Clinicians and policymakers are recognizing the importance of measuring health-related
quality of life (HRQL) to inform patient management and policy decisions. Self- or interviewer-…

OBJECTIVES. The purpose of this study was to identify circumstances in which biochemical
assessments of smoking produce systematically higher or lower estimates of smoking than …

Application of generic and specific measures of health status and quality of life to different
diseases, conditions, states, and populations is increasing. Four strategies for using these …

OBJECTIVE: Lack of consensus on taxonomy, terminology, and definitions has led to confusion
about which measurement properties are relevant and which concepts they represent. …

Background Aim of the COSMIN study (COnsensus-based Standards for the selection of
health status Measurement INstruments) was to develop a consensus-based checklist to …

Background The COSMIN checklist (COnsensus-based Standards for the selection of
health status Measurement INstruments) was developed in an international Delphi study to …

Purpose Systematic reviews of patient-reported outcome measures (PROMs) differ from
reviews of interventions and diagnostic test accuracy studies and are complex. In fact, …

Before being introduced to wide use, health status instruments should be evaluated for
reliability and validity. Increasingly, they are also tested for responsiveness to important clinical …

Purpose The original COnsensus-based Standards for the selection of health Measurement
INstruments (COSMIN) checklist was developed to assess the methodological quality of …

Background Content validity is the most important measurement property of a patient-reported
outcome measure (PROM) and the most challenging to assess. Our aims were to: (1) …