OBJECTIVE: To identify variables predictive of smoking cessation in a cohort of cigarette
smokers followed for five years. DESIGN: Data analysed in this paper come from a cohort …

Objectives. The primary hypothesis of COMMIT (Community Intervention Trial for Smoking
Cessation) was that a community-level, multi-channel, 4-year intervention would increase …

As recently as 1964, the World Health Organization estimated that there existed 15 million
persons with infectious tuberculosis and that this disease claimed 3 million lives each year …

A dynamic programming model that minimizes the cost of providing waste treatment to meet
specified dissolved oxygen concentration standards in a stream is developed. The model is …

A mathematical model is developed for use with partial-duration data that relates design flow
to several different measures of risk. The analysis is based on the Poisson probability law …

Linear programming is applied to the management of water quality in a river basin. The
charge is to select the efficiencies of the treatment plants on the river that will achieve the …

Two linear programming models are presented for determining the amount of wastewater
treatment required to achieve at minimum cost any particular set of stream dissolved oxygen …

Objectives. COMMIT (Community Intervention Trial for Smoking Cessation) investigated
whether a community-level multichannel intervention would decrease the prevalence of …

Background Cigarette smoking is responsible for at least one third of all cancer deaths
annually in the United States. Few sources exist in the peer-reviewed literature documenting …

Abstract In September 1985, the Census Bureau collected health information on 114,342
individuals as part of its Current Population Survey (CPS). A special supplement that …