“…However, with the exception of a few studies exploring the frequency and duration of senior center attendance (Ferraro & Cobb, 1987;Krout, 1988Krout, , 1991Miner, Logan, & Spitze, 1993;Sabin, 1993), most studies have primarily focused on the differences between senior center users and nonusers and have investigated various factors related to utilization (Boen, Dalgard, Johansen, & Nord, 2010;Calsyn & Winter, 1999;Heuberger & Caudell, 2013;Krout, 1983Krout, , 1994Krout et al, 1990;Lai, 2006;Pardasani, 2010;Strain, 2001;Walker, Bisbee, Porter, & Flanders, 2004). Unfortunately, the previous literature has overlooked the other category of senior center users-former users-who are also an essential group to consider not only in academic research but also in practice.…”