“…Although some studies have found no relationship between age and SOC within older age groups (Smits, Deeg, & Bosscher, 1995;Schneider, Driesch, Kruse, Nehen, & Heuft, 2006), evidence suggests that change in SOC may not be linear during the second half of life, peaking among late middle aged and young-old individuals (Surtees, Wainwright, Luben, Khaw, & Day, 2003;Nilsson et al, 2003). However, most longitudinal studies are limited in their ability to examine long-term change in SOC.…”