Table 3.

Impact of interaction between rs7568402 and tea drinking on the incidence of TB

Tea drinking	Group	GG		GA + AA		OR	95% CI
		n	%	n	%
No	TB patients	116	45.31	140	54.69	1.402	0.967–2.031
	Controls	108	53.73	93	46.27
Yes	TB patients	107	43.32	140	56.68	1.618	1.150–2.276
	Controls	162	55.29	131	44.71
RERIc	−0.0215 (−0.5564, 0.5134)
RERIa#	−0.3856 (−0.7920, −0.0209)*

^#Adjusted for the covariates of sex, age, marital status, educational background, BMI, smoking status, alcohol drinking and BCG vaccination.

*P < 0.05, RERI < 0 suggests negative interactions.