Table 3.

DNLM model results for separate and cumulative effects of monthly climatic variables on the relative risk of human brucellosis in Yulin City, Northern China, 2005–2018

Variable	Separate effect						Cumulative effect
	Maximum RR (95% CI)	Variable value	Lag month	Minimum RR (95% CI)	Variable value	Lag month	Maximum RR (95% CI)	Variable value	Lag month
Temperature (°C)	1.36 (1.03–1.81)	17.4 °C	0	0.19 (0.08–0.42)	25.4 °C	6	2.27 (1.09–4.57)	15.2 °C	4
Sunshine duration (h)	1.12 (1.03–1.22)	311 h	0	0.86 (0.78–0.96)	121 h	0	1.54 (1.10–2.18)	311 h	6
Evaporation (mm)	1.18 (0.94–1.48)	314 mm	0	0.67 (0.50–10.91)	314 mm	6	1.27 (0.73–2.14)	314 mm	2