Table 3. NPI (prevalent and incident screens combined) by age group.

	Good		Moderate		Poor		Not known
	No	%	No	%	No	%	No	%	Total
50–54	1313	55	891	37	136	6	65	3	2405
55–59	1503	53	1058	37	192	7	89	3	2842
60–64	1715	58	1007	34	147	5	112	4	2981
65–70	2023	59	1110	32	165	5	128	4	3426