The effect of different methods of collecting data: Mail, telephone and filter data collection issues in utility measurement

摘要: When collecting data researchers can interview participants, conduct telephone interviews, or mailout questionnaires. Often mixed methods are used. Whether these produce equivalent is under-researched in the health-related quality of life (HRQoL) field. In addition, effect using filter questions has not been researched among HRQoL multi-attribute utility instruments. This study randomly sampled from Melbourne, Australia, and employed a test–retest design to investigate whether mail made any difference Assessment Quality Life (AQoL) instrument scores. A question AQoL version investigated filters on There was no significant standard scores between self-completion interview, regardless which administered first. Inclusion encouraged respondents select best response category thereby screening out minor health conditions. The increase by 0.06 7%. previously reported instruments profound implications for economic evaluations cost-utility analysis; there general. conclusion, should feel confident that elicited through administrations directly comparable.