Table 1 Characteristics of the observed sample
| Â | 2005 | 2007 | 2009 | p |
|---|---|---|---|---|
N. of workers (% response rate) | 367 (75 %) | 346 (71 %) | 453 (94.2 %) | 92.4 (<.001)2 |
Male workers N (%) | 145 (39.5 %) | 115 (33.2 %) | 127 (28.0 %) | 12.0 (<.002) 2 |
Female workers N (%) | 222 (60.5) | 231 (66.8) | 326 (72.0 %) | Â |
Age, mean+s.d. (years) | 43.6+7.8 | 43.4+ 8.9 | 42.4+ 9.6 | .138 (n.s.)1 |
Physicians, N (%) | 58 (15.8) | 69 (19.9) | 59 (13.0) | 7.01 (<.04) 2 |
Nurses, N (%) | 207(56.4) | 106 (30.6) | 263 (58.1) | 69.5 (<.0001) 2 |
Other3, N (%) | 102 (27.8) | 171 (49.4) | 131 (28.9) | 47.5(<.0001) 2 |
Psychiatry | 28 (7.6) | 40 (11.6) | 42 (9.3) | 17.7 (<.03) 2 |
A & E | 60 (16.3) | 49 (14.2) | 66 (14.6) | Â |
Inpatient wards | 121 (33,0) | 112 (32,4) | 156 (34,4) | Â |
Outpatient | 74 (20,2) | 73 (21,1) | 60 (13,2) | Â |
Laboratory and services | 84 (22,9) | 72 (20,8) | 129 (28,5) | Â |