Table 2 Means of H1-H2, H1-A1, and H1-A2 at the vowel midpoint after the aspirated and lax stops in the OG and YG groups

	Phonation type	OG		YG
		Female	Male	Female	Male
H1-H2	Aspirated	4.03	5.84	1.65	4.38
	Lax	4.05	5.24	5.03	3.40
H1-A1	Aspirated	1.04	2.04	0.30	0.01
	Lax	0.06	2.74	1.39	0.50
H1-A2	Aspirated	8.26	7.48	5.66	6.51
	Lax	8.55	7.50	6.75	3.93