The thinking is linear, where multiple variables contribute differentially in measurable ways to determine a measurable outcome.
Although the pack-years variable could be influenced by intensity in nonadditive terms [ 44], our results were consistent across multiple smoking variables, contributing to internal validity.
In vivo, however, multiple variables may contribute to differential binding of MPIO, including: (1) ligand target pairing; (2) target density; (3) shear forces; (4) specific anatomy.
The presence of peripheral vascular disease is very common in COPD patients, and there are multiple variables that contribute to this disease process including the systemic inflammatory response induced by the inhalation of cigarette smoke, diesel exhaust particles, and other air pollutants [ 38].
Given the importance of self-efficacy as a predictor, the authors further analyzed the data (multiple regression analysis) to determine whether any independent variables contributed to students' sense of self-efficacy.
In this study, we combined ANOVA, multiple regression and GWR and used multiple thematic spatial data layers to define which biophysical and anthropogenic variables contributed significantly to the spatial AGB variation in a disturbed tropical forest landscape.
Following this, we conducted multiple-regression analyses to determine which of the variables contributed to posttest knowledge and posttest attitudes toward science.
As expected, both distal and ultimate variables contributed to the likelihood of the occurrence of multiple behavioral risk factors during follow-up.
Longitudinal Poisson models assessing the direct influence of individual distal and individual ultimate variables on the rate of multiple risk factor score showed that both individual distal and individual ultimate variables contributed to the model (Table 3).
Analyses assessing the direct influence of social distal and social ultimate variables on the rate of multiple risk factor score also showed that both social distal and social ultimate variables contributed to the model (Table 4).
