Table 2.
Multivariate stepwise logistic regression analyses models for different factors that contribute to tinnitus suppression.
| Independent variables | Odds ratio | 95% | p value |
|---|---|---|---|
| Confidence interval | |||
| Age (yrs) | |||
| <30 | 0.24 | 0.06–1.07 | p = 0.061 |
| 31–50 | 0.48 | 0.14–1.69 | p = 0.255 |
| 51–70 | 0.29 | 0.08–1.12 | p = 0.072 |
| >70 | 1 | ||
| Gender | |||
| Female | 1 | ||
| Male | 1.57 | 0.88–2.76 | p = 0.122 |
| Tinnitus laterality | |||
| Left ear | 1 | ||
| Right ear | 0.81 | 0.36–1.81 | p = 0.602 |
| Bilateral | 0.85 | 0.45–1.60 | p = 0.613 |
| Ringing in the head | 1.63 | 0.62–4.31 | p = 0.324 |
| Hearing level | |||
| Normal hearing | 3.25 | 2.01–5.27 | p = 0.001 |
| Sensorineural hearing loss | 1 | ||
| Duration of tinnitus | |||
| >5 yrs | 1 | ||
| 2 yrs < x ≤ 5 yrs | 1.52 | 0.70–3.10 | p = 0.441 |
| 1 yr < x ≤ 2 yrs | 1.61 | 0.82–3.20 | p = 0.731 |
| ≤1 yrs | 2.77 | 1.48–5.19 | p = 0.002 |
| Sleep | |||
| Sleep disturbance | 1 | ||
| Without sleep disturbance | 2.51 | 1.56–4.10 | p = 0.005 |