Table 2 Characteristics of respondents and non-respondents
| Â | Respondents (%) | Non-respondents (%) | chi2 | p-value |
|---|---|---|---|---|
Sex | Â | Â | Â | Â |
Female | 65/239 (27) | 84/222 (38) | 5.4813 | 0.019 |
Male | 174/239 (73) | 138/222 (62) | Â | Â |
Work place | Â | Â | Â | Â |
Practice | 102/239 (44) | 94/222 (42) | 6.1877 | 0.045 |
Hospital | 109/239 (47) | 123/222 (55) | Â | Â |
University Hospital | 23/239 (10) | 10/222 (5) | Â | Â |
Other | 5/239 (2) | 0 | Â | Â |
Size of the city (work place) | Â | Â | Â | Â |
<20,000 | 49/239 (21) | 66/222 (30) | 21.040 | <0.001 |
20,000–100,000 | 92/239 (38) | 43/222 (19) |  |  |
100,000–250,000 | 39/239 (16) | 41/222 (18) |  |  |
>250,000 | 59/239 (25) | 72/222 (32) | Â | Â |
Zip code * | Â | Â | Â | Â |
1 | 72/237 (30) | 67/222 (30) | 0.2586 | 0.88 |
2 | 68/237 (29) | 69/222 (31) | Â | Â |
3 | 97/237 (41) | 88/222 (40) | Â | Â |