From: Use of the out-of-hours emergency dental service at two south-east London hospitals
 | March 2006 | October 2006 | Total | P-Values | |||
---|---|---|---|---|---|---|---|
 | N | % | N | % | N | % |  |
Every 3 or more years/only when need to/never | 432 | 49 | 238 | 50 | 670 | 48 | 0.37 |
Every 2 years | 51 | 6 | 33 | 7 | 84 | 6 | Â |
Once a year | 138 | 16 | 85 | 18 | 223 | 16 | Â |
Every 6 months | 221 | 25 | 103 | 22 | 324 | 24 | Â |
More often than every 6 months | 41 | 5 | 20 | 4 | 61 | 4 | Â |