Table 3.

κ values (with SE in parentheses) for each pairwise comparison between raters, representing interrater agreement

		Rater
Age category	Rater	2	3	4
Infant	1	0.211 (0.036)	0.089 (0.016)	0.145 (0.037)
	2		0.389 (0.067)	0.190 (0.076)
	3			0.196 (0.051)
Juvenile	1	0.385 (0.061)	0.221 (0.027)	0.193 (0.023)
	2		0.256 (0.035)	0.169 (0.029)
	3			0.491 (0.062)
Subadult	1	0.764 (0.091)	0.715 (0.083)	0.580 (0.072)
	2		0.680 (0.083)	0.574 (0.073)
	3			0.749 (0.090)
Adult	1	0.800 (0.082)	0.793 (0.081)	0.759 (0.079)
	2		0.790 (0.084)	0.791 (0.083)
	3			0.829 (0.086)

*, P < 0.05 for all pairwise comparisons (κ – 2SE > 0)