Table 1 Baseline characteristics of the study subjects in the TLGS cohort, Tehran Lipid and Glucose Study (1999–2014)
Variables | Total n = 8238 | Gender difference | p-value | |
|---|---|---|---|---|
Men n = 3795 | Women n = 4443 | |||
Age (years) | 39.3 (13.3) | 41.4 (14.2) | 37.5 (12.1) | 0.001 |
Total length of stay in the city (years) | 32.9 (13.1) | 34.6 (13.2) | 31.5 (12.8) | 0.001 |
BMI (kg/m2) | 26.5 (4.7) | 25.8 (4.1) | 27.1 (5.1) | 0.001 |
Waist circumference (cm) | 87.4 (12.3) | 89.1 (11.5) | 86.1 (12.8) | 0.001 |
Wrist circumference (cm) | 16.7 (1.3) | 17.7 (0.9) | 15.9 (1.1) | 0.001 |
Hip circumference (cm) | 100.29 (9.17) | 96.71 (7.23) | 103.43 (9.54) | 0.001 |
FPG (mmol/l) | 4.9 (4.6–5.4) | 5.1 (4.7–5.4) | 4.9 (4.5–5.3) | 0.001 |
TG (mmol/l) | 1.5 (1.1–2.3) | 1.7 (1.2–2.5) | 1.4 (0.9–2.1) | 0.001 |
TC (mmol/l) | 5.2 (1.1) | 5.1 (1.1) | 5.2 (1.2) | 0.07 |
HDL-C (mmol/l) | 1.1 (0.3) | 0.9 (0.2) | 1.2 (0.3) | 0.001 |
eGFR (ml/min/1.73Â m2) | 75.6 (10.5) | 77.1 (10.8) | 74.3 (10.1) | 0.001 |
SBP (mmHg) | 116.5 (17.1) | 118.8 (16.7) | 114.6 (17.1) | 0.001 |
DBP (mmHg) | 76.4 (10.6) | 77.1(10.7) | 75.8 (10.5) | 0.001 |
Heart rate (beats/min) | 79.3 (11.5) | 75.3 (9.8) | 82.7 (11.7) | 0.001 |
Education | ||||
 Level 1 (illiterate) | 1754 (21.3) | 739 (19.5) | 1015 (22.8) |  |
 Level 2 (< 9 years) | 4831 (58.6) | 2228 (58.7) | 2603 (58.6) | 0.001 |
 Level 3 (9–12 years) | 1203 (14.6) | 688 (18.1) | 515 (11.6) |  |
 Level 4 (> 12 years) | 450 (5.5) | 140 (3.7) | 310 (7.0) |  |
Marital status | ||||
 Single | 1337 (16.2) | 743 (19.6) | 594 (13.4) |  |
 Married | 6625 (80.4) | 3027 (79.8) | 3598 (81.0) | 0.001 |
 Divorced/widowed | 276 (3.4) | 25 (0.7) | 251 (5.6) |  |
FH-CVD in female relatives | 669 (8.1) | 267 (7.0) | 402 (9.0) | 0.001 |
FH-CVD in male relatives | 657 (8.0) | 310 (8.2) | 347 (7.8) | 0.568 |
FHD in first-degree relatives | 2255 (27.4) | 977 (25.7) | 1278 (28.8) | 0.002 |
PAL | ||||
 Inactivea | 5458 (66.3) | 2533 (66.7) | 2925 (65.8) | 0.802 |
Smoking | ||||
 Never | 6207 (75.3) | 2067 (54.5) | 4140 (93.2) |  |
 Past | 567 (6.9) | 510 (13.4) | 57 (1.3) | 0.001 |
 Current | 1339 (16.3) | 1158 (30.5) | 181 (4.1) |  |
Use of blood lipid lowering drugs | 177 (2.1) | 63 (1.7) | 114 (2.6) | 0.005 |
Use of blood glucose lowering drugs | 234 (2.8) | 100 (2.6) | 134 (3.0) | 0.319 |
Use of anti hypertensive drugs | 335 (4.1) | 113 (3.0) | 222 (5.0) | 0.001 |
Use of aspirin | 717 (8.7) | 394 (10.4) | 323 (7.3) | 0.001 |
Use of diuretics | 93 (1.1) | 22 (0.6) | 71 (1.6) | 0.001 |
Prevalence CVD | 219 (2.7) | 140 (3.7) | 79 (1.8) | 0.001 |