In some randomized clinical trials, patients may die before the measurements of their outcomes. Even though randomization generates comparable treatment and control groups, the remaining survivors often differ significantly in background variables that are prognostic to the outcomes. This is called the truncation by death problem. Under the…

National average happiness and the difference in happiness between women and men are positively correlated in European countries. This study focuses on this cross-country relationship and tests (1) whether, after controlling for socio-economic factors, the correlation is attributed to their direct relationship, or, alternatively, explained by the…

Challenges the pessimistic conclusions of recent studies of longevity and health among the elderly which claim positive trends in prolongation of life have not been matched by extension of healthy life. Examines conceptual issues related to measurement and dynamics of mortality-disability. Uses data from the 1986 Longitudinal Study of Aging to…

This response to a study by D. Strauss and T. Kastner, which compared mortality rates for individuals with mental retardation in either community or institutional settings, notes that all previous research on this subject had found institutional mortality rates higher than those in the community. Methodological concerns are raised about the study.…

Data on cancer among American Indians and Alaska Natives are sparse and riddled with misclassification errors, resulting in underreporting of cancer incidence and mortality. Incidence rates are discussed for various cancer types in seven Native nations. Barriers to participation in cancer prevention and control programs are examined. Contains…

Child labor remains one of the most controversial challenges at the end of the 20th century. Approximately 250 million children in developing countries work either full- or part-time. Child labor is not confined to less-developed countries, as economic transitions bring shifts in the prevalence and nature of child labor. Throughout the world,…