Laura Lee Johnson

Total and Cancer Mortality After Supplementation With Vitamins and Minerals: Follow-up of the Linxian General Population Nutrition Intervention Trial (2009)

Qiao, You-Lin, Dawsey, Sanford M., Kamangar, Farin, Fan, Jin-Hu, Abnet, Christian C., Sun, Xiu-Di, ...

Background The General Population Nutrition Intervention Trial was a randomized primary esophageal and gastric cancer prevention trial conducted from 1985 to 1991, in which 29 584 adult...

Longitudinal Data with Follow-up Truncated by Death: Finding a Match Between Analysis Method and Research Aims (2007)

Kurland, Brenda, Johnson, Laura Lee, Diehr, Paula

Diverse analysis approaches have been proposed to distinguish data missing due to death from nonresponse, and to summarize trajectories of longitudinal data truncated by death. We demonstrate how...

Longitudinal Data with Follow-up Truncated by Death: Finding a Match Between Analysis Method and Research Aims (2007)

Kurland, Brenda, Johnson, Laura Lee, Diehr, Paula

Diverse analysis approaches have been proposed to distinguish data missing due to death from nonresponse, and to summarize trajectories of longitudinal data truncated by death. We demonstrate how...

Longitudinal Data with Follow-up Truncated by Death: Finding a Match Between Analysis Method and Research Aims (2007)

Kurland, Brenda, Johnson, Laura Lee, Diehr, Paula

Diverse analysis approaches have been proposed to distinguish data missing due to death from nonresponse, and to summarize trajectories of longitudinal data truncated by death. We demonstrate how...

Incorporating Death into Health-Related Variables in Longitudinal Studies (2004)

Diehr, Paula, Johnson, Laura Lee, Patrick, Donald L., Psaty, Bruce

Background: The aging process can be described as the change in health-related variables over time. Unfortunately, simple graphs of available data may be misleading if some people die, since they may...

Incorporating Death into Health-Related Variables in Longitudinal Studies (2004)

Diehr, Paula, Johnson, Laura Lee, Patrick, Donald L., Psaty, Bruce

Background: The aging process can be described as the change in health-related variables over time. Unfortunately, simple graphs of available data may be misleading if some people die, since they may...

Incorporating Death into Health-Related Variables in Longitudinal Studies (2004)

Diehr, Paula, Johnson, Laura Lee, Patrick, Donald L., Psaty, Bruce

Background: The aging process can be described as the change in health-related variables over time. Unfortunately, simple graphs of available data may be misleading if some people die, since they may...