Table 1.
General characteristics of the individuals included in the analysis
| Characteristic | Analytic sample (n = 3611) |
|---|---|
| Age in years (%) | |
| 18-24 | 208 (5.8) |
| 25-34 | 702 (19.4) |
| 35-44 | 799 (22.3) |
| 45-54 | 733 (20.5) |
| 55-64 | 586 (16.4) |
| 65 < | 550 (15.4) |
| Missing | 33 |
| Gender | |
| Male (%) | 1580 (44.1) |
| Female (%) | 2002 (55.9) |
| Missing | 29 |
| Ethnicity | |
| Native (%) | 2860 (79.7) |
| Non-native (%) | 730 (20.3) |
| Missing | 21 |
| Education* | |
| Lower (%) | 581 (16.6) |
| Middle (%) | 1292 (36.9) |
| Higher (%) | 1629 (46.5) |
| Missing | 109 |
| Occupational status | |
| > 20 hours per week (%) | 2045 (56.6) |
| < 20 hours per week (%) | 256 (7.1) |
| Unemployment/Retirement (%) | 635 (17.6) |
| Work incapacity (%) | 143 (4) |
| Students/Housewives | 532 (14.7) |
| Missing | 0 |
| Type of residency | |
| Separate (detached) house/Villa | 235 (6.8) |
| Semi-detached house | 900 (26) |
| Townhouse/Terraced house/Unit or flat with own Entrance | 1341 (38.7) |
| Unit or flat (with shared entrance or front door at walkway - covered/non-covered) | 988 (28.5) |
| Missing | 147 |
| Home ownership status | |
| Owned (%) | 2195 (61.2) |
| Rented (%) | 1391 (38.8) |
| Missing | 25 |
| Perceived proximity (subjects answering "yes") | |
| Base Stations (%) (total missing: 111) | 1197 (34.2) |
| Powerlines (%) (total missing: 103) | 523 (14.9) |
| Mean (SD) | |
| Actual distance to BS (in metres) | 347.3 (259.9) |
| Actual distance to powerlines (in metres) | 2381 (1508.5) |
| Non-specific physical symptoms | 6.1 (5.43) |
| Missing | 28 |
*Note: Higher: scientific education; Middle: professional education; Lower: lower than professional