Uptake of the measles mumps and rubella vaccine
| % Uptake before campaign (number vaccinated / target population) | % Uptake after start campaign (number vaccinated / target population) | % Change in uptake (95% confidence intervals) | |
| Distribution area of South Wales Evening Post | 91.0 (1289/1417) | 77.4 (1079/1394) | −13.6 (−16.2% to −10.9%) |
| Rest of Wales | 89.2 (6647/7450) | 86.8 (6715/7738) | −2.4 (−5.5% to −1.4%) |
| Difference in uptake between two areas (95% confidence intervals) | 1.7%1-150 (0.1% to 3.4%) | −9.4% (−7.1% to −11.7%) |
↵1-150 Apparent discrepancy results from rounding error 91.0% − 89.2% = 1.8%, calculation on actual data = 1.7%.