Age- and sex-adjusted annual relative rate (RR) of change in prevalence of Parkinson's disease (95% CIs) by income quintile for the Manitoba population over 25 y of age
| Urban | Rural | |
| Q1 (lowest) | 1.05 (1.04 to 1.05) | 1.04 (1.03 to 1.04) |
| Q2 | 1.05 (1.04 to 1.06) | 1.00 (0.99 to 1.01) |
| Q3 | 1.03 (1.02 to 1.04) | 1.02 (1.01 to 1.03) |
| Q4 | 1.04 (1.03 to 1.05) | 1.03 (1.02 to 1.03) |
| Q5 (highest) | 1.04 (1.03 to 1.06) | 1.04 (1.02 to 1.05) |