Health condition | PDQ-39 | SSCI | PDQ stigma subscale | Wahl Scale | Harvey Scale | Stigma composite |
High blood pressure | 0.10 | 0.07 | −0.06 | −0.05 | −0.03 | 0.00 |
Back/leg surgery | 0.13 | 0.14 | 0.08 | 0.14 | −0.05 | 0.09 |
Headache | 0.04 | −0.02 | −0.05 | 0.05 | 0.13 | 0.06 |
Cancer/tumours | 0.06 | −0.04 | −0.09 | −0.06 | −0.13 | −0.10 |
Depression | 0.56*** | 0.55*** | 0.27*** | 0.14 | 0.10 | 0.38*** |
Thyroid disease | 0.18** | 0.19** | 0.06 | 0.02 | 0.06 | 0.16* |
Anxiety (BAI) | 0.43*** | 0.43*** | 0.29*** | 0.17* | 0.15* | 0.35*** |
Anxiety (PAS) | 0.45*** | 0.45*** | 0.32*** | 0.17* | 0.07 | 0.31*** |
Heart disease | −0.03 | −0.05 | −0.09 | −0.08 | 0.00 | −0.10 |
Total health conditions | 0.39*** | 0.34*** | 0.08 | 0.13 | 0.06 | 0.25*** |
*p<0.05 (trend); **p<0.01; ***p<0.001. Alpha set at 0.01.
BAI, Beck Anxiety Inventory; PAS, Parkinson's Anxiety Scale; PDQ, Parkinson's Disease Questionnaire; SSCI, Stigma Scale for Chronic Illnesses.