Logistic Model

{
  "id": "MLC-T-ENV-016012",
  "term": "Logistic Model",
  "field": "Environment",
  "definition": "1. A dose-response model used for low-dose extrapolation.\n\n2. A sigmoid (S-shaped) function that relates the proportion of individuals with a specified characteristic to an independent variable, e.g., dose.\n\n3. A dose-response model used for low-dose extrapolation, of the form: [See PDF page 138 for formula http://water.epa.gov/scitech/swguidance/standards/upload/2007_10_01_criteria_humanhealth_microbial_thesaurus_microbial-thesaurus.pdf] where: P(d) = probability of cancer from lifetime, continuous exposure at dose rate d, and α, β = fitted parameters; and γ = background incidence rate.\n\n4. Dose-response model used for low-dose extrapolation, of the form.... [EPA 2003]",
  "subject": "Science and research",
  "references": [
    "Integrated Risk Information System (IRIS) Glossary",
    "Benchmark Dose Software (BMDS) Glossary of Terms",
    "EPA 2003",
    "Adapted from Thesaurus of Terms Used in Microbial Risk Assessment"
  ],
  "url": "https://mlchart.com/terminology/environment/logistic-model/"
}