Table 3. Spearman’s correlation coefficients (ρ) between environmental variables and predicted peak of R₀ for chikungunya and dengue.

Variables	Altitude		Average daily rainfall		Average temperature		Urban density
	ρ	p-value	ρ	p-value	ρ	p-value	ρ	p-value
R0 (chikungunya)	-0.72	0.020	-0.82	0.004	0.67	0.034	0.16	0.667
R0 (dengue)	-0.77	0.009	-0.81	0.005	0.82	0.004	0.32	0.371