Table 1. Distribution of demographic variables, BMI, and history of several medical conditions among study participants.
| Number (%) | Mean age (SD), years | |
| All participants | 3591 (100) | 43.8 (15.8) |
| Women | 2192 (61.0) | 41.2 (15.1) |
| Men | 1399 (39.0) | 47.9 (15.9) |
| Age (years) | ||
| <30 | 847 (23.6) | 23.1 (3.5) |
| 30–39 | 656 (18.3) | 34.5 (2.8) |
| 40–49 | 634 (17.7) | 44.4 (3.0) |
| 50–59 | 806 (22.4) | 54.2 (2.9) |
| 60–69 | 433 (12.0) | 63.8 (3.0) |
| ≥70 | 215 (6.0) | 72.5 (2.4) |
| Ethnicity | ||
| Sistani | 1513 (42.1) | 42.4 (15.4) |
| Turkmen | 762 (21.2) | 46.6 (15.4) |
| Fars | 864 (24.1) | 43.7 (15.9) |
| Other | 452 (12.6) | 44.2 (16.6) |
| Marital Status | ||
| Married | 2868 (79.9) | 46.1 (14.1) |
| Single | 483 (13.4) | 23.3 (6.4) |
| Widow/divorced | 240 (6.7) | 58.2 (12.4) |
| Education | ||
| No school | 1205 (33.5) | 57.7 (10.0) |
| Primary school | 732 (20.4) | 47.7 (11.8) |
| Middle school | 394 (11.0) | 36.9 (11.0) |
| High school | 891 (24.8) | 29.3 (10.1) |
| University | 369 (10.3) | 33.3 (10.8) |
| BMI | ||
| <18.5 | 145 (4.0) | 34.1 (17.9) |
| 18.5–24.9 | 1309 (36.5) | 40.5 (17.7) |
| 25–29.9 | 1256 (35.0) | 46.5 (14.1) |
| ≥30 | 881 (24.5) | 46.5 (12.8) |
| Diabetes c | ||
| Self-reported | 513 (14.3) | 45.1 (15.3) |
| FBS ≥110 mg/dL | 497 (13.8) | 54.8 (11.0) |
| Any criteria | 777 (21.6) | 48.4 (14.8) |
| Hypertension c | ||
| Self-reported | 736 (20.5) | 48.3 (15.7) |
| Sys ≥140 or dias ≥90 mmHg | 1073 (29.9) | 52.4 (13.2) |
| Any criteria | 1432 (39.9) | 49.4 (14.5) |
| Ischemic heart disease | 327 (9.1) | 47.6 (16.7) |
| Myocardial infarction | 138 (3.8) | 43.1 (15.2) |
Abbreviations: BMI, body mass index (kg/m2); SD, standard deviation.