2013 MultivariateOrMultivariableRegr
- (Hidalgo & Goodman, 2013) ⇒ Bertha Hidalgo, and Melody Goodman. (2013). “Multivariate Or Multivariable Regression?.” In: American journal of public health, 103(1).
Subject Headings: Multivariable Regression, Multivariate Regression.
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Abstract
The terms multivariate and multivariable are often used interchangeably in the public health literature. However, these terms actually represent 2 very distinct types of analyses. We define the 2 types of analysis and assess the prevalence of use of the statistical term multivariate in a 1-year span of articles published in the American Journal of Public Health. Our goal is to make a clear distinction and to identify the nuances that make these types of analyses so distinct from one another.
Introduction
Most regression models are described in terms of the way the outcome variable is modeled: in linear regression the outcome is continuous, logistic regression has a dichotomous outcome, and survival analysis involves a time to event outcome. Statistically speaking, multivariate analysis refers to statistical models that have 2 or more dependent or outcome variables, and multivariable analysis refers to statistical models in which there are multiple independent or response variables.
A multivariable model can be thought of as a model in which multiple variables are found on the right side of the model equation. This type of statistical model can be used to attempt to assess the relationship between a number of variables; one can assess independent relationships while adjusting for potential confounders.
A simple linear regression model has a continuous outcome and one predictor, whereas a multiple or multivariable linear regression model has a continuous outcome and multiple predictors (continuous or categorical). A simple linear regression model would have the form :[math]\displaystyle{ y=ñ + xò + õ }[/math]
References
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| Author | volume | Date Value | title | type | journal | titleUrl | doi | note | year | |
|---|---|---|---|---|---|---|---|---|---|---|
| 2013 MultivariateOrMultivariableRegr | Bertha Hidalgo Melody Goodman | Multivariate Or Multivariable Regression? |