Table 1.

Environmental hurdle model characteristics of Ross River virus across all sites.

Site & variable	Lag (weeks)	Hurdle Model
		OR	SE (logit)	Variable importance	P-value
Derby
Tmin*	10	1·640	0·151	0·99	0·001
Tmax*	18	1·296	0·110	0·47	0·018
THmax*	2	1·017	0·003	0·84	<0·001
Ptot*	6	1·004	0·003	0·49	0·215
Broome
Tmin*	13	1·447	0·070	>0·99	<0·001
Tmax	18	1·067	0·075	0·22	>0·999
THmin	16	0·999	0·002	0·09	0·527
THmax*	0	1·012	0·004	>0·99	<0·001
Ptot*	8	1·011	0·002	>0·99	<0·001
Port Hedland
Tmin*	10	1·384	0·056	>0·99	<0·001
Tmax	12	1·057	0·062	0·16	0·372
THmin	8	1·002	0·003	0·15	0·440
THmax	5	1·002	0·004	0·12	0·617
Ptot*	5	1·012	0·003	0·98	<0·001
Mandurah
Tmin*	0	1·166	0·062	0·64	0·014
Tmax*	0	1·115	0·043	0·64	0·011
THmin	6	1·007	0·010	0·17	0·470
THmax*	0	1·020	0·007	0·90	0·003
Ptot	10	1·004	0·007	0·13	0·525
Capel
Tmin*	18	0·853	0·080	0·47	0·488
Tmax*	18	0·699	0·129	0·90	0·006
Ptot	11	1·009	0·009	0·18	0·297

Environmental variables predicting RRV outbreaks: OR, odds ratio; SE, standard error. Where the values: P_tot, is for weekly precipitation; T_min, minimum temperature; T_max, maximum temperature; TH_min, minimum tide height; and TH_max, maximum tide height.

^*Represents environmental variables included in the best-fit model.