|
Division of income groups |
|||||
| Lowest |
Lower |
Middle |
Higher |
Highest |
|
|
|
|||||
| 1998 |
less than ¥2040 |
¥2040–¥2999 |
¥3000–¥4169 |
¥4170–¥5999 |
more than 6000 |
| 2003 |
less than ¥2640 |
¥2640–¥4011) |
¥4012–¥6059) |
¥6060–¥9035 |
more than 9036 |
Xu et al. BMC Health Services Research 2007 7:37 doi:10.1186/1472-6963-7-37 |
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