Comparison 59. Active NRT ‐ 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	2		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
1.1 Homozygous Major vs Heterozygous or Homozygous Minor	2	392	Risk Ratio (M‐H, Random, 95% CI)	2.24 [0.92, 5.45]
2 End of Treatment	2		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
2.1 Homozygous Major vs Heterozygous or Homozygous Minor	2	392	Risk Ratio (M‐H, Random, 95% CI)	2.75 [1.08, 7.02]