Table 2.

Characteristics of the first cluster of DF, influenza, and HFMD epidemics in mainland China, 2013–2015

Disease	Year	LLR	P-value	ODE	RR	Radius (km)
DF	2013	5725.66*	< 0.0001	4.15	69.09*	1064.53
	2014	107,309.46*	< 0.0001	12.12	312.20*	0
	2015	4165.46*	< 0.0001	3.98	36.51*	1064.53
Influenza	2013	10,862.14*	< 0.0001	1.96	2.48*	427.52
	2014	25,004.67*	< 0.0001	3.00	3.62*	0
	2015	22,763.13*	< 0.0001	3.00	3.62*	0
HFMD	2013	297,263.99*	< 0.0001	2.82	3.76*	597.29
	2014	308,556.12*	< 0.0001	1.55	2.62*	958.01
	2015	283,609.24*	< 0.0001	2.69	3.49*	597.29

Conducted using Discrete Poisson Model. *P < 0.05