I would also postulate that back of the house workers are more likely to be older, lower income and more recent immigrants. So they may have poorer access to he

I would also postulate that back of the house workers are more likely to be older, lower income and more recent immigrants. So they may have poorer access to healthcare or simply less knowledge or experience in navigating the healthcare system or less likely to seek medical attention at all. Then of course, receiving poorer medical care when they do seek it.