Table 1.
Descriptive analysis of sociodemographic variables
| Variable | Category | Total | Women (N = 2023, 49.8%) | Men (N = 2037, 50.2%) |
|---|---|---|---|---|
| Frequency (%) or MEAN ± SD | Frequency (%) or MEAN ± SD | Frequency (%) or MEAN ± SD | ||
| Age (years) | Continuous | 62.9 ± 12.1 | 59.3 ± 13.3 | 66.5 ± 9.6 |
| Age (years) | 22–44 | 421 (10.4) | 357 (17.7) | 64 (3.1) |
| 45–54 | 579 (14.3) | 428 (21.2) | 151 (7.4) | |
| 55–64 | 1013 (25.0) | 444 (22.0) | 569 (27.9) | |
| 65–74 | 1278 (31.5) | 476 (23.5) | 803 (39.4) | |
| 75–85 | 769 (18.9) | 318 (15.7) | 452 (22.2) | |
| Education level | Lower than primary | 755 (18.6) | 372 (18.4) | 383 (18.8) |
| Primary education | 1301 (32.0) | 616 (30.5) | 686 (33.6) | |
| Secondary education | 1172 (28.9) | 616 (30.5) | 556 (27.3) | |
| University | 832 (20.5) | 419 (20.7) | 414 (20.3) | |
| Body mass index (kg/m2) | < 18.5 | 54 (1.3) | 45 (2.29 | 9 (0.4) |
| 18.5–24.9 | 1498 (36.9) | 946 (46.8) | 553 (27.1) | |
| 25–29.9 (overweight) | 1661 (40.9) | 640 (31.6) | 1022 (50.1) | |
| ≥30 (obesity) | 847 (20.9) | 392 (19.4) | 455 (22.3) | |
| Smoking | No smoker | 1812 (44.6) | 1236 (61.1) | 576 (28.3) |
| Current smoker | 780 (19.2) | 375 (18.5) | 405 (19.9) | |
| Former smoker | 1468 (36.2) | 1057 (51.8) | 411 (20.4) | |
| Alcohol consumption at recruitment (g/day) | Abstainers | 939 (26.8) | 637 (37.0) | 302 (16.9) |
| 0–19.9 (women), 0–39.9 (men) | 2295 (65.4) | 999 (58.1) | 1296 (72.4) | |
| 20–39.9 (women), 40–59.9 (men) | 203 (5.8) | 74 (4.3) | 129 (7.2) | |
| ≥40 (women), ≥60 (men) | 72 (2.0) | 9 (0.5) | 63 (3.5) | |
| Alcohol consumption when 30–40 years old (g/day) | 0 | 903 (25.7) | 657 (38.3) | 246 (13.7) |
| 0–19.9 (women), 0–39.9 (men) | 2047 (58.3) | 951 (55.3) | 1096 (61.2) | |
| 20–39.9 (women), 40–59.9 (men) | 300 (8.6) | 86 (5.0) | 214 (12.0) | |
| ≥40 (women), ≥60 (men) | 259 (7.4) | 24 (1.4) | 235 (13.1) | |
| Number of births(women) | 0 | 375 (18.5) | ||
| 1–2 | 1085 (53.6) | |||
| > 2 | 563 (27.9) | |||
| Menopausal status (women) | Premenopausal | 650 (32.1) | ||
| Postmenopausal | 1373 (67.9) | |||
| Chronic disease involving pain | Arthritis | 1005 (24.9) | 626 (31.1) | 379 (18.7) |
| Gout | 225 (5.6) | 24 (1.2) | 201 (9.9) | |
| Chronic cephalalgia | 414 (10.2) | 307 (15.3) | 107 (5.3) | |
| Arthritis, gout or chronic cephalalgia | 1425 (35.1) | 816 (40.3) | 609 (29.9) | |
| Cardiovascular disease or risk factor | Diabetes mellitus | 594 (14.7) | 191 (9.5) | 403 (19.8) |
| Hypertension | 1513 (37.4) | 587 (29.2) | 926 (45.6) | |
| Hypercholesterolemia | 1344 (33.3) | 580 (28.9) | 764 (37.7) | |
| Acute coronary syndrome | 312 (7.7) | 58 (2.9) | 254 (12.5) | |
| Stroke | 151 (3.7) | 53 (2.6) | 94 (4.8) | |
| Other circulatory diseases | 628 (15.5) | 330 (16.4) | 298 (14.7) |