title: [How to measure the effect of risk reduction?].
authors.affiliation: Senter for medisinsk metodevurdering, SINTEF Unimed, Oslo. torbjorn.wisloff@sintef.no
authors.forename: Torbjørn F
authors.initials: TF
authors.lastname: Wisløff
authors.forename: Ivar Sønbø
authors.initials: IS
authors.lastname: Kristiansen
mesh_terms: D006801:Humans; D009664:Norway; D011634:Public Health; D012307:Risk Factors; D040242:Risk Reduction Behavior