Changes in the estimate of the association between age at the onset of cranial-cervical dystonia and female sex after controlling for potential confounding factors
| Adjustment | Regression coefficient | 95% CI | p Value |
|---|---|---|---|
| The models were fitted on 185 women and 79 men. CI, confidence interval. | |||
| None | 4.9 | 1.1 to 8.6 | 0.011 |
| Duration of disease | 5.2 | 2 to 8.9 | 0.003 |
| Education level | 2.2 | −1.5 to 6.01 | 0.24 |
| Distance of referral | 4.9 | 1.1 to 8.7 | 0.011 |
| Duration of disease, education level, and distance of referral | 3.2 | −0.2 to 6.8 | 0.07 |