Table 3.
Analysis of covariance on the Parkinson's Disease Social Functioning Scale score and its factor (total number of participants was 302)
| Dependent variable | Source of variation | Sum of squares | d.f. | Mean square | F-value | P-value | Pairwise comparisons |
|---|---|---|---|---|---|---|---|
| PDSFS | Gender | 283.26 | 1 | 283.26 | 3.03 | 0.083 | — |
| Age | 157.50 | 1 | 157.50 | 1.68 | 0.196 | — | |
| Education | 1.65 | 1 | 1.65 | 0.02 | 0.894 | — | |
| Group | 1890.50 | 2 | 945.25 | 10.10 | <0.001 | Healthy adults = PD-CI > PD-MCI | |
| Error | 2770.16 | 296 | 93.62 | — | — | — | |
| Family life, hobbies and self-care | Gender | 23.02 | 1 | 23.02 | 1.05 | 0.307 | — |
| Age | 77.57 | 1 | 77.57 | 3.53 | 0.061 | — | |
| Education | 2.23 | 1 | 2.23 | 0.10 | 0.750 | — | |
| Group | 239.75 | 2 | 119.88 | 5.45 | <0.005 | Healthy adults = PD-CI > PD-MCI | |
| Error | 6506.76 | 296 | 21.98 | — | — | — | |
| Interpersonal relationship and recreational leisure | Gender | 33.60 | 1 | 33.60 | 1.52 | 0.219 | — |
| Age | 2.60 | 1 | 2.60 | 0.12 | 0.732 | — | |
| Education | 28.33 | 1 | 28.33 | 1.28 | 0.259 | — | |
| Group | 148.54 | 2 | 74.27 | 3.35 | 0.036 | PD-CI > PD-MCI | |
| Error | 6558.17 | 296 | 22.16 | — | — | — | |
| Social bond | Gender | 38.88 | 1 | 38.88 | 3.89 | 0.050 | — |
| Age | 4.53 | 1 | 4.53 | 0.45 | 0.501 | — | |
| Education | 26.15 | 1 | 26.15 | 2.62 | 0.107 | — | |
| Group | 501.49 | 2 | 250.74 | 25.08 | <0.001 | Healthy adults > PD-CI > PD-MCI | |
| Error | 2959.37 | 296 | 9.10 | — | — | — |
PDSFS, Parkinson's Disease Social Functioning Scale; PD-CI, cognitively intact with Parkinson's disease; PD-MCI, Parkinson's disease with mild cognitive impairment; =, no significant difference; >, significantly more than.