“…However, controversy still exists on whether differences do exist between letter writers and non letter writers. Although some studies found few differences (Chavez-Hernandez, Paramo, Leenaars et al, 2006;Foster, 2003;Girdhar, Leenaars, Dogra et al, 2004;Leenaars, 2004), others found that letter writers were more likely to be young, female, use more lethal suicide methods (e.g., charcoal burning, hanging, or poisoning) and were less likely to have mental and physical illness, previous suicide attempts, or drug addictions (Chia & Tsoi, 1979;Ho, Yip, Chui et al, 1998;Kuwabara, Shiori, Nishimura et al, 2006;O'Connor, Sheehy, & O'Connor, 1999).…”