The demographic variables included in weighting for the general population sample are gender, age, education, race/ethnicity, region, civic engagement, frequency of internet use and political party identification
For instance, past studies show that GLP-1s may also aid in treating cardiovascular disease, chronic kidney disease, non-alcoholic fatty liver disease (NAFLD), polycystic ovary syndrome (PCOS), and rheumatic diseases, such as rheumatoid arthritis and osteoarthritis
Acta Diabetol 56(3):249272 Ling J et al (2019) DPP-4 inhibitors for the treatment of type 2 diabetes: a methodology overview of systematic reviews
The best way to ensure appropriate testing is to look for a label from a certification program like USP, Informed Choice, ConsumerLab, or NSF International