Age-specific prevalence of the metabolic syndrome defined by the International Diabetes Federation and the National Cholesterol Education Program: the Norwegian HUNT 2 study

Table 2 Prevalence of IDF-defined metabolic syndrome and its components in sex and age groups

		IDF-defined metabolic syndrome	Obligate criterion	Additional criteria
			Central obesity¹	Hyper-triglyceridaemia²	Low HDL chol-esterol³	High blood pressure⁴ or medication use	High plasma glucose⁵ or type 2 diabetes
	N	% (95% CI)	%	%	%	%	%
Men
20–29 yr	808	11.0 (8.9 – 13.2)	20.8	19.8	28.5	59.8	13.6
30–39 yr	966	20.9 (18.3 – 23.5)	34.1	29.9	27.4	58.5	22.8
40–49 yr	1065	27.6 (24.9 – 30.3)	40.9	38.7	30.9	69.4	28.8
50–59 yr	848	32.7 (29.5 – 35.8)	48.2	35.1	24.5	77.9	37.4
60–69 yr	665	41.7 (37.9 – 45.4)	55.2	37.0	26.9	87.1	46.9
70–79 yr	569	44.8 (40.7 – 48.9)	56.8	36.6	31.1	90.7	52.9
80–89 yr	180	47.2 (39.9 – 54.5)	62.2	40.0	31.1	93.3	57.2
20–89 yr	5101	29.0 (27.7 – 30.2)	42.0	33.3	28.3	72.8	32.7
Women
20–29 yr	807	9.2 (7.2 – 11.2)	30.5	7.6	28.4	21.8	8.6
30–39 yr	877	14.1 (11.8 – 16.4)	39.0	10.6	27.5	29.4	14.1
40–49 yr	1014	21.8 (19.3 – 24.3)	48.7	17.3	25.7	47.7	21.1
50–59 yr	862	30.0 (27.0 – 33.1)	56.5	22.5	21.3	70.5	30.2
60–69 yr	645	49.0 (45.1 – 52.9)	70.7	34.7	26.7	86.7	45.6
70–79 yr	661	60.4 (56.6 – 64.1)	77.8	40.5	31.3	94.1	52.6
80–89 yr	239	64.4 (58.4 – 70.5)	78.7	44.4	38.1	93.7	58.6
20–89 yr	5105	30.3 (29.0 – 31.6)	53.4	22.0	27.1	57.4	28.4

IDF, the International Diabetes Federation; HDL, high-density lipoprotein; CI, confidence interval.
¹Waist circumference ≥94 cm in men, ≥80 cm in women.
²Triglycerides ≥1.7 mmol/L.
³HDL cholesterol <1.03 mmol/L in men, <1.29 mmol/L in women.
⁴Systolic blood pressure ≥130 mm Hg or diastolic blood pressure ≥85 mm Hg.
⁵Plasma glucose ≥5.6 mmol/L.

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