Purpose The current study describes how the excess mortality risk associated with depression translates into specific causes of death occurring during a 40-year follow-up period, with focus on deaths related to injuries, cardiovascular diseases, and cancer. Methods Data comes from a cross-sectional survey (Community Mental Health Epidemiology Study) conducted in the early 1970s in Washington County, Maryland. Random sampling for the survey resulted in 2762 interviews. For the current analyses, baseline depressed mood was linked to current participant vital status through the use of death certificate records. Results The relative subdistribution hazards for cardiovascular deaths (3.08 (1.74–5.45)) and fatal injuries (4.63 (1.76–12.18)) were significant over the entire 40-year period for young adults (18–39 years old at baseline). The relative subdistribution hazard for cardiovascular deaths during the first 15 years of follow-up was pronounced in elderly (≥ 65 years) males (2.99 (1.67–5.37)). There were no significant associations between depressed mood and cancer deaths. Conclusions Individuals in the general community with depressed mood may be at increased risk of deaths due to cardiovascular disease and injury, even several decades after exposure assessment. Young adults with depressed mood appear to be particularly vulnerable to these associations.
Background The surveillance case definition for confirmed pertussis requires that an individual with a positive polymerase chain reaction (PCR) for Bordetella pertussis have ≥ two weeks of cough and at least one of the following: paroxysmal coughing, inspiratory “whoop,” or post-tussive vomiting. Objectives Determine 1) proportion of individuals with a positive PCR who met additional criteria for surveillance confirmed pertussis, 2) whether the likelihood of PCR positive individuals meeting additional elements of surveillance case definition varied by age or vaccination status, and 3) whether elements of the current case definition influence the likelihood of pertussis confirmation in PCR positive individuals. Methods Pertussis PCR results were compared with case investigation data. Results 165/188 (88%) PCR positive individuals met requirements for confirmed pertussis. 61%(14/23) of PCR positive individuals who had < two but > one week of cough had at least one other reported sign or symptom. 14(100%) reported paroxysmal coughing, seven (50%) “whoop,” and seven (50%) post-tussive vomiting. Infants who met case definition were more likely to have reported apnea than older individuals (15/17 vs. 45/86, OR 6.8,95% CI 1.4–64.2). Conclusions Decreasing cough duration from ≥ two weeks to >one week would result in 95% of those with positive PCR meeting confirmation criteria for pertussis. Apnea should be considered an additional sign for pertussis confirmation in infants.
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