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.