Table 2.

Number of respondents with albuminuria by age and for persons with and without risk factors (percentages).

	Albuminuria, % (95% CI)
	Low-positive	High-positive	Positive total
Age groups (years)
18-29 (n = 3,303)	29.7 (28.1 - 31.3)	3.0 (2.4 - 3.5)	32.7 (31.1 - 34.3)
30-39 (n = 7,513)	32.4 (31.4 - 33.5)	1.9 (1.6 - 2.2)	34.3 (33.3 - 35.4)
40-49 (n = 13,847)	27.0 (26.2 - 27.7)	1.7 (1.5 - 1.9)	28.7 (27.9 - 29.4)
50-59 (n = 23,160)	17.2 (16.7 - 17.7)	0.7 (0.6 - 0.8)	17.9 (17.4 - 18.4)
60-69 (n = 18,519)	12.2 (11.7 - 12.6)	0.5 (0.4 - 0.6)	12.7 (12.2 - 13.2)
70+ (n = 5,372)	12.5 (11.6 - 13.3)	0.7 (0.5 - 1.0)	13.2 (12.3 - 14.1)
Total (n = 71,714)	19.6 (19.3 - 19.9)	1.1 (1.0 - 1.1)	20.7 (20.4 - 21.0)
Presence of risk factors
No risk factors (n = 69,768)	19.6 (19.3 - 19.9)	1.1 (1.0 - 1.1)	20.7 (20.4 - 21.0)
Diabetes mellitus (n = 4,059)	18.9 (17.7 - 20.2)	1.3 (0.9 - 1.6)	20.2 (19.0 - 21.4)
Hypertension (n = 13,868)	18.1 (17.5 - 18.8)	1.1 (0.9 - 1.2)	19.2 (18.6 - 19.9)
Diabetes mellitus and hypertension (n = 1,946)	18.9 (17.2 - 20.7)	1.2 (0.7 - 1.7)	20.1 (18.3 - 21.9)