Individual characteristics by sex (n=41 854)
| Individual characteristics, n (%) | Men (n=20 234) | Women (n=21 620) |
| Sociodemographic and socioeconomic factors | ||
| Age (years)* | 57.5 (51.5–63.5) | 57.0 (51–63) |
| Education level | ||
| No diploma or certificate of primary education | 1787 (8.8) | 2137 (9.9) |
| Secondary education | 5076 (25.1) | 3855 (17.8) |
| High school graduation | 3086 (15.3) | 3986 (18.4) |
| Up to 2 years of university education | 5681 (28.1) | 8281 (38.3) |
| Master degree or more | 4604 (22.8) | 3361 (15.6) |
| Civil status | ||
| Single | 2329 (11.5) | 2842 (13.2) |
| Married | 15 051 (74.4) | 14 128 (65.4) |
| Divorced or separated | 2539 (12.6) | 3660 (16.9) |
| Widowed | 315 (1.6) | 990 (4.6) |
| Income <€2100 | 2459 (12.2) | 3822 (17.7) |
| Retired | 7592 (37.5) | 7293 (33.7) |
| Occupation (PCS) (n=29 447) | ||
| Farmer or craftsman | 560 (2.8) | 338 (1.6) |
| Executive, intellectual profession | 8129 (41.2) | 4968 (23.7) |
| Middle-level profession | 5763 (29.2) | 7382 (35.2) |
| Employee | 1902 (9.7) | 6694 (31.9) |
| Blue-collar worker | 2499 (12.7) | 644 (3.1) |
| Never worked or other | 636 (3.1) | 727 (3.4) |
| Lifestyle and health factors | ||
| Alcohol | ||
| Abstinent | 248 (1.2) | 752 (3.5) |
| No abuse or dependence | 15 517 (76.7) | 18 229 (84.3) |
| Abuse | 3475 (17.2) | 2223 (10.3) |
| Dependence | 994 (4.9) | 416 (1.9) |
| Smoking status | ||
| Never | 7783 (38.5) | 10 909 (50.5) |
| Current | 2587 (12.8) | 2827 (13.1) |
| Past | 9864 (48.8) | 7884 (36.5) |
| BMI (kg/m2) | ||
| Underweight (<18.5) | 1132 (5.6) | 1673 (7.7) |
| Normal (18.5–<25) | 7441 (36.8) | 11 876 (54.9) |
| Overweight (≥25–30) | 8856 (43.8) | 5499 (25.4) |
| Obese (>30) | 2805 (13.9) | 2572 (11.9) |
| Hypertension | 9559 (47.2) | 6651 (30.8) |
| Diabetes | 832 (4.1) | 368 (1.7) |
| History of vascular disease | 2251 (11.1) | 1588 (7.4) |
| History of respiratory disease | 2744 (13.6) | 2668 (12.3) |
| Depressive syndrome | 2661 (13.2) | 5127 (23.7) |
| Working conditions | ||
| Night-shift work | 4659 (23.0) | 3259 (15.1) |
| Repetitive work | 1393 (6.9) | 1390 (6.4) |
| Noisy work | 7263 (35.9) | 4342 (20.8) |
| Cognitive performances * | ||
| MMSE (0–30)† | 29 (28–29) | 29 (28–30) |
| FCRST (0–48)† | 32 (28–35) | 34 (31–38) |
| Semantic VFT (words in 1 min)† | 23 (20–28) | 24 (20–28) |
| Phonemic VFT (words in 1 min)† | 15 (12–18) | 16 (13–19) |
| TMT-A (max 180 s)† | 31 (25–39) | 31 (25–38) |
| TMT-B (max 180 s)† | 60 (48–77) | 58 (47–72) |
| DSST score (0–135)† | 64 (56–74) | 70 (61–79) |
*Median (IQR).
†Theoretical range.
BMI, body mass index; DSST, Digit Symbol Substitution Test; FCRST, Free and Cued Selective Reminding Test; MMSE, Mini Mental State Examination; PCS, French nomenclature of occupations and socio-professional categories; TMT, Trail Making Test; VFT, Verbal Fluency Tasks.