Table 2 |
||||||
| Demographic and clinical factors associated with sleep problems (assessed by total PDSS score) from a block-wise multiple regression analyses in 176 Norwegian PD patients | ||||||
| Block one | Block two | Block three | ||||
| Variable | Beta | p-value | Beta | p-value | Beta | p-value |
| Age (yrs) | 0.12 | 0.1 | 0.14 | 0.07 | 0.01 | 0.1 |
| Gender | −0.04 | 0.6 | -.05 | 0.5 | 0.07 | 0.2 |
| Disease duration (yrs) | −0.12 | 0.13 | −0.09 | 0.2 | ||
| UPDRS sum part III | −0.15 | 0.07 | −0.05 | 0.5 | ||
| Mental health (SF-36) | 0.36 | <0.001 | ||||
| Fatigue (FQ) | −0.17 | 0.02 | ||||
| Restless legs syndrome | −0.34 | <0.001 | ||||
Svensson et al. BMC Neurology 2012 12:71 doi:10.1186/1471-2377-12-71
