title: Clinical impact versus factor analysis for quality of life questionnaire construction.
authors.forename: P M
authors.initials: PM
authors.lastname: Fayers
authors.forename: M
authors.initials: M
authors.lastname: Groenvold
authors.forename: D J
authors.initials: DJ
authors.lastname: Hand
authors.forename: K
authors.initials: K
authors.lastname: Bjordal
mesh_terms: D005163:Factor Analysis, Statistical; D006801:Humans; D011788:Quality of Life; D012107:Research Design; D011795:Surveys and Questionnaires