Sentence examples for by adding the interaction between from inspiring English sources

15 Subgroup analyses were performed by adding the interaction between the subgroup variable and randomised treatment into the analysis of covariance model.

34 Subgroup analyses were performed by adding the interaction between these factors and treatment into the survival analysis model and by observing whether the change in the model log likelihood was statistically significant.

The proportional hazards assumption was tested by adding the interactions between each of the independent variables and the logarithm of time since diagnosis to the model; a joint test of these interactions tests the assumption.

We achieved the first aim by adding the interaction terms between age and sex and between age and hormonal therapy in the multivariable Cox model.

Interactions between mental health and age, ethnicity, prepregnancy BMI, smoking, alcohol consumption, and parity were assessed, by adding the interaction terms one by one to the regression model.

Multiplicative interaction between sleep duration and age/sex was tested using the Wald test by adding the product of sleep and age/sex in the multivariate model.

Interaction between overweight, obesity or abdominal obesity and age (< 50 vs. ≥ 50 years) was tested <span class="lh">by adding the respective product terms to the multivariate models.

An important contribution to this reorganization is added by the interaction between semantic language and memory processes, given that a part of the anatomical subjacent regions are common to both language and memory.

Subgroup analyses, for gender and for baseline standardized ACR (using a median split), will be undertaken by adding an interaction between the subgroup variable and factorial main effects followed by estimation within subgroups.

In addition, the interaction between randomized group and centre was tested by expanding the logistic regression model to add the interaction term.

In order to test the hypothesis of an effect modification by age, relative risk estimates for the age groups were derived by adding an interaction term between the age group and the treatment variable in the final multivariate logistic model.