Here's a link to a US study where it lists how factors like age/sex/race/weight/smoking/health conditions/etc and how it relates to how much more (or less) likely you'll die if infected with covid vs an average healthy person. (so you can determine how "at-risk" you are)
https://www.acpjournals.org/doi/10.7326/M20-3742
Here's the main image below. For Body Mass Index (BMI) those kg/m2 numbers are the typical categories: underweight, normal, overweight, obese. Here's a calculator if you don't know your BMI:
https://www.cdc.gov/healthyweight/asses ... lator.html
Also note it's using log scale at the bottom so things way to the right are like 100x worse than stuff right by the midline. They also list clear numbers at the right so you're not guessing