Table 2. Unadjusted Means of Maximum Phonation Time(s) as a Function of Age, Gender, and Trial.

	Age Group	Trial 1	Trial 2	Trial 3	Mean	Std. Error of the Mean	Range
Males	61-70	26.00	26.14	26.57	26.24	1.22	16-35
	71-80	23.21	22.57	23.57	23.12	1.71	7-58
	81-90	21.77	21.23	22.15	21.72	1.53	10-50
	Total	23.24	22.79	23.65	23.23	0.96	7-58
Females	61-70	17.25	18.12	21.00	18.80	2.55	8-60
	71-80	22.83	22.50	23.08	22.81	1.37	12-45
	81-90	20.00	20.33	21.60	20.64	1.25	5-41
	Total	20.34	20.57	21.97	20.96	0.92	5-60
Both	61-70	21.33	21.87	23.60	22.27	1.56	8-60
	71-80	23.04	22.54	23.35	22.97	1.11	7-58
	81-90	20.82	20.75	21.86	21.14	0.97	5-50
	Total	21.77	21.67	22.80	22.08	0.67	5-60
By Trials	Mean	21.77	21.67	22.80	22.08
	Std. Error	1.09	1.12	1.27	0.67