From: A systematic review of types of healthy eating interventions in preschools
Rating | Definition | Study description | Design & methods |
---|---|---|---|
* | Weak | Many details missing (three or more of the following: setting, intervention design, duration, intensity, population or statistical analysis) irrelevant design or methods | Methodological flaws (in statistical methods used or design of intervention) or the intervention was in a non-natural environment i.e. food laboratory |
** | Moderate | One or two details missing | Small sample size (<50) or short duration (<one week) |
*** | Strong | One or two details missing | Larger sample size or longer duration |
**** | Very Strong | Clearly presented with all details provided | Larger sample size or longer duration and at least one of the following criteria: population randomly allocated or matched for intervention or control, generalizable results, or validated dietary assessment |