Use of oral steroids, weak/moderate topical steroids, strong/very strong topical steroids, thiazides, beta-blockers, angiotensinII, receptor blockers, low-dose aspirin (only in the DNHR), non-aspirin non-steroidal anti-inflammatory drugs, antidepressants, and statins; diagnoses of non-melanoma skin cancer, diabetes, chronic obstructive pulmonary disease, alcohol-related disease, and moderate to severe renal disease; and highest education achieved (in the DNHR) and socioeconomic level based on the US Census block of residence (in the KPNC database). Here, AGT is linked to chronic obstructive pulmonary disease.