Estimation of Vaccine Efficacy in Non-Randomly Mixing Populations

Selective non-response to clinical asses

Selective non-response to clinical assessment in the longitudinal study of aging: implications for estimating population levels of cognitive function and dementia

✍ Kaarin J. Anstey; Mary A. Luszcz 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 75 KB 👁 2 views

## Objective: To identify the cognitive outcome of interviewed participants who did not progress to partake in clinical assessments in a longitudinal aging study. ## Design: A retrospective study was conducted on participants who were interviewed but who did not complete the clinical assessment (