Table 3. Significant predictors of malnutrition (SGA-B) and corresponding odds ratios.
| Univariable model Unadjusted OR | Final Multivariable model | |
| (95% CI) | OR (95% CI) | |
| Gender | 1.37 (0.51–3.66) | |
| Living situation | 1.50 (0.44–5.10) | |
| Age | 1.04 (0.98–1.10) | |
| Age at diagnosis | 1.02 (0.973–1.10) | 1.09 (1.01–1.18)† |
| PD duration | 0.72 (0.94–1.10) | |
| No. comorbid conditions | 0.88 (0.23–3.39) | |
| No. of prescription medications | 0.34 (0.08–1.59) | |
| LEDD | 1.00 (1.00–1.00) | |
| LEDD/weight (mg/kg) | 1.09 (1.02–1.17)* | 1.17 (1.04–1.31)† |
| UPDRS II | 1.08 (1.02–1.14)* | |
| UPDRS III | 1.08 (1.02–1.15)* | 1.10 (1.02–1.19)† |
| H&Y (0–3, less severe) (4 and 5, more severe) | 0.19 (0.05–0.77)* | |
| FOG-Q | 1.00 (0.91–1.09) | |
| ACE-R | 0.96 (0.91–1.01) | |
| MMSE | 0.74 (0.58–0.94)* | |
| STAI | 1.02 (0.972–1.06) | 0.90 (0.82–0.98)† |
| BDI | 1.11 (1.04 1.19)* | 1.23 (1.07–1.41)† |
| SCOPA-AUT | 1.03 (0.97–1.09) | |
| SCOPA-AUT gastrointestinal | 1.16 (1.01–1.33)* | |
| SCOPA-AUT urinary | 0.99 (0.86–1.14) | |
| SCOPA-AUT cardiovascular | 0.92 (0.62–1.34) | |
| SCOPA-AUT thermoregulatory | 1.11 (0.88–1.40) | |
| SCOPA-AUT pupillomotor | 0.72 (0.37–1.39) | |
| SCOPA-AUT sexual function | 1.09 (0.87–1.36) | |
| MCAS | 1.15 (0.96–1.38) |
*
Significant independent predictors of nutritional status (p<.05) in the unadjusted univariable analysis.
†
Significant predictors of nutritional status (p<.05) in the multivariable analysis.
Abbreviations: ACE-R = Addenbrooke's Cognitive Examination-Revised; BDI = Beck's Depression Inventory; FOG-Q = Freezing of Gait Questionnaire; H&Y = Hoehn & Yahr; LEDD = levodopa equivalent daily doses; MCAS = Modified Constipation Assessment Scale; MMSE = Mini-Mental State Examination; PD = Parkinson's disease; SCOPA-AUT = Scales for Outcomes in Parkinson's disease – Autonomic; SGA = Subjective Global Assessment; STAI = Spielberger Trait Anxiety Inventory; UPDRS = Unified Parkinson's Disease Rating Scale.