Quality of Life: The assessment, analysis and interpretation of patient-reported outcomes

Preface to the first edition. Preface to the second edition. List of abbreviations. Part A. Introduction. 1. Introduction. 1.1 Patient-reported outcomes? 1.2 What is quality of life? 1.3 Historical development. 1.4 Why measure quality of life? 1.5 Which clinical trials should assess quality of life? 1.6 How to measure quality of life. 1.7 Instruments. 1.8 Conclusions. 2. Principles of measurement scales. 2.1 Introduction. 2.2 Scales and items. 2.3 Constructs and latent variables. 2.4 Indicator variables and causal variables. 2.5 Single global questions versus multi-item scales. 2.6 Single-item versus multi-item scales. 2.7 Psychometrics and item response theory. 2.8 Psychometric versus clinimetric scales. 2.9…