Psychosocial assessment and relative risk of repetition within different time periods.

<p>Statistically significant hazard ratios are highlighted in bold.</p>1<p>Adjusted for baseline characteristics (please see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0070434#pone-0070434-t001" target="_blank">Table 1</a> footnote).</p>