Table 1.

Demographic data of the study population (n = 142).

Age (mean ± standard deviation) (years)	59.2 ± 13.6
Male (n (%))	36 (25.4%)
Adductor (n (%))	136 (95.8%)
Professional Voice User (n (%))	24 (16.9%)
Employed (n (%))	81 (57.0%)
Voice Handicap Index – 10 (mean ± standard deviation)	26.3 ± 6.9
Consensus Auditory Perceptual Evaluation of Voice – Overall (mean ± standard deviation)	43.9 ± 20.9
General Self-Efficacy Score (mean ± standard deviation)	33.2 ± 5.8
Disease Specific Self-Efficacy in Spasmodic Dysphonia Scale (mean ± standard deviation)	32.8 ± 5.1
Hospital Anxiety and Depression Scale – Anxiety (mean ± standard deviation)	6.7 ± 3.8
Hospital Anxiety and Depression Scale – Depression (mean ± standard deviation)	3.6 ± 2.8