Fig. 3

Marginal effect of SNP-by-S. mutans interaction on caries (dmft). The marginal effect was estimated using the GEE negative binomial models adjusting for age, gender, race, and five eigenvectors. *P < 0.05. a Marginal effect of rs4786370-by-S. mutans interaction on dmft. b Marginal effect of rs11635005-by-S. mutans interaction on dmft. c Marginal effect of rs1539849-by-S. mutans interaction on dmft d Marginal effect of the GRS on dmft