It would be misguided to say anything definitive, because these data aren't very specific.
Data covering the years 1990 2008 are used, because these data are complete and do not require any modification.
The new data show clearly that such a model must be refined to describe the new SAPHIR data, because these data are more sensitive to background and resonance contributions.
Longitudinal analysis of smoking data presents unique problems, because these data are usually highly positively skewed (with excess zeros) and render conventional statistical tools (e.g., OLS regression) largely inappropriate.
In the present estimate we used the productivity of Germany as a base line, because these data are available, and both countries represent Central vs Eastern Europe respectively in their forest growth TBFRA-20000).
Because these data are based on 100% FFS Medicare population data, they are perfectly generalizable for the vast majority of elderly persons, for whom these cancers are most prevalent.
Surveillance data are specifically exempted from HIPAA because these data are required to be reported to the health department by state and local laws [58].
Although more recent socioeconomic data are available, we used the data from 2000, because these data are at the highest resolution currently available (block group level, containing 600 3000 people, with an optimum of 1500).
Third, because these data are cross-sectional, inferences about causality cannot be made.
Because these data are financial or accounting costs, they need to be converted into economic costs.
30 Comparison with UK maternal ethnic distribution was not feasible because these data are not in the public domain.
