Table 3.

Participant characteristics at the eligibility assessment (visit 1). SD = standard deviation.

	Treatment (Mean, SD)	Placebo (Mean, SD)	Difference between Groups
Age	49.1 (11.3) years	51.8 (12.2) years	t = 1.15, p = 0.25
Gender	33 male: 17 female	37 male: 13 female	X2 = 0.76, p = 0.38
Hearing level (pure tone average) dB HL	15.85 (10.86)	16.45 (11.96)	t = −0.26, p = 0.79
Tinnitus Handicap Inventory (THI)	40.7 (16.4)	41.4 (16.0)	t = 0.18, p = 0.89
Beck Anxiety Inventory (BAI)	4.7 (4.7)	5.4 (6.6)	t = 0.67, p = 0.51
Beck Depression Inventory (BDI)	8.4 (6.0)	9.9 (7.3)	t = 0.47, p = 0.32