Table 2.
Characteristics of the study population, TRACTOR project, France, 2002–2016.
| Main characteristics | FM without depression (n = 1,004,054) |
FM with depression (n = 84,507) |
|---|---|---|
| n (%) | n (%) | |
| Sex | ||
| Female | 300,218 (30) | 37,045 (44) |
| Male | 703,836 (70) | 47,462 (56) |
| Age (years) | ||
| Mean (SD) | 46.4 (14.2) | 49.1 (13.4) |
| Family status | ||
| Single | 438,382 (44) | 30,628 (36) |
| As a couple | 565,672 (56) | 53,879 (64) |
| First year of the farm's establishment | ||
| Median (IQR) | 1994 (17) | 1992 (14) |
| Farm surface (expressed in hectares) | ||
| Median (IQR) | 15.7 (4.4) | 25.1 (5.5) |
| Farm location (region) | ||
| Auvergne-Rhône-Alpes | 108,850 (10.8) | 8578 (10.2) |
| Bourgogne-Franche-Comté | 60,456 (6.0) | 5408 (6.4) |
| Bretagne | 74,719 (7.4) | 6583 (7.8) |
| Centre - Val de Loire | 45,569 (4.5) | 4265 (5.1) |
| Corse | 4949 (0.5) | 377 (0.4) |
| Grand Est | 75,520 (7.5) | 6234 (7.4) |
| Hauts-de-France | 44,472 (4.4) | 3926 (4.7) |
| Île-de-France | 12,955 (1.3) | 1129 (1.3) |
| Normandie | 73,899 (7.4) | 6739 (8.0) |
| Nouvelle-Aquitaine | 165,248 (16.5) | 15,135 (17.9) |
| Occitanie | 155,051 (15.4) | 11,774 (13.9) |
| Provence-Alpes-Côte d'Azur | 105,964 (10.6) | 8089 (9.6) |
| Pays de la Loire | 76,402 (7.6) | 6270 (7.4) |
| Number of farms | ||
| 1 farm/>1 farm | 980,011 (98)/24,043 (2) | 82,099 (97)/2408 (3) |
| Farm type (farm clustering) | ||
| Individual farm | 700,989 (70) | 55,599 (66) |
| Farm with work partners | 303,065 (30) | 28,908 (34) |
| Partner work status | ||
| Do not perform task to help farm manager | 887,853 (88) | 72,457 (86) |
| Perform task to help farm manager | 116,201 (12) | 12,050 (14) |
| Number of associates | ||
| 0/≥ 1 | 774,790 (77)/229,264 (23) | 61,442 (73)/23,065 (27) |
| Secondary activity | ||
| No secondary activity | 616,535 (61) | 70,055 (83) |
| At least one secondary activity | 387,519 (39) | 14,452 (17) |
| Lack of job security | ||
| Has never been unemployed during the observation period | 1,002,149 (99.8) | 84,294 (99.7) |
| Has been unemployed during the observation period | 1905 (0.2) | 213 (0.3) |
| Median yearly insurance premium (euros) | ||
| Median (IQR) | 5064 (9987) | 6126 (10,612) |
| Employees | ||
| No employee | 733,262 (73) | 56,882 (67) |
| At least one employee | 270,792 (27) | 27,625 (33) |
| Specialist consult | ||
| No | 347,962 (35) | 0 (0) |
| Yes | 656,092 (65) | 84,507 (100) |
| GP consult | ||
| No | 362,178 (36) | 222 (0.3) |
| Yes | 641,876 (64) | 84,285 (99.7) |
| Pre-existing disability | ||
| Did not become disabled before the disease of interest declaration | 1,000,549 (99.6) | 83,593 (99) |
| Became disabled before the disease of interest declaration | 3505 (0.3) | 914 (1) |
| Number of pre-existing comorbidities (LTI) | ||
| 0 comorbidity before the disease of interest declaration | 761,360 (76) | 48,685 (58) |
| 1 comorbidity before the disease of interest declaration | 123,556 (12) | 16,347 (19) |
| >1 comorbidity before the disease of interest declaration | 119,138 (12) | 19,475 (23) |
Note: FM: farm manager, GP: general practitioner, IQR: interquartile range, LTI: long-term illness, SD: arithmetic standard deviation.