“…Loneliness is distinct from solitude or aloneness, that is, an objective state of being alone or socially isolated (Cacioppo et al, ; Liu, Gou, & Zuo, ; Peplau & Perlman, ; Tillich, ). Previous studies have postulated that the association between loneliness and depression is reciprocal (Han & Richardson, ; Liu, Gou et al, ; Sahin, & Tan, ; Weeks, Michela, Peplau, & Bragg, ). However, more recent studies, in particular longitudinal investigations, have shown that while loneliness generally predicts an increase in depressive symptoms, an increase in depressive symptoms does not necessarily predict loneliness (Cacioppo et al, ; Green et al, ; Heikkinen & Kauppinen, ; Luanaigh & Lawlor, ; Park et al, ).…”