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. 2012 Jul 12;7(7):e40721. doi: 10.1371/journal.pone.0040721

Table 2. Proportional hazard model within males.

parameter estimate s.e. p value
bill hue −0.1 0.034 0.0056
bill hue2 (omitted) −0.0067 0.0076 0.38
age at measurement 0.00066 0.00061 0.28