Wilens and colleagues (2008) studied the association between bipolar disorder and substance abuse.  In their study, they reported a 95% CI that “bipolar disorder was associated with an age-adjusted risk for… alcohol abuse (7.66 [2.20, 26.70), drug abuse (18.5 [2.46, 139.10]), dependence (12.1 [ 1.54, 95.50]…and cigarette smoking (12.3[2.83, 53.69])” (p. 188).  Which risk factor was associated with the least variability?  Which risk factor was associated with the most variability?

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Wilens and colleagues (2008) studied the association between bipolar disorder and substance abuse.  In their study, they reported a 95% CI that “bipolar disorder was associated with an age-adjusted risk for… alcohol abuse (7.66 [2.20, 26.70), drug abuse (18.5 [2.46, 139.10]), dependence (12.1 [ 1.54, 95.50]…and cigarette smoking (12.3[2.83, 53.69])” (p. 188). 

  1. Which risk factor was associated with the least variability? 
  1. Which risk factor was associated with the most variability? 
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