Table 2.

Wald z-test showing significant differences in reburial time in size class 1 versus 2 and size class 2 versus 3.

Pairwise interactions	df	χ2	p
Wald z-test
1 versus 2	1	15.3	< 0.0001
1 versus 3	1	0.98	0.32
2 versus 3	1	10.4	0.0012