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. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: Drug Alcohol Depend. 2016 Oct 11;169:19–25. doi: 10.1016/j.drugalcdep.2016.10.006

Figure 1.

Figure 1

Incidence rate ratios of past-year risky driving behaviors by trajectory class membership

Note. Analyses were adjusted for age, sex, and race/ethnicity. The relatively resolved trajectory class was set as the referent class. The error bars indicate the 95% confidence intervals for comparisons between trajectory classes 1–4 with the referent class. Additional pairwise comparisons are not illustrated in these figures.