Quantitative social scientists use survival analysis to understand the forces that determine
the duration of events. This Element provides a guideline to new techniques and models in …

Political scientists commonly use Grambsch and Therneau's (1994, Biometrika 81, 515–526)
ubiquitous Schoenfeld-based test to diagnose proportional hazard violations in Cox duration …

Purpose: For male cancer survivors, the combination of stress urinary incontinence and
recurrent bladder neck contracture presents a management dilemma with poor consensus …

Primary Hyperparathyroidism (PHPT) is a common endocrine disorder characterized by
elevated calcium levels and inappropriately high parathyroid hormone (PTH) levels. Mild …

Introduction: Few studies have focused on incident dismobility–a severe form of slowed
walking–following falls. We aimed to characterize the degree to which self-reporting falls …