title: Regressive logistic models for ordered and unordered polychotomous traits: application to affective disorders.
abstract: Regressive models are extended to disease phenotypes with two or more affection classes through the use of polychotomous logistic regression. The classes of affection may be ordered (ranked as on a liability continuum), or unordered. Data on affective disorders are used for illustration.
authors.affiliation: Howard University Cancer Center, Washington, D.C. 20060.
authors.forename: G E
authors.initials: GE
authors.lastname: Bonney
authors.forename: G M
authors.initials: GM
authors.lastname: Dunston
authors.forename: J
authors.initials: J
authors.lastname: Wilson
mesh_terms: D000341:Affective Disorders, Psychotic / Q000453:epidemiology / Q000235:genetics*; D003625:Data Collection; D006801:Humans; D008957:Models, Genetic; D010641:Phenotype; D012044:Regression Analysis