et al. · Public Health Nutrition · 2008
This is one finding among thousands. Every one is graded and traced to its source, so you can see what the evidence actually supports. Browse the research →