title: Mammography in a health maintenance organization.
abstract: The charts of a random sample of 496 women, aged 51 and older, in a staff model health maintenance organization (HMO) were retrospectively audited for mammography frequency over an 8-year period. Of the 496 women, 306 (61.7%) had at least one mammogram. For the 422 women who had been members of the HMO for at least 2 years, 196 (46.4%) had mammography within the previous 18 months.
authors.affiliation: Group Health Cooperative, Madison, WI 53715.
authors.forename: J P
authors.initials: JP
authors.lastname: Hansen
authors.forename: P A
authors.initials: PA
authors.lastname: Knapp
authors.forename: P A
authors.initials: PA
authors.lastname: Newcomb
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006279:Health Maintenance Organizations / Q000592:standards*; D006801:Humans; D008327:Mammography / Q000706:statistics & numerical data*; D008875:Middle Aged; D012189:Retrospective Studies; D014600:Utilization Review / Q000706:statistics & numerical data*; D014922:Wisconsin