Table 3. Independent significant predictors of a higher score in Hamilton anxiety (HAM-A) (anxiety screening).
| Independent variable* | Unstandardized Coefficients (B) | p value | 95% Confidence Interval | |
|---|---|---|---|---|
| Lower Bound | Upper Bound | |||
| Modified Hoehn and Yahr stage | 0.823 | <0.001 | 0.389 | 1.258 |
| Ropinirol dose*months | 0.044 | <0.001 | 0.024 | 0.063 |
| Lower Barthel index | -0.057 | 0.001 | -0.092 | -0.022 |
| Smoking (self) | 1.431 | 0.155 | -0.545 | 3.406 |
| Presence of a caregiver | 0.632 | 0.524 | -1.324 | 2.589 |
| Level of education | 1.726 | 0.058 | -0.062 | 3.513 |
*Independent variables with a p<0.05 in unadjusted analysis were selected for linear regression shown here. All variables assessed are given in S1 Table.