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Table 1 Descriptive statistics of the study participants

From: Health-related quality of life in men and women who experienced cardiovascular diseases: Tehran Lipid and Glucose Study

  Total (n = 7009) Men (n = 3232) Women (n = 3777) Values* P value
Age (year) 46.8 ± 14.6 46.9 ± 15.3 46.7 ± 13.9 0.59a 0.558
Marital status
 Single/divorced/widowed 1570 (22.4) 665 (20.6) 905 (24.0) 11.5b < 0.001
 Married 5439 (77.6) 2567 (79.4) 2872 (76.0)   
Level of education
 Primary 1692 (24.1) 635 (19.6) 1057 (28.0) 70.2b < 0.001
 Secondary 2837 (40.5) 1349 (41.7) 1488 (39.4)   
 Higher 2480 (35.4) 1248 (38.6) 1232 (32.6)   
Job status
 Unemployed/student/housewife 2887 (41.2) 218 (6.7) 2669 (70.7) 3005.4b < 0.001
 Unemployed, but had other sources of income 978 (14.0) 603 (18.7) 375 (9.9)   
 Employed 3144 (44.9) 2411 (74.6) 733 (19.4)   
Physical activity
 Low 2256 (32.2) 1213 (37.5) 1043 (27.6) 352.2b < 0.001
 Moderate 3520 (50.2) 1246 (38.6) 2274 (60.2)   
 High 1233 (17.6) 773 (23.9) 460 (12.2)   
Smoking
 Yes 1563 (22.3) 1360 (42.1) 203 (5.4) 1354.2b < 0.001
 No 5446 (77.7) 1872 (57.9) 3574 (94.6)   
Cardio-metabolic risk factors
 Body mass index (kg/m2) 28.1 ± 4.9 27.5 ± 4.4 28.4 ± 5.3 − 9.10a < 0.001
 Fasting blood sugar 98.8 ± 28.3 100.5 ± 28.9 97.3 ± 27.6 4.78a < 0.001
 Total cholesterol 186.1 ± 39.3 183.5 ± 38.7 188.4 ± 39.6 − 5.21a < 0.001
 HDL 47.1 ± 11.2 42.6 ± 9.6 50.8 ± 11.0 − 33.2a < 0.001
 Triglyceride 123 (86.0–175.0) 135 (95.0–192.0) 114 (80.0–160.0) − 13.6c < 0.001
 Systolic blood pressure 114.7 ± 16.5 118.4 ± 15.3 111.5 ± 16.9 18.1a < 0.001
 Diastolic blood pressure 76.1 ± 9.8 78.5 ± 9.6 74.0 ± 9.5 19.1a < 0.001
Body weight status
 Normal weight 1918 (27.4) 913 (28.2) 1005 (26.6) 100.9b < 0.001
 Overweight 2979 (42.5) 1531 (47.4) 1448 (38.3)   
 Obese 2112 (30.1) 788 (24.4) 1324 (35.1)   
Diabetes (yes) 1048 (15.0) 474 (14.7) 574 (15.2) 0.39b 0.534
Hypertension (yes) 1577 (22.5) 769 (23.8) 808 (21.4) 5.76b 0.016
CVD (yes) 457 (6.5) 292 (9.0) 165 (4.4) 62.2b < 0.001
Chronic kidney diseases (yes) 1630 (23.3) 502 (15.5) 1128 (29.9) 200.5b < 0.001
Cancer (yes) 88 (1.3) 34 (1.1) 54 (1.4) 2.0b 0.157
  1. Data are reported as mean ± SD for normal continuous variables and medians (Q1–Q3) for skewed variables. n (%) were reported for categorical variables. *Values are t-value (a), χ2 (b) and z value (c)