Table 1. Characteristics of co-resident young adults, 2002, 2010 and 2018, % (95% confidence intervals).

Characteristics	2002		2010		2018		% difference 2002–18
	(n = 862)		(n = 1,066)		(n = 3,949)
	%	95% CI	%	95% CI	%	95% CI
Total	34	(31.72–35.89)	38	(36.32–40.64)	40	(37.32–41.81)	+18
Age
18–21 years	72	(69.08–75.59)	78	(75.14–80.39)	80	(76.94–83.20)	+11
22–25 years	44	(39.06–48.08)	47	(43.24–51.05)	54	(49.45–57.84)	+23
26–29 years	22	(18.06–26.34)	24	(20.06–29.40)	21	(17.87–24.10)	-4
30–34 years	11	(8.86–14.61)	12	(8.84–16.42)	15	(11.44–20.16)	+36
Sex
Female	29	(26.71–31.60)	34	(31.81–36.52)	37	(33.85–39.90)	+28
Male	38	(36.05–40.94)	43	(39.97–45.51)	42	(39.58–44.98)	+11
Income
Low income	52	(48.09–54.99)	57	(54.02–60.43)	57	(52.76–61.31)	+10
Middle income	32	(28.31–36.04)	36	(32.23–39.97)	33	(28.98–36.23)	+3
High income	17	(13.32–20.99)	20	(15.90–24.95)	18	(14.81–22.81)	+6
Geography
Major city	36	(33.99–37.69)	31	(27.96–33.78)	34	(31.58–37.08)	-6
Outside of major city	28	(24.90–31.43)	41	(39.26–43.47)	41	(39.02–43.94)	+46
Married or living with partner	3	(2.04–4.46)	4	(2.74–5.06)	6	(4.55–8.64)	+100