Table A5. Results of linear mixed-effects models on lip aperture minima

	Estimate	SE	df	t-value	Pr (>[t])
(intercept)	1.441	0.037	751.00	38.525	<2e-16***45
CC [pk]	–2.115	0.053	751.00	–39.991	<2e-16***
Vowel [pp]	–2.299	0.053	751.00	–43.486	<2e-16***
Vowel [ii]	–0.143	0.054	751.00	–2.662	0.007944
SR [fast]	0.051	0.053	751.00	0.972	0.331511
CC [pk] : V [ii]	0.236	0.075	751.00	3.125	0.001844**
CC [pp] : SR [ii]	0.212	0.075	751.00	2.811	0.005061**
CC [pk] : SR[fast]	0.248	0.075	751.00	3.311	0.000974***
CC [pp] : SR[fast]	0.033	0.075	751.00	0.435	0.663629
V [ii] : SR [fast]	–0.147	0.076	751.00	–1.940	0.5125