Use of and factors associated with self-treatment in China

BMC Public Health

Table 3 The proportion of respondents using self-treatment in different economic categories, by year (%)

Variables	1993	1998	2003	2008	χ ²
Insurance:
Without any health insurance	16.0	25.3	33.9	35.9	7200.0**
Other medical insurance	12.9	24.6	32.0	32.4	251.7**
Rural cooperative medical scheme	15.0	18.5	29.0	25.4	13000.0**
Urban basic medical insurance	33.4	44.3	47.7	27.6	301.6**
Free medical insurance	30.5	41.9	49.5	22.8	1300.0**
χ ²	1000.0**	907.9**	367.2**	191.7**
Shortest distances from residence to medical institutions:
≤1 km	21.0	29.7	38.1	27.3	275.7**
>1 km	17.8	25.1	31.0	26.6	275.7**
χ ²	38.2**	66.3**	135.2**	2.2
Annual per capita income^a:
Low	17.5	21.9	30.6	23.8	2900.0**
Middle	19.9	30.3	37.9	27.1	241.2**
High	4.5	39.3	44.2	27.7	3300.0**
χ ²	15.3**	655.1**	350.0**	22.4**
TV:
No	NA	21.3	29.0	27.2	340.9**
Yes	NA	29.7	36.9	27.1	340.9**
χ ²		148.7**	90.7**	0.01
Sanitary water:
No	14.3	20.6	29.5	24.6	27.5**
Yes	27.7	36.7	41.8	29.0	27.5**
χ ²	833.9**	1000.0**	460.9**	80.0**
Family poverty:
No	NA	28.2	36.0	26.9	191.4**
Yes	NA	31.3	31.2	28.6	191.4**
χ ²		10.6**	15.2**	4.5*

^a Annual per capita income discounted by CPI inflation in 1993, 1998 and 2003, and divided into low, middle, and high tertiles. NA: no data available.
*Significant at 5%. **Significant at 1%.

ISSN: 1471-2458