Table 2.

Questionnaire divided into three factors.

Descriptive statistics
			Statistic	Std. Error
Anxiety and avoidance	Mean		17.42	1.244
	95% Confidence interval for mean	Lower bound	14.88
		Upper bound	19.96
	5% trimmed mean		16.84
	Median		15.00
	Std. Deviation		6.927
	Minimum		11
	Maximum		35
Vocal identity	Mean		13.42	0.971
	95% Confidence interval for mean	Lower bound	11.44
		Upper bound	15.40
	5% trimmed mean		12.93
	Median		12.00
	Std. Deviation		5.408
	Minimum		8
	Maximum		29
Vocal function	Mean		20.03	1.230
	95% Confidence interval for mean	Lower bound	17.52
		Upper bound	22.54
	5% trimmed mean		19.67
	Median		20.00
	Std. Deviation		6.848
	Minimum		11
	Maximum		37