Table 2 Characteristics of the population at different time points (NEMESIS-1)
|  | T0n (n = 7076) | T1n (n = 5618) | T2n (n = 4848) |
|---|---|---|---|
| Â | n (%) | n (%) | n (%) |
Sex (male) | 3299 (46.63) | 2611 (46.48) | 2255 (46.51) |
Agea | 41.16 (12.19) | 42.09 (11.94) | 44.19 (11.90) |
Diagnostic categoriesb | Â | Â | Â |
  Anxiety disordersc | 1423 (20.11) | 430 (7.65) | 332 (6.85) |
  Dysthymia | 498 (7.04) | 110 (1.96) | 71 (1.46) |
  Major depression | 1164 (16.45) | 314 (5.59) | 306 (6.31) |
  Manic episode | 293 (4.14) | 84 (1.50) | 48 (0.99) |
  Psychosisd | 295 (4.17) | 72 (1.28) | 45 (0.93) |
Environmental load | Â | Â | Â |
  Zero | 3171 (44.82) | 2623 (46.69) | 2285 (47.13) |
  One | 2640 (37.31) | 2173 (38.68) | 1886 (38.90) |
  Two | 961 (13.58) | 670 (11.93) | 553 (11.41) |
  Three or more | 303 (4.28) | 152 (2.71) | 124 (2.56) |