Table 5.

Effect Modification of Association between ILI and Myocardial Infarction by demographic and sociodemographic characteristics

	Residential Geography			Sex			Race
	Urban	Rural	p-value for interaction	Male	Female	p-value for interaction	Black	White	p-value for interaction
	OR (95%CI)	OR (95%CI)		OR (95%CI)	OR (95%CI)		OR (95%CI)	OR (95%CI)
0–15 days before event	1.20 (1.01, 1.42)	1.41 (0.99, 2.01)	0.26	1.15 (0.94, 1.41)	1.35 (1.07, 1.70)	0.91	1.13 (0.78, 1.62)	1.63 (1.32, 2.01)	0.08*
0–30 days before event	1.02 (0.90, 1.16)	1.31 (1.01, 1.69)	0.13	1.02 (0.88, 1.19)	1.14 (0.97, 1.36)	0.49	0.91 (0.69, 1.19)	1.37 (1.17, 1.60)	0.003*
0–60 days before event	0.99 (0.90, 1.09)	1.28 (1.04, 1.56)	0.17	1.02 (0.90, 1.14)	1.08 (0.94, 1.23)	0.71	0.87 (0.69, 1.08)	1.33 (1.18, 1.50)	0.0002*
0–90 days before event	1.03 (0.94, 1.12)	1.25 (1.04, 1.49)	0.67	1.06 (0.96, 1.18)	1.07 (0.95, 1.20)	0.75	0.91 (0.75, 1.09)	1.34 (1.21, 1.49)	< 0.01*
0–180 days before event	1.19 (1.11, 1.28)	1.31 (1.13, 1.51)	0.90	1.18 (1.09, 1.29)	1.25 (1.14, 1.37)	0.91	1.10 (0.94, 1.28)	1.44 (1.32, 1.57)	0.001*
0–365 days before event	1.46 (1.37, 1.55)	1.587 (1.41, 1.79)	0.56	1.43 (1.33, 1.54)	1.55 (1.43, 1.68)	0.74	1.29 (1.13, 1.46)	1.69 (1.58, 1.82)	0.002*

*Indicates Statistical Significance at p < 0.05.