this is a thesis topic for my master program in dental hygiene, I’m still in the

this is a thesis topic for my master program in dental hygiene, I’m still in the process of finding a topic that I can measure it easily. I would like you to help me finding instruments and surveys used to measure these ideas. Please be specific possibly looking at food and housing insecurity and maybe psychological distress among dental hygiene students. Try to look at the food security and psychological distress instruments to measure housing insecurity.
basically, give me some resources, and find surveys or instruments that I can used to measure my topic. I live in San Diego, and I should go personally, or online to perform some measurements too. But I want a previously done once regarding the housing insecurity, especially in San Diego. Please help me starting to choose my topic and find the measurements that I can use