Figure 1.

Comparison of odds (ln OR) of decreased mortality across several conditions associated with mortality.

Note: Effect size of zero indicates no effect. The effect sizes were estimated from meta analyses: A = Shavelle et al, 2008²; B = Critchley and Capewell, 2003³; C = Holman et al, 1996⁴; D = Fine et al, 1994⁵; E = Taylor et al, 2004⁶; F, G = Katzmarzyk et al, 2003⁷; H = Insua et al, 1994⁸; I = Schwartz, 1994.⁹

Reprinted from Holt-Lunstad J, Smith TB, Layton JB. Social relationships and mortality risk: a meta-analytic review. PLoS Med. 2010;7(7):e1000316. doi:10.1371/journal.pmed.1000316.