Table 1. Participant characteristics (total population).

Sex (m/f)	1455/1550
Age (range/mean/SD)	57–85/69.3/7.9
Odor ID scores (range/mean/SD)	0–5/4.1/1.0
Education (<hs/hs, equiv/vc, assoc/bchl)	699/793/856/657
Smoking (current/former/no)	444/1287/1272
Self-reported physical health (poor/fair/good/very good/excellent)	224/582/906/921/360
Self-reported mental health (poor/fair/good/very good/excellent)	53/288/837/1098/719

ID = identification; <hs = less than highschool; hs, equiv = highschool diploma/equivalency; vc, assoc = associate’s (2-year college) or post-HS vocational certificate; bchl = bachelor’s (4-year college) degree or more.