Table 7: Decomposition of concentration index of incidence of receiving antidiabetic medication among middle-aged and elderly diabetes patients.

UrbanRural
ElasticityConcentration indexContributionPercentage contribution (%)ElasticityConcentration indexContributionPercentage contribution (%)

Gender (ref. female)−1.55220.0039−0.0061−5.27−0.26100.0145−0.0038−1.85
Age (ref. ≤ 55)
 56–65−0.0895−0.01680.00151.310.2074−0.0434−0.0090−4.46
 >65−0.2097−0.06570.013812.010.05590.16250.00914.45
Ethnic group (ref. Han)−0.2837−0.01810.00514.47−1.4342−0.02730.039219.18
Marital status (ref. divorced/single)0.65660.02420.015913.840.55340.01730.01188.49.
Education level (ref. less than primary school)
 Less than lower secondary0.0158−0.0324−0.0005−0.450.0762−0.0747−0.0057−2.79
 Upper secondary & vocational training0.14790.13690.020217.640.11070.52130.057728.27
Family size (ref. ≤ 2)0.1256−0.1058−0.0133−11.580.25970.17170.044621.84
Household income per capita (log)0.57400.05960.034229.790.94780.07620.072235.39
Type of labour (ref. government & institutions)
 Farmer−0.3084−0.03170.00988.52−0.11970.0849−0.0102−4.98
 Self-employed/employed0.15320.02270.00353.030.44380.00310.00140.67
Never drunk (ref. history of drinking)−0.21350.0098−0.0021−1.820.43190.01100.00482.33
Never smoked (ref. history of smoking)−0.13460.0027−0.0004−0.35−0.19280.0120−0.0023−1.13
ADL (ref. without any ADL)0.1245−0.0213−0.0027−2.310.0582−0.1189−0.0069−3.39
BMI (ref. ≤ 18.5)
 18.6–24.10.00110.11660.00010.110.0474−0.0905−0.0043−2.10
 >24.1−0.0966−0.08050.00786.770.22910.09740.022310.93
Self-reported health status−1.9222−0.01140.021919.09−0.7048−0.01490.01055.15
Having hypertension (ref. no)0.0675−0.0264−0.0018−1.55−0.01250.0255−0.0003−0.16
Total93.25107.35