Modiied versions of the life time distribution are often used in survival analysis. The modi-cations depend on how we choose individuals for the study and on the assumptions on the behavior of the population. A rigorous point process description of the Lexis diagram is used to make the sampling mechanisms and the preconditions transparent. The point process description gives a framework to hand...

CONTEXT Earnings have been shown to be a critical point in workforce recruitment and retention. However, little is known about how much governmental public health staff are paid across the United States. OBJECTIVE To characterize earnings among state health agency central office employees. DESIGN A cross-sectional survey was conducted of state health agency central office employees in late ...

This study examined change in self-reported empathy in a four-wave longitudinal study spanning 12 years (1992-2004) and the association between empathy and other measures, including daily reports of relationship experiences. Participants initially ranged in age from 10 years to 87 years. Cross-sectional and longitudinal associations of age with empathy revealed divergent patterns. Whereas cross...

A Single Target Implicit Association Test (ST-IAT) was used in three internet studies in order to assess the malleability of automatic rejection associations in socially anxious 5 participants. Study 1 and Study 2 explored whether automatic rejection associations could be reduced by an evaluative conditioning task that combined social situations with acceptance. Results showed that the conditio...

Sexual violence is a well-recognized global health problem, albeit with limited population-based data available from sub-Saharan Africa. We sought to measure the prevalence of forced sex in Kisumu, Kenya, and identify its associated factors. The data were drawn from a population-based cross-sectional survey. A two-stage sampling design was used: 40 clusters within Kisumu municipality were enume...

OBJECTIVE The Cochran-Armitage trend test based on the linear regression model has become a standard procedure for association testing in case-control studies. In contrast, the logistic regression model is generally used for estimating effect sizes. The aim of this paper is to propose an approach that allows for association testing and parameter estimation by means of the same statistic. METH...