However, while these results are consistent with our findings for the Districts 10, 20, 40 and 50, they did not match ours for District 30, as we did not find an association between rainfall three months prior and MVEV activity in that district.
As is, federal law only requires districts to establish direct certification data matching for children receiving SNAP benefits.
This study of vaccination of preschool-aged children and the careful records of the city health department's nursing districts enabled Kendrick and Eldering to select controls matched for age, sex, and district (12 ).
Controls were chosen from blood donors who were occupationally non-exposed to pesticides and they were matched for sex, age group and district.
There was a discrepancy of eight percentage points (54% compared with 46%) comparing the baseline for intervention districts to the baseline for matching districts.
Within each region, six districts were chosen, matched for characteristics such as population size, poverty status, urban profile and health infrastructure [ 11].
One control per case, matched for age, sex, year of diagnosis and health district of residence, was selected from hospital discharges.
The results of each district-level LDP team were then compared with the averaged results for the group of comparison districts to which it was matched for the exact same time periods and indicators.
From birth registers, we selected one control child for each case, matched for sex, date of birth (within 6 months), and birth registration district.
Sacramento for decades has matched school district bond funds approved by local voters with state bond funds authorized by all Californians.
