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. Author manuscript; available in PMC: 2014 Mar 9.
Published in final edited form as: Genet Epidemiol. 2013 Nov 1;37(8):846–859. doi: 10.1002/gepi.21760

Figure 2.

Figure 2

(A) Meta-analysis forest plot for rs1948 age of tobacco initiation (AOI) showing the individual betas (for each study), summary beta, individual number of subjects (n), summary n, and a summary P-value. Individual and summary betas are for the rs1948 A allele. (B) Meta-analysis forest plot for rs1948 age of first regular tobacco use (AOS) showing the individual betas (for each study), summary beta, individual number of subjects (n), summary n, and a summary P-value. Individual and summary betas are for the rs1948 A allele.