Table 4 Univariate linear regression of each pure tone thresholds (PTT) with various variables

Speech reception threshold

0.91 (0.88,0.95)

< 0.001*

0.94 (0.91,0.97)

< 0.001*

0.91 (0.86,0.95)

< 0.001*

0.69 (0.63,0.76)

< 0.001*

Sex

-0.85 (-3.41,1.72)

0.5173

-1.2 (-3.75,1.34)

0.3525

-0.41 (-3.09,2.27)

0.7661

-0.42 (-3.17,2.34)

0.7662

Age

0.36 (0.19,0.53)

< 0.001*

0.42 (0.25,0.59)

< 0.001*

0.47 (0.29,0.64)

< 0.001*

0.45 (0.27,0.63)

< 0.001*

Tinnitus

-4.68 (-7.32,-2.05)

< 0.001*

-4.78 (-7.39,-2.17)

< 0.001*

-4.07 (-6.83,-1.31)

< 0.001*

-2.73 (-5.57,0.12)

0.06022

Cognitive impairment

-0.6 (-3.45,2.25)

0.6798

-1.17 (-3.99,1.66)

0.418

-0.7 (-3.67,2.28)

0.6454

-1.2 (-4.26,1.85)

0.4398

Movement disorders

-0.62 (-3.53,2.29)

0.6741

0.33 (-2.55,3.22)

0.8212

0.94 (-2.09,3.98)

0.5418

0.66 (-2.46,3.78)

0.6762

Diabetes mellitus

-0.37 (-2.94,2.19)

0.7744

-0.57 (-3.12,1.97)

0.6579

-0.28 (-2.96,2.4)

0.8375

-0.92 (-3.67,1.83)

0.5123

Cerebrovascular diseases

3.46 (0.24,6.69)

0.0351*

2.46 (-0.74,5.66)

0.1311

1.99 (-1.38,5.37)

0.2466

0.73 (-2.74,4.2)

0.6802

Hypertension

-1.73 (-4.29,0.84)

0.1861

-3.52 (-6.05,-0.99)

0.0064*

-2.95 (-5.62,-0.28)

0.0303*

-1.95 (-4.7,0.8)

0.1638

Disorders of lipoprotein metabolism

-1.64 (-4.24,0.97)

0.2175

-2.07 (-4.65,0.5)

0.1148

-2.47 (-5.18,0.25)

0.07462

-1.45 (-4.25,1.34)

0.3074

Depressive episode

0.05 (-5.81,5.91)

0.987

0.21 (-5.59,6.01)

0.9433

2.19 (-3.92,8.3)

0.4817

5.35 (-0.92,11.61)

0.09432

Hearing aid fitting

1.98 (-1.26,5.23)

0.2296

1.12 (-2.1,4.33)

0.4951

0.9 (-2.49,4.28)

0.604

2.34 (-1.14,5.81)

0.1868