Table 1.
General characteristics of the study population by sex
| Characteristics | Men (N = 388) | Women (N = 491) | P a |
|---|---|---|---|
| Age, y | 49 (38; 59) | 49 (40; 59) | 0.43 |
| Smoking, % | |||
| Never | 32.9 | 50.1 | <0.01 |
| Former | 44.0 | 27.7 | |
| Current | 23.1 | 21.2 | |
| Education, % | 0.05 | ||
| <10 y | 9.5 | 11.8 | |
| 10 y | 53.6 | 59.1 | |
| >10 y | 36.9 | 29.1 | |
| Alcohol consumption, g/d | 8.55 (2.98; 17.96) | 2.25 (0.71; 5.52) | <0.01 |
| BMI, kg/m2 | 27.3 (25; 29.8) | 25.9 (23; 29.3) | <0.01 |
| Ferritin, µg/L | 1.48 (0.84; 2.45) | 0.58 (0.27; 1.01) | <0.01 |
| Transferrin, g/L | 2.5 (2.2; 2.7) | 2.6 (2.3; 2.9) | <0.01 |
| White blood cell count, Gpt/L | 5.27 (4.58; 6.21) | 5.49 (4.78; 6.45) | 0.04 |
| eGFR, mL/min/1.73 m2 | 118 (109; 125) | 113 (105; 121) | <0.01 |
| HDL‐cholesterol, mmol/L | 1.28 (1.11; 1.47) | 1.58 (1.35; 1.83) | <0.01 |
| LDL‐cholesterol, mmol/L | 3.4 (2.77; 4.01) | 3.35 (2.76; 4) | 0.71 |
| Erythrocyte count, Gpt/L | 4.9 (4.6; 5.1) | 4.4 (4.2; 4.7) | <0.01 |
| Haemoglobin, mmol/L | 9.15 (8.8; 9.5) | 8.3 (7.9; 8.6) | <0.01 |
| Haematocrit | 0.44 (0.42; 0.45) | 0.40 (0.38; 0.42) | <0.01 |
| MCV, fL | 90 (87; 92) | 90 (88; 93) | 0.03 |
| MCH, fmol | 1.88 (1.83; 1.94) | 1.86 (1.81; 1.92) | <0.01 |
| MCHC, mmol/L | 21 (20.6; 21.3) | 20.6 (20.3; 20.9) | <0.01 |
| RDW, % | 13 (12.6; 13.4) | 13.1 (12.6; 13.6) | 0.03 |
| PLT, Gpt/L | 208 (183; 236) | 234 (204; 272) | <0.01 |
| MPV, fL | 10.2 (9.7; 10.8) | 10.3 (9.7; 10.9) | 0.59 |
Data are expressed as median (25th; 75th percentile). To convert haematocrit to %‐values multiply by 100.
Abbreviations: ALT, alanine aminotransferase; BMI, body‐mass‐index; eGFR, estimated glomerular filtration rate; HDL, High‐density lipoprotein; LDL, Low‐density lipoprotein.
a
Wilcoxon‐rank‐sum test for continuous and chi‐squared test for categorical data was used for comparison.