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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Behav Genet. 2013 Dec 17;44(1):14–24. doi: 10.1007/s10519-013-9629-3

Figure 3.

Figure 3

Age-Related Change in MPQ Loadings on the Substance Use Factor. Males are shown in the left column and females in the right column. Numbers within each panel are p-values corresponding to the change observed across age. The p-values are color-coded (e.g., a green p-value gives the significance of decline in Traditionalism). The additive genetic contribution is scaled such that adding it to the shared environment and non-shared environment contributions produces the phenotypic correlation. Non-shared and shared environmental contributions showed no significant declines, and therefore are not shown here.