Table 3.

Predictors of the number of monthly respiratory syncytial virus (RSV) infections in multivariate analysis

Variable	IRR (95% CI)	P value
Wind speed (m/s)	22·30 (0·29–1 689·60)	0·160
Rainfall (mm)	1·008 (1·00–1·01)	0·048
Temperature (°C)	3·14 (1·56–6·31)	0·001
Relative humidity (%)	1·00 (0·70–1·43)	0·980
Solar radiation (W/m2)	0·99 (0·96–1·02)	0·579

IRR, Incident rate ratio; CI, confidence interval.

Bold font indicates statistically significant values.