Sentence examples for county sample from inspiring English sources
The single county sample design may decrease the generalizability of the results.
As a consequence, the sample for the 2000 survey consisted of three subsamples: i) the national sample, ii) the follow-up sample, and iii) the supplementary county sample.
This allowed us to improve the statistical strength of the model through increased county sample size and to remain consistent with the diabetes prevalence data, which also uses 3-year averages.
A systematically selected half (every second person on the list) in each county sample received a scratch lottery ticket costing 3 EUR together with the questionnaire, while the other half received the questionnaire only, i.e. 1,200 in the incentive group and 1,200 in the control group.
To assess the relationship of the Mccp strain isolated from infected Tibetan antelope with previously isolated Mccp strains and the closely related M. capricolum subsp. capricolum (Mcc), we analyzed a 562-bp segment of the H2 gene of Mccp, which was used to distinguish the Mccp and Mcc as reported by Lorenzon et al. (7 ), isolated from an infected Tibetan antelope in Shuanghu county (sample SH3).
Then, in February, the NIH announced a 15% cut in the NCS's $193 million annual budget that could mean replacing the county sampling with pregnant women recruited through providers who are part of health care organizations.
Because the county samples are so small, the monthly data are not seasonally adjusted.
We achieved this primary goal through visualization, by mapping county sampling rates.
We mapped the birth holdings by county and calculated the sampling rate, defined as the proportion of the holdings in each county sampled by the surveys.
In 2004 and 2005, combining the surveys reduced the relative standard deviation (RSD) among county sampling rates (Table 3).
To test for consistency in time, we calculated the correlation matrix for the county sampling rates between different years, comparing within surveys and between them.
