Table 1.
Characteristics of the 100,432 individuals with a new diagnosis of depression and the 65,436 of those individuals who claimed an antidepressant in the 365 days after diagnosisa.
| Characteristics | Individuals with new diagnosis of depression | Individuals with new diagnosis of depression who claimed an antidepressant |
|---|---|---|
| Sociodemographic characteristics | ||
| Sex | ||
| Female | 65,440 (65.2) | 44,254 (67.6) |
| Male | 34,992 (34.8) | 21,182 (32.4) |
| Age at diagnosis | ||
| 18-24 years | 7258 (7.2) | 4397 (6.7) |
| 25-34 years | 15,380 (15.3) | 9315 (14.2) |
| 35-44 years | 19,282 (19.2) | 12,110 (18.5) |
| 45-54 years | 16,646 (16.6) | 10,780 (16.5) |
| 55-64 years | 12,958 (12.9) | 8756 (13.4) |
| 65-74 years | 16,007 (15.9) | 11,024 (16.9) |
| ≥75 years | 12,901 (12.9) | 9054 (13.8) |
| Mean (SD) | 50.9 (18.5) | 51.9 (18.5) |
| Residency area at diagnosis of depression | ||
| Montreal Census Metropolitan area | 46,975 (46.8) | 28,389 (43.4) |
| Other Metropolitan Census areas (>100,000 inhabitants) | 18,397 (18.3) | 12,470 (19.1) |
| Agglomerations of 10,000-100,000 inhabitants | 12,304 (12.2) | 8509 (13.0) |
| Small towns and rural areas (<10,000 inhabitants) | 21,750 (21.7) | 15,461 (23.6) |
| Not available | 1006 (1.0) | 607 (0.9) |
| Guaranteed income supplement (GIS) | ||
| No | 60,077 (59.8) | 39,447 (60.3) |
| Partial | 12,677 (12.6) | 8939 (13.7) |
| Maximum | 27,678 (27.6) | 17,050 (26.0) |
| Deprivation level—material | ||
| Quintile 1 | 14,760 (14.7) | 9086 (13.9) |
| Quintile 2 | 16,192 (16.1) | 10,308 (15.8) |
| Quintile 3 | 19,078 (19.0) | 12,563 (19.2) |
| Quintile 4 | 21,836 (21.8) | 14,408 (22.0) |
| Quintile 5 | 24,427 (24.3) | 16,451 (25.1) |
| Missing | 4139 (4.1) | 2620 (4.0) |
| Deprivation level—social | ||
| Quintile 1 | 14,107 (14.0) | 9555 (14.6) |
| Quintile 2 | 15,738 (15.7) | 10,711 (16.4) |
| Quintile 3 | 17,372 (17.3) | 11,521 (17.6) |
| Quintile 4 | 21,439 (21.4) | 13,725 (21.0) |
| Quintile 5 | 27,637 (27.5) | 17,304 (26.4) |
| Missing | 4139 (4.1) | 2620 (4.0) |
| Medical and treatment characteristics | ||
| Specialty of physician who made the diagnosis | ||
| General practitioner | 78,676 (78.3) | 55,354 (84.6) |
| Psychiatrist | 13,983 (13.9) | 5853 (8.9) |
| Other or not available | 7773 (7.8) | 4229 (6.5) |
| Specialty of physician who prescribed the initial antidepressant | ||
| General practitioner | N/A | 55,797 (85.3) |
| Psychiatrist | N/A | 7104 (10.8) |
| Other or not available | N/A | 2535 (3.9) |
| Therapeutic scheme at antidepressant initiation | ||
| Monotherapy | N/A | 58,448 (89.3) |
| Polytherapy | N/A | 6988 (10.7) |
N/A = not applicable.
aValues are expressed as n (%) except for the mean (SD) of age.