Spatiotemporal Drivers of the African Swine Fever Epidemic in Lao PDR

Table 2

Association between the date of reporting (epidemic day) of African swine fever (ASF) cases in the 2019 Lao PDR outbreak and location within a protected (natural) area and ethno-linguistic family (Kruskal–Wallis test).

Risk factors	Category	Sample size	Median epidemic day	Test statistic
Protected area	No	85	63	0.010	0.920
	Yes	57	66
Ethno-linguistic family	Hmong-Mi	12	74	7.175	0.127
	Lao-Tai	44	60
	Mixed	48	73.5
	Mon-Khmer	41	54
	Sino-Tib	7	81