Researchers have used Google Street View to study hundreds of elements of the built environment, including buildings, green spaces, pavements and roads, and how these elements relate to each other and influence coronary artery disease in people living in these neighborhoods.
Here’s a link to the actual paper, free to read. Notably, the paper starts with the assumption that other studies have already identified a link between environmental factors and heart disease. The focus is on how useful it is to collect that data through street view analysis as opposed to say sending someone out to survey a neighborhood. Also if image analysis can identify interesting environmental factors that researchers may not have identified previously. I can’t comment on their statistics, but they at least claim to be looking for the environmental affect by accounting for age, sex, race, income, and education.