Table 2.

The best multiple linear regression model summary

Predictor variable	Estimate	95% CI	P value
Intercept	−28.94	−41.70 to 16.18	<0.0000
Work less: no	Ref
Work less: reduced hours	−6.25	−23.90 11.39	0.48
Work less: stopped work	−0.58	−10.52 to 9.36	0.91
Work less: disability allowance	−25.30	−46.35 to 4.24	0.02
Baseline tinnitus severity	0.83	0.65 to 1.00	<0.0001
Education level: high school or less	Ref
Education level: college	−2.25	−12.61 to 8.11	0.67
Education level: vocational training	0.98	−10.29 to 12.25	0.86
Education level: batchelor’s degree	5.14	−4.13 to 14.42	0.28
Education level: master’s degree or above	16.81	5.78 to 27.84	0.003

CI, Confidence Interval.