Analysis of time-to-pregnancy data

Statistical models for time-to-pregnancy data are usually formulated in discrete time. Two approaches were surveyed, including methods of accounting for both known heterogeneity (covariates, possibly time-dependent) and unknown heterogeneity (frailty). Delicate censoring and truncation patterns arose for prospective and, particularly, retrospective sampling designs. The inclusion of several pregnancies per couple presents new challenges and possibilities.

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Life-expectancy estimations and the determinants of survival after 15 years of follow-up for 81 249 workers with permanent occupational disabilities

Hazard functions to describe patterns of new and recurrent sick leave episodes for different diagnoses

The effect of rest breaks on time to injury – a study on work-related ladder-fall injuries in the United States

A prospective cohort study investigating an exposure–response relationship among vibration-exposed male workers with numbness of the hands

Adult social position and sick leave: the mediating effect of physical workload

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eISSN:	1795-990X
ISSN:	0355-3140