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. 2013 Mar 28;8(3):e60673. doi: 10.1371/journal.pone.0060673

Table 1. Prevalences of metabolic syndrome, its components and insulin resistance by sex among young adults with body mass index within the normal range, 1978/79 Ribeirão Preto birth cohort.

Variables Males (n = 546) Females (n = 676) P a
n % n %
Metabolic Syndrome – JISb 0.004
No 529 96.9 670 99.1
Yes 17 3.1 6 0.9
Waist circumferencec 0.852
Normal 509 93.2 632 93.5
High 37 6.8 44 6.5
HDL-cholesterold 0.014
Normal 373 68.8 413 62.0
Low 169 31.2 253 38.0
Triglyceridese 0.439
Normal 509 93.9 618 92.8
High 33 6.1 48 7.2
Blood pressuref <0.001
Normal 388 71.1 654 96.8
High 158 28.9 22 3.3
Blood Glucoseg 0.004
Normal 520 95.6 656 98.4
High 24 4.4 11 1.7
HOMA2-IRh 0.539
≤1.8 528 98.0 642 97.4
>1.8 11 2.0 17 2.6

Abbreviations: HDL, High Density Lipoprotein; HOMA, Homeostasis Model Assessment; IR, Insulin Resistance. aP value calculated by the chi-square test. bdefined according to the Joint Interim Statement (JIS) of the IDF Task Force on Epidemiology and Prevention, National Heart, Lung and Blood Institute, American Heart Association, World Heart Federation, International Atherosclerosis Society and International Association for the Study of Obesity. cwaist circumference (≥90 cm for men and ≥80 cm for women). dincreased triglycerides (≥150 mg/dL, use of lipid medications or self-reported diagnosis of hypertriglyceridemia). elow HDL-cholesterol (<40 mg/dL for men and <50 mg/dL for women). fincreased blood pressure (BP) (systolic pressure ≥130 mmHg and/or diastolic pressure ≥85 mmHg, current usage of antihypertensive drugs or previous diagnosis of hypertension). ghigh fasting blood glucose (≥100 mg/dL), current use of anti-diabetic medication or previously diagnosed diabetes. hCut-off point based on the Brazilian Metabolic Syndrome Study - BRAMS criterion (2009). Numbers may not add up to total because of missing values.