Clustered longitudinal data subject to irregular observation

• Published in: Statistical methods in medical research Vol. 30; no. 4; p. 1081
• Main Authors: Pullenayegum, Eleanor M, Birken, Catherine, Maguire, Jonathon
• Format: Journal Article
• Language: English
• Published: England 01.04.2021
• Subjects: informative observation; clustering; inverse-weighting; Longitudinal data; semi-parametric models

Data collected longitudinally as part of usual health care is becoming increasingly available for research, and is often available across several centres. Because the frequency of follow-up is typically determined by the patient's health, the timing of measurements may be related to the outcome...