Table 1 Characteristics of the study population
From: Neurological symptoms among dental assistants: a cross-sectional study
| Â | Dental assistants (n = 41) | Assistant nurses (n = 64) | p-value |
|---|---|---|---|
| Â | Mean (SD) range | Mean (SD) range | Â |
Age | 57.8 (6.7) 37–67 | 52.5 (8.3) 36–67 | 0.001* |
Years at this particular work | 29.7 (8.2) 11–42 | 17.5 (11.8) 1–40 | 0.001* |
Alcohol units in a month | 4.8 (3.8) 0–15 | 2.6 (3.0) 0–12 | 0.010* |
Cigarettes smoked daily | 3.7 (5.6) 0–20 | 7.2 (6.3) 0–20 | 0.004* |
| Â | No (percent) | No (percent) | Â |
Educational level | Â | Â | Â |
- Only primary school | 32 (79) | 45 (70) | 0.079** |
- Primary school and college | 9 (21) | 16 (25) | Â |
- University | 0 | 3 (5) | Â |
Present smokers | 7 (17) | 32 (50) | 0.001** |
Years at this particular work | Â | Â | Â |
-<10 | 0 | 20 (34) | Â |
11–20 | 8 (18) | 17 (26) |  |
21–30 | 13 (32) | 18 (27) |  |
>30 | 20 (50) | 7(13) | Â |