Egger's test was used to provide further statistical evidence; similarly, we did not find significant publication bias in this meta-analysis (t = 0.95, P = 0.345).
To provide further statistical evidence on this issue, dominance tests were conducted between concentration curves for consecutive survey years as well as between the concentration curves from the earliest and most recent survey years.
Most statistical packages provide further statistics that may be used to measure the usefulness of the model and that are similar to the coefficient of determination (R) in linear regression [ 3].
Online supplementary appendix 2 provides further details of our statistical methods for calculating CIs around the changes.
This study also provides further empirical evidence that statistical control for seafood nutrients can improve estimation of the adverse effects of prenatal exposure to seafood contaminants.
In addition, the incorporation of gene-gene interactions in the statistical model provides further insight into the genetic factors that underlie body composition traits.
At this stage, the expert panel may request Registry technical staff to provide further information or additional statistical analyses.
Graphical and statistical results provide further insights and validation to DRT.
Possible explanation for this discrepancy is provided further in Section 4 based on statistical significance of the obtained results.
In this paper, we have used a novel statistical approach to provide further epidemiological insights into the relative effect of different type of smoking patterns on lung cancer.
