Figures & data
Table 1 Demographics of the African American cohort in the study
Figure 1 Survival curves for age of first use of cannabis, in all participants with the PDYN SS+SL genotype, compared to the LL genotype.
Abbreviations: LL, long–long; NS, not significant; PDYN, prodynorphin; SL, short–long; SS, short–short.
![Figure 1 Survival curves for age of first use of cannabis, in all participants with the PDYN SS+SL genotype, compared to the LL genotype.](/cms/asset/9aca2d44-0c3b-44a1-aaee-b18863378128/dndt_a_159954_f0001_b.jpg)
Figure 2 Number of participants who reported any lifetime use of cannabis, versus no lifetime use of cannabis, in the PDYN SS+SL genotype, compared to the LL genotype.
Abbreviations: LL, long–long; NS, not significant; PDYN, prodynorphin; SL, short–long; SS, short–short.
![Figure 2 Number of participants who reported any lifetime use of cannabis, versus no lifetime use of cannabis, in the PDYN SS+SL genotype, compared to the LL genotype.](/cms/asset/020d3468-286d-4bbe-bab3-891b7b67e6d3/dndt_a_159954_f0002_b.jpg)
Figure 3 Number of participants in the “low”, “medium”, and “high” cannabis exposure bins, in the PDYN SS+SL genotype, compared to the LL genotype.
Abbreviations: DSM IV, Diagnostic and Statistical Manual of Mental Disorders–IV; KMSK, Kreek–McHugh–Schluger–Kellogg; LL, long–long; NS, not significant; PDYN, prodynorphin; SL, short–long; SS, short–short.
![Figure 3 Number of participants in the “low”, “medium”, and “high” cannabis exposure bins, in the PDYN SS+SL genotype, compared to the LL genotype.](/cms/asset/93762175-4c84-4da6-94c2-0f0858bef31e/dndt_a_159954_f0003_b.jpg)
Table S1 Chi-square test on grouped PDYN genotype distribution in total and gender-specific African American groups