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Causes of non-visiting in the 3 surveys (%)
| Year | Felt not severe | Financial difficulties | Unavailable of effective treatments | No time | Traffic inconvenience | Others |
|---|---|---|---|---|---|---|
| 2003 | 52.78 | 29.17 | 12.50 | 0 | 0 | 5.55 |
| 2008 | 46.67 | 26.67 | 26.66 | 0 | 0 | 0 |
| 2011 | 58.54 | 12.20 | 17.07 | 1.22 | 0 | 10.98 |
| χ 2 | 112.04 | |||||
| P value | 0.00 |
