This indicates that in practice, both large interactions between balancing factors and similar numbers of patients in most strata are necessary for a covariate-adjusted analysis to affect type I error rates after balancing within strata.
However, in most cases strata are not dated by their fossils, but by their position relative to other strata and by radiometric dating, and most strata were dated before the theory of evolution was formulated.
Stratifying by mapped BA was also found to reduce standard errors of accuracy estimates for most year by biome strata indicating that this advantage of stratification and sample allocation applies generally to a range of conditions (i.e., biomes and years).
For example, average pounds of fungicides applied are 1820, 4030, 2740, and 2140 for most urban to most rural strata, respectively.
Hence overall overreporting in this stratum is likely to be small for most practical purposes.
In our study, for most metals the observed HRs associated with metal exposure were higher in the high population density strata than in the low population density strata, although except for arsenic, for which we observed a marginally significant pinteraction of 0.06, none of the other tests for interaction were significant.
Within the most urban strata, the PD for the sociodemographic domain index was 0.0256 (0.0307, 0.0307).
Our microbiological investigations of the deepest and thus most ancient strata of the Antarctic ice sheet for the first time gave evidence for the natural phenomenon of long-term anabiosis (preservation of viability and vitality for millennia years).
Consumption of salted fish, salted vegetables and preserved/cured meat were all risk factors for NPC, with elevated ORs of 2.45 (95% CI: 2.03-2.94), 3.17(95% CI: 2.68-3.77) and 2.09 (95% CI: 1.22-3.60) respectively, for the most frequently consumption stratum during childhood.
