Comparison 104. Placebo ‐ rs16969968 ‐ non‐Hispanic black or African American.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Six‐Month Abstinence	3		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
1.1 Homozygous Major vs Heterozygous or Homozygous Minor	3	584	Risk Ratio (M‐H, Random, 95% CI)	0.74 [0.42, 1.33]
2 End of Treatment	4		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
2.1 Homozygous Major vs Heterozygous or Homozygous Minor	4	596	Risk Ratio (M‐H, Random, 95% CI)	0.55 [0.35, 0.86]