Table 2. Influence of all variables on ZBI scores. Multivariate linear regression analysis (“ANOVA”).
| Coefficients | Standard error | Stat t | P–value | |
|---|---|---|---|---|
| Intersection | –1.1622513 | 63.24320726 | –0.01838 | 0.985739 |
| UPDRS | 0.363516819 | 0.296613001 | 1.225559 | 0.251467 |
| MMSE | 0.677025084 | 1.135074897 | 0.596459 | 0.565568 |
| Disease duration | 0.696595041 | 0.932580117 | 0.746955 | 0.474152 |
| Patient age | 0.236716719 | 0.485767499 | 0.487305 | 0.637692 |
| KI | –0.416326607 | 0.511649697 | –0.81369 | 0.436817 |
| Other diseases | 5.797262825 | 5.089930818 | 1.138967 | 0.284124 |
| ABEP2015 | 1.337922656 | 4.406154348 | 0.303649 | 0.768298 |
| Help from other caregivers | 9.520891711 | 7.781361764 | 1.223551 | 0.252189 |
| Total time as carer (YEARS) | –0.122479033 | 0.910787971 | –0.13448 | 0.895986 |
| Living in same dwelling | –11.26743373 | 10.76670289 | –1.04651 | 0.322618 |
| Weekly hours dedicated to patient care | –0.024971393 | 0.131735604 | –0.18956 | 0.853862 |
P<0.05 (confidence interval of 95%); UPDRS: Unified Parkinson’s Disease Rating Scale/MMSE: Mini-Mental State Exam/KI: Karnofsky Index/ABEP2015: socioeconomic classification according to Brazilian Marketing Association version 2015.