The phrase "a proxy for healthy" is correct and usable in written English.
It can be used when discussing something that serves as a substitute or indicator for healthiness or well-being.
Example: "In many diets, sugar substitutes are often seen as a proxy for healthy eating, even if they come with their own set of concerns."
Alternatives: "an indicator of health" or "a substitute for healthiness".
Although general or multivitamin supplementation may be used as a proxy for healthy behaviors in some instances, it may be more difficult to do so in a population of pregnant women.
Similarly, WIC status was used as a proxy for healthy food stocking, since stores carrying WIC must have a minimum required stock of certain healthy foods at all times.
For mercury, since the major source of exposure in humans is methylmercury from seafood consumption [ 86], adjustments for nutrients (for example, selenium, magnesium, n-3 fatty acids), lifestyle (seafood as a proxy for healthy diet), and other toxicants (POPs) in seafood should be considered.
The underlying factor for this interaction was probably that the term abroad served as a proxy for healthiness or a healthy traveler effect.
Grocery stores/supermarkets are usually a proxy for 'healthy' food choices, providing a range of fresh produce [ 10, 14, 23- 25].
Though grocers are often used as a proxy for 'healthy' food options, they also stock the items included in the unhealthy diet score: fizzy drinks, crisps, sweets and biscuits.
This alone, however, might not explain the 30% decrease in risk, as income is only a proxy for a healthy lifestyle.
It is also possible that moderate alcohol drinking is a proxy for a healthy or privileged lifestyle or an associated exposure.
Fish consumption has been considered as a proxy for a healthier lifestyle that protects against depression.
Given that EBR is hypothesized to be particularly sensitive to DRD2 function, these findings suggest caution in using EBR as a proxy for dopamine function in healthy humans.
It may be that vitamin/mineral supplement use is a proxy for a consistent, organized household or healthy behaviors resulting from overall adaptive family functioning [ 53].
