Table 1.

Global Moran’s I values for dengue and chikungunya case totals, aggregated to health district, in each year in the study

Arbovirus	Year	Total cases	Moran’s I*	Z-score	P-value
Dengue	2013	526	0.23	4.40	< 0.001
Dengue	2014	147	−0.04	−0.51	0.610
Dengue	2015	58	0.04	1.06	0.291
Dengue	2016	386	0.11	2.29	0.022
Chikungunya	2014	57	0.06	0.84	0.400

P-values in bold indicate statistically significant results.

^*Moran’s I values range between -1 and 1, where negative values indicate dispersion and positive values indicate clustering.