Characteristics of the study population stratified by absence (group A) or presence (group B) of metabolic syndrome at baseline
| All sample | Group A | Group B | P value | |
| Number | 1881 | 1146 | 735 | |
| Men | 802 (42.6) | 419 (36.6) | 383 (52.1) | <0.001 |
| Women | 1079 (57.4) | 727 (63.4) | 352 (47.9) | |
| Age (years) | 50.22±14.47 | 46.06±13.90 | 56.69±12.89 | <0.001 |
| Body weight (kg) | 75.02±14.91 | 70.03±12.75 | 82.83±14.71 | <0.001 |
| BMI (kg/m2) | 28.18±4.97 | 26.23±3.98 | 31.23±4.84 | <0.001 |
| WC (cm) | ||||
| Men | 98.93±11.07 | 93.41±9.83 | 104.96±9.02 | <0.001 |
| Women | 90.82±14.27 | 85.32±11.69 | 102.18±12.28 | <0.001 |
| SBP (mm Hg) | 130.89±18.98 | 123.93±16.73 | 141.76±17.08 | <0.001 |
| DBP (mm Hg) | 77.00±10.29 | 73.95±9.57 | 81.77±9.53 | <0.001 |
| FG (mmol/L) | 5.52±1.52 | 5.05±0.81 | 6.26±2.01 | <0.001 |
| Total-chol (mmol/L) | 5.12±1.01 | 5.06±0.97 | 5.22±1.07 | 0.005 |
| TG (mmol/l) | 1.37±1.05 | 1.06±0.47 | 1.87±1.44 | <0.001 |
| HDL-chol (mmol/L) | 1.35±0.33 | 1.45±0.32 | 1.21±0.29 | <0.001 |
| LDL-chol (mmol/L) | 2.75±0.76 | 2.69±0.73 | 2.85±0.79 | <0.001 |
| Obesity (≥30 kg/m2) | 571 (30.4) | 182 (15.9) | 389 (52.9) | <0.001 |
| Uric acid (μmol/L) | 307.09±88.66 | 283.52±80.60 | 343.82±88.21 | <0.001 |
| Educational level | <0.001 | |||
| No studies | 197 (10.5) | 63 (5.5) | 134 (18.3) | |
| Elementary | 702 (37.3) | 393 (34.3) | 309 (42.0) | |
| Secondary education | 671 (35.7) | 450 (39.3) | 221 (31.1) | |
| University degree | 148 (7.9) | 240 (20.9) | 71 (9.6) | |
| Socioeconomic status | <0.001 | |||
| Salaried worker | 937 (49.8) | 640 (55.8) | 297 (40.4) | |
| Retired | 333 (17.7) | 141 (12.3) | 192 (26.1) | |
| Unemployed | 154 (8.2) | 110 (9.6) | 44 (6.0) | |
| Student | 46 (2.4) | 43 (3.8) | 3 (0.4) | |
| Domestic work | 366 (19.5) | 190 (16.6) | 176 (23.9) | |
| Others | 45 | 22 | 23 | |
Data are mean±SD or n (%).
BMI, body mass index; DBP, diastolic blood pressure; FG, fasting serum glucose; HDL-chol, high-density lipoprotein cholesterol; LDL-chol, low-density lipoprotein cholesterol; SBP, systolic blood pressure; TG, triglyceride; Total-chol, total cholesterol; WC, waist circumference.