Table 5. Multivariate analysis of the percentage of per capita medical expense (as of per capita total expense).

	Overall	Inpatient	Outpatient	Self-treatment
Household characteristics
Household size	0.935(0.731)	1.008(0.968)	1.207(0.381)	0.867(0.478)
Presence of members <18	1.192(0.702)	1.809(0.227)	0.593(0.301)	1.297(0.580)
Presence of members >60	1.177(0.743)	1.069(0.900)	0.878(0.811)	1.100(0.851)
Per capita income (1K RMB)	0.962(0.008)	0.994(0.700)	0.977(0.146)	0.978(0.123)
Household head characteristics
Age	1.061(0.003)	1.043(0.041)	1.026(0.232)	1.023(0.252)
Gender (baseline: male)	1.778(0.156)	0.466(0.077)	2.821(0.020)	1.609(0.252)
Marital status (baseline: married)SingleDivorced or widowed	0.689(0.664)0.547(0.253)	1.161(0.871)1.648(0.374)	0.507(0.471)0.625(0.417)	0.768(0.764)1.234(0.697)
Occupation (baseline: farmer)UnemployedOther*	1.359(0.769)1.127(0.721)	0.475(0.505)1.860(0.082)	3.939(0.234)0.520(0.075)	2.150(0.476)1.517(0.224)
Education (baseline: no school)Elementary schoolMiddle schoolHigh school and higher	1.746(0.162)1.468(0.404)2.381(0.165)	3.432(0.004)2.127(0.125)1.678(0.437)	1.860(0.157)1.180(0.743)1.184(0.806)	1.071(0.867)0.733(0.510)2.074(0.256)

In each cell, odds ratio (p-value). Other occupation includes: government, student, self-employed, public or private company and others.