FIGURE 1.
(a) Weighted percentage (± SE) of lifetime DSM-IV alcohol dependence by increasing number of inattentive symptoms and hyperactive-impulsive symptoms (y-axis ranges from 0% to 50%). (b) Weighted percentage (± SE) of lifetime DSM-IV nicotine dependence by increasing number of inattentive symptoms and hyperactive-impulsive symptoms (y-axis ranges from 0% to 50%). (c) Weighted percentage (± SE) of lifetime DSM-IV cannabis dependence by increasing number of inattentive symptoms and hyperactive-impulsive symptoms (y-axis ranges from 0% to 20%). (d) Weighted percentage (± SE) of lifetime DSM-IV polysubstance dependence by increasing number of inattentive symptoms and hyperactive-impulsive symptoms (y-axis ranges from 0% to 35%). N = 34,344.