Sentences with phrase «of linear trend across»

Tests of linear trend across categories of coffee consumption were performed by assigning participants the midpoint of their coffee - consumption category and entering this new variable into a separate Cox proportional - hazards regression model.

Tests of linear trend across increasing quintiles of intake were conducted by assigning the medians of intakes in quintiles treated as a continuous variable.

Not exact matches

A test for linear trend of effects across coffee consumption categories was performed by regressing each log RR on the ordered categorical variable for coffee in 5 levels using a random - effect meta - regression model.

Holgate (2007) showed decadal rates of sea - level rise (linear trends over 10 years), but as we have shown in Rahmstorf et al. (2012), those vary wildly over time simply as a result of sampling noise and are not consistent across different data sets (see Fig. 2 of our paper).

Intervention effects will be assessed by conducting linear and logistic random effects models incorporating a time by group interaction or latent growth curve modelling to determine whether trends across the three data points within the course of the patients» treatment differ between the carer groups.39 The models will adjust for confounders and effect modifiers as necessary.