Combined impact of alcohol consumption and metabolic syndrome on liver dysfunction in an elderly Chinese population

Table 4 Logistic regression analysis of the interactive items between alcohol consumption and MetS on liver dysfunction

Variables	n(presence of dysfunction /absence of dysfunction)	OR(95% CI)	OR-Int ^a	RERI^b	AP^b	S^b
Drink occasionally + no MetS	2361/23323	Ref	0.90 (0.86, 0.95)	-0.02 (-0.08, 0.03)	-0.01 (-0.04, 0.02)	0.97 (0.91, 1.04)
Drink usually/daily + no MetS	9771/72491	1.37 (1.31, 1.44)
Drink occasionally + MetS	29595/191505	1.48 (1.41, 1.54)
Drink usually/daily + MetS	94166/517457	1.82 (1.74, 1.90)

Model is adjusted for gender, age group, residence area, education level, and marital status; MetS = metabolic syndrome;
^a OR- int is assessed on the multiplicative scale by including cross-product terms in the model;
^b RERI, AP, and S are assessed on the additive scale. * p < 0.05

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