Table 2. The Most Common Co-occurring Chronic Diseases in the Azar Cohort Population .
| Hypertension | Diabetes | CHD | Obesity | Stroke | Fatty liver | Rheumatoid | Cancers | Depression | |
| No. (%) | No. (%) | No. (%) | No. (%) | No. (%) | No. (%) | No. (%) | No. (%) | No. (%) | |
| Diabetes | 823 (27.1) | - | 221 (29.9) | 868 (15.4) | 25 (21) | 188 (25.6) | 75 (14.6) | 12 (14.1) | 381 (14.9) |
| CHD | 460 (15.1) | 221 (12.7) | - | 329 (5.8) | 27 (22.7) | 54 (7.4) | 46 (8.9) | 3 (3.5) | 165 (6.4) |
| Obesity | 1582 (52.1) | 868 (49.8) | 329 (44.6) | - | 48 (40.3) | 44 (60.1) | 236 (46) | 34 (40) | 1144 (44.7) |
| Stroke | 78 (2.6) | 25 (1.4) | 27 (3.7) | 48 (0.9) | - | 7 (1) | 6 (1.2) | 0 (0) | 43 (1.7) |
| Fatty liver | 259 (8.5) | 188 (10.8) | 54 (7.3) | 441 (7.8) | 7 (5.9) | - | 45 (8.8) | 10 (11.8) | 220 (8.6) |
| Rheumatoid | 134 (4.4) | 75 (4.3) | 46 (6.2) | 236 (4.2) | 6 (5) | 45 (6.1) | - | 6 (7.1) | 149 (5.8) |
| Cancers | 20 (0.7) | 12 (0.7) | 3 (0.4) | 34 (0.6) | 0 (0) | 10 (1.4) | 6 (1.2) | - | 20 (0.8) |
| Depression | 861 (28.3) | 381 (21.8) | 165 (22.4) | 1144 (20.3) | 43 (36.1) | 220 (30) | 149 (29) | 20 (23.5) | - |
| COPD | 185 (6.1) | 89 (5.1) | 51 (6.9) | 241 (4.3) | 10 (8.4) | 38 (5.2) | 39 (7.6) | 4 (4.7) | 130 (5.1) |
CHD, Coronary heart diseases; COPD, Chronic obstructive pulmonary diseases.