Multinomial logistic regression for the association with frequency of CHS utilization among CHS users.

*P**P***P§The odds ratios of age represent the change in the odds when the variable age is increased by ten years;†The difference between the odd ratios of making 3–5 CHS visits in 2008 and 2011 was significant;‡The difference between the odd ratios of making ≥6 visits in 2008 and 2011 was significant;µThe difference between the odd ratios of making 3–5 CHS visits in 2009 and 2011 was significant;#The difference between the odd ratios of making ≥6 visits in 2009 and 2011 was significant.CHS = community health service, GMI = Government Medical Insurance, UEBMI = Urban Employee Basic Medical Insurance, URBMI = Urban Resident Basic Medical Insurance, LMI = Labor Medical Insurance, NCMS = New Cooperative Medical Scheme, CMI = Commercial Medical Insurance