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Cox's proportional hazards model was applied to the NLMS data to compare the risk of death from motor vehicles among marital status groups while controlling for confounders. METHODS: A proportional hazards model was used in a prospective case-cohort study of 12,762 apparently healthy middle-aged men and women in the Atherosclerosis Risk in Communities (ARIC) study who were observed for about 6 years. The Weibull specification is a proportional hazards model so that the |
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