The interaction with height was also observed for ER + breast cancer (ORint 0.95, 95% CI 0.93–0.97, Pint = 5.62E-06) but not for ER negative (ER-) breast cancer risk (ORint = 0.98, 95% CI 0.93–1.03, Pint = 0.77). The gene discussed is ESR1; the disease is breast cancer.