Improvement of maternal Aboriginality in NSW birth data

Table 3 Maternal Indigenous status in linked birth data (MDC and RBDM birth), 2001-2005, NSW

		Maternal Indigenous status					Missing
Sources	Year	n1	Indigenous	%	95%CI		n2	Missing records	%
MDC	2001	80,931	1,489	1.84	1.75	1.93	80,972	41	0.05
	2002	81,303	1,497	1.84	1.75	1.93	81,348	45	0.06
	2003	81,131	1,472	1.81	1.72	1.90	8,1167	36	0.04
	2004	79,972	1,517	1.90	1.81	1.99	80,003	31	0.04
	2005	74,631	1,261	1.69	1.60	1.78	74,717	86	0.12
	Total	397,968	7,236	1.82	1.78	1.86	398,207	239	0.06
RBDM birth	2001	80,068	1,894	2.37	2.26	2.48	80,972	904	1.12
	2002	78,378	1,858	2.37	2.26	2.48	81,348	2,970	3.65
	2003	77,786	1,810	2.33	2.22	2.44	81,167	3,381	4.17
	2004	79,420	1,879	2.37	2.26	2.48	80,003	583	0.73
	2005	74,717	1,562	2.09	1.99	2.19	74,717	0	0.00
	Total	390,369	9,003	2.31	2.26	2.36	398,207	7,838	1.97
ASV	2001	80,972	2,143	2.65	2.54	2.76	80,972	0	0.00
	2002	81,343	2,143	2.63	2.52	2.74	81,348	5	0.01
	2003	81,161	2,075	2.56	2.45	2.67	81,167	6	0.01
	2004	80,003	2,135	2.67	2.56	2.78	80,003	0	0.00
	2005	74,717	1,740	2.33	2.22	2.44	74,717	0	0.00
	Total	398,196	10,236	2.57	2.52	2.62	398,207	11	0.00
Estimates by capture-recapture method	2001	80,027	2,172	2.71	2.68	2.75	80,972	945	1.17
	2002	78,338	2,161	2.76	2.72	2.79	81,348	3,010	3.70
	2003	77,756	2,090	2.69	2.66	2.72	81,167	3,411	4.20
	2004	79,389	2,201	2.77	2.74	2.81	80,003	614	0.77
	2005	74,631	1,819	2.44	2.41	2.47	74,717	86	0.12
	Total	390,141	10,443	2.68	2.64	2.71	398,207	8,066	2.03

ISSN: 1471-2288