Another limitation of our study is that the dose- response analyses are based on years since first subscription and we did not have information on the actual amount of mobile phone use.
This benefit must be weighed against the overall short and long term risks, which must be individualised for women based on years since menopause, medical history, and chosen regimen.
All analyses were stratified based on years since completing medical school, comparing physicians who completed medical school fewer than 20 years ago (ie, 1991 or later) with PCPs who completed medical school 20 or more years ago (ie, 1990 or earlier).
25 The summary statistics used and reported in this section are derived from a set of custom tabulations compiling summary statistics for cells of immigrants based on sex, year of arrival, years since arrival, whether or not education full-time credits were claimed, and whether or not immigrants were from Western countries.
These figures may vary since some sources are based on the year of establishment, others on the year of registration.
Since this 'trend' is based on one single year after vaccine introduction, the interpretation of these data should be done with caution.
Dynamic location problem (DLP) models are sorted based on their year of publication in ascending order since 1968 until now to clearly demonstrate the trend of this evolution (Table 2).
Based on 4 years of field observations since the construction, thermal and displacement performances of tower foundations in permafrost regions along the QTPTL were analyzed.
Since the fragmented forest plots were isolated in different years, we analyzed data from fragmented forest plots based on time since fragmentation, rather than calendar year (year 1 = year plot was fragmented).
Since vacation entitlements are based on calendar years, employees can generally use remaining entitlements in the first months of the subsequent year.
