Characteristic	Male (n = 153)		Female (n = 297)		Total (n = 450)
	n	Years	n	Years	n	Years	SD
Mean age, years	153	19.6	297	20.1	450	20.0	2.5
	n	%	n	%	n	%	95% CI
Born overseas	22	14.4	49	16.5	71	15.8	7.9 to 23.7
Indigenous	1	0.7	2	0.7	3	0.7	0 to 1.4
Student	88	59.1	172	58.2	260	58.5	49.5 to 67.3
Employed full-time	57	38.3	81	27.7	138	31.3	24.2 to 37.8
Neither employed nor student	9	6	29	9.8	38	8.4	5.2 to 11.9
Healthcare card holder	51	33	111	38	162	36.3	29.3 to 43.3

SD = standard deviation.