Table 1: Driven through floodwaters yes/no by demographic variables, chi square analysis (p value) (N=676).

Please note the unknown variable was excluded from chi square analysis

	Total		Driven through floodwaters - yes		Driven through floodwaters - no		X2 (p value)
	N	%	N	%	N	%
Total	676	100.0	241	35.7	435	64.3	-
Sex
Male	326	48.1	143	43.9	183	56.1	18.969 (p<0.001)
Female	350	51.9	98	27.8	254	72.2
Age group
18-24 years	190	28.1	67	35.3	123	64.7	0.017 (p=0.895)
25-34 years	144	21.3	55	38.2	89	61.8	0.516 (p=0.473)
35-44 years	124	18.3	44	35.5	80	64.5	0.002 (p=0.966)
45-54 years	120	17.8	38	31.7	82	68.3	1.010 (p=0.315)
55-64 years	64	9.5	23	35.9	41	64.1	0.003 (p=0.960)
65-74 years	27	4.0	11	40.7	16	59.3	0.318 (p=0.573)
75+ years	7	1.0	3	42.9	4	57.1	0.160 (p=0.689)
Country of birth
Australia	571	84.5	216	37.8	355	62.2	7.598 (p=0.006)
Outside of Australia	105	15.5	25	23.8	80	76.2
Remoteness classification of residential postcode
Major Cities	123	18.2	34	27.9	89	73.0	4.906 (p=0.027)
Inner Regional	388	57.4	143	36.9	245	63.1	0.130 (p=0.718)
Outer Regional	136	20.1	58	42.6	78	57.4	2.999 (p=0.083)
Remote and Very Remote	6	0.9	2	33.3	4	66.7	0.023 (p=0.880)
Unknown	23	3.4	4	17.4	19	82.6	-
IRSAD classification of residential postcode
Low	117	17.3	42	35.9	75	64.1	0.877 (p=0.349)
High	113	16.7	34	30.1	79	69.9
Other/Unknown	446	66.0	165	37.0	281	63.0	-
Alcohol contributory (BAC ≥0.05%)
Yes	49	7.2	28	57.1	21	42.9	10.855 (p=0.001)
No	627	92.8	213	34.0	414	66.0