Table 3. Statistical results of comparisons between playback treatments for the time spent in vigilance while chewing and exclusive vigilance in the pre- and post-playback periods.

Periods	Contrast pairs	Vigilance while chewing			Exclusive vigilance
		Coeff ± SE	t	P	Coeff ± SE	z	P
Pre-playback	Lion vs. Control	ns	ns	ns	ns	ns	ns
	Impala vs. Control	ns	ns	ns	ns	ns	ns
	Lion vs. Impala	ns	ns	ns	ns	ns	ns
Post-playback	Lion vs. Control	ns	ns	ns	-0.689 ± 0.099	-6.973	>0.001
	Impala vs. Control	0.227 ± 0.096	2.887	0.006	ns	ns	ns
	Lion vs. Impala	0.279 ± 0.105	2.654	0.011	0.841 ± 0.110	7.676	>0.001

The statistical comparisons included the Holm correction (for multiple comparisons).