Sentence examples for second level variable from inspiring English sources

This large amount of variability explained by the second level variable could be attributable to some unknown, or not-directly measurable characteristics (such as surgeon's ability), or to a "pool of unfavourable characteristics", whose effects are negligible if considered individually.

We considered BMI and quadratic and 3rd order polynomial functions of BMI as well as the potential confounders, parental educational attainment and household income, as first level variables and considered neighborhood level confounders, rural or urban residency and neighborhood level income, as a second level variable [ 29].

Two-way interactions between first and second level variables were evaluated using product terms.

First, to explore the determinants among family caregivers of chronic viral hepatitis patients, we focused on the main effect of the first level variables (the individual level) and controlled the hierarchical effect in the database rather than explore the second level variables (the community level) and the relationship between them.

The infants were set at the first level variable and the hospitals at the second level, and each practice and morbidity was included as a dependent variable in the multilevel regression model.

Rho statistic and its confidence interval were estimated to determine the amount of variation explained by the second level (ACs) once first level variables (demography, socioeconomic status, supply factors) were adjusted [ 18, 19].

On the one hand, it can be a function symbol: if F is a predicate (resp., a second-level variable), then #F is a singular term denoting the number of things falling under F (resp., in the extension assigned to the second-level variable).[11] On the other hand, the operator #x can be applied to the open sentence Φ x) with x free, thereby binding the variable x.

Neighbourhood economic status, i.e. an aggregated measure on income, was included as a second-level variable [ 19, 20].

The effect of contextual violence was assessed by means of multilevel logistic regression models in which the rate of homicides at each weighting area was a second-level variable.

This process continues by searching within neighbor solutions of the first-level variables to find better solutions, until stopping criteria are met.

Variables of the first level with p value equal or less than 0.25 were retained in the model, and those of the second level were added to it; the second-level variables with p > 0.25 were excluded.