Sentence examples for practices and sampling from inspiring English sources

Several factors that may vary among study participants can affect the concentrations of hopanes: cleaning practices and sampling surfaces (carpeted vs. non-carpeted) play a role in the amount of chemicals that deposit inside the homes as shown in the city-specific analysis.

Pharmacies were grouped by distance from the nearest GP practice and sampled to reflect the distribution by distance of all pharmacies in Nottingham.

Information was collected on the management practices and samples of water, pond bottom, feed and shrimp collected throughout the production cycle.

Table 2 Survey practices and sample physicians B: Number of physicians and practices among treatment and control group   Number of practices Number of physicians   Comparison Treatment Total Comparison Treatment Total 2007 11 11 22 67 100 167 2008 4 4 8 17 35 52 2009 8 8 16 97 117 214 Total 23 23 46 181 252 433 Sources: AAOS Survey Data, 2012; CMS NPPES Downloadable File [39]; see text.

Proportions (and 95% CI) were calculated using the Surveyfreq procedure, taking into account clustering by GP practice and sample weight (as described above) for the adult/child community samples.

The study's limitations were mainly related to the nature of our observations and sampled practices.

First, the toxicity and distribution of As relative to Mn, U, Pb, Ni, Cr, B, Ba, and Mo suggest that the current practice of sampling and testing every tube well in Bangladesh for As to find the safest sources of drinking water should remain the highest public health priority.

In addition the practice of sampling and weighting may bias estimates based on Nationwide Inpatients Sample data.

Practices were sampled purposively and visited between October 2005 and March 2006.

This approach is rarely feasible in practice, and other sampling procedures must often be adopted.

We planned to select a stratified random sample of 20 practices and a random sample of 50 patients from each practice to obtain a total of 1000.