June 29, 2009
Minneapolis / St. Paul -- University of Minnesota Medical School researcher Iris Borowsky, M.D., Ph.D., and colleagues found that one in seven adolescents believe that it is highly likely that they will die before age 35, and this belief predicted that the adolescents' would engage in risky behaviors.
Borowsky and colleagues analyzed data collected by the National Longitudinal Study of Adolescent Health, a nationally representative sample of more than 20,000 youth in grades 7 through 12 during three separate study years. In the first set of interviews, nearly 15 percent of adolescents predicted they had a 50/50 chance or less of living to age 35. Those who engaged in risky behaviors such as illicit drug use, suicide attempts, fighting, or unsafe sexual activity in the first year were more likely in subsequent years to believe they would die at a young age. Vice versa, those who predicted that they'd die young during the first interview were more likely in later years to begin engaging in these same risky behaviors and have poor health outcomes. Notably, these teens were significantly more likely to be diagnosed with HIV/AIDS just six years later, regardless of their sexual preference.
"While conventional wisdom says that teens engage in risky behaviors because they feel invulnerable to harm, this study suggests that in some cases, teens may take risks because they overestimate their vulnerability, specifically their risk of dying," Borowsky said. "These youth may take risks because they feel hopeless and figure that not much is at stake."
"Our findings reinforce the importance of instilling a sense of hope and optimism in youth," Borowsky said. "Strong connections with parents, families, and schools, as well as positive media messages, are likely important factors in developing an optimistic outlook for young people."
She also notes that study findings support physician screening of adolescents for this perceived risk of early death. "This unusually common pessimistic view of the future is a powerful marker for high-risk status and deserves attention."
There was no significant relationship between perceived risk of dying before age 35 and actual death from all causes during the six-year study period.
The study, "Health Status and Behavioral Outcomes for Youth Who Anticipate a High Likelihood of Early Death," will be published in the July issue of Pediatrics.
The study was funded by a grant from the National Institute of Child Health and Human Development, with cooperative funding from 17 other agencies.
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