Sentence examples for introduced interactions from inspiring English sources

Fifthly, we checked the proportional hazards assumption by testing for a zero slope in the scaled Schoenfeld residuals over time 15 and, as necessary, introduced interactions with analysis time for any covariates with evidence of non-proportional hazards.

This is because apart from using the clonal selection mechanism, OptAiNet also introduced interactions between antibodies, that is, the antibody population will undergo a network suppression procedure, and those antibodies with lower fitness values among similar antibodies will be eliminated to make the search diverse.

To further examine how areal socioeconomic characteristics influence the SES-health association, we introduced interaction terms between the SES variables and the area income level.

We considered the possibility of interaction between some explanatory variables and sex, because of the marked sex differences in their distribution and introduced interaction parameters into the regression models to test for interaction formally using the likelihood ratio test.

The convenient approach was used in conversations where chance events introduced interaction with people.

These interactions have been widely replicated [ 18- 20] and also have introduced interaction as a departure from additivity, the less well-known type of interaction [ 21], to the complex disease genetics field.

We introduced interaction terms between the smoking category - ETS in never-smokers - and pre-selected potential effect modifiers to the fully-adjusted model one by one and noted the p-values of the interaction terms.

To estimate modification of the ΔPM10 effect on average lung function decline by genotype, we introduced interaction terms between ΔPM10 and genotypes into the above-described covariate-adjusted mixed linear models independently for each SNP.

To assess the validity of the proportional hazards assumption, we introduced interaction terms between follow-up time and our exposures, and we used likelihood ratio tests to assess evidence for departures from this assumption.

Finally, building on model 1, we introduced interaction terms between diagnostic group and fish consumption, with the aim of determining whether the relationship between intake (exposure) and blood Hg was modified by diagnostic group.

Third, we subdivided post-menopausal women by postmenopausal hormone use status (PMH) at age t and t − 4 and introduced interaction terms of 4-year weight change by PMH (models 4 and 5, Table  2).