Table 2: Prevalence of self-reported diabetes and concentration index among middle-aged and elderly adults.

TotalUrban areasRural areas value
MeanSDMeanSDMeanSD

Poorest0.04930.00580.13890.01540.03720.0056.014
Poorer0.06400.00690.12930.02030.05680.0070.048
Middle0.08680.00700.10960.04250.04930.0073.024
Richer0.08730.00730.08250.01880.08920.0063.000
Richest0.08900.00960.09280.03320.08270.0077.000
Total0.08440.00370.11850.01030.06770.0033.000
Concentration index0.1217−0.10490.1604‚ÄČ

Notes: . Calculations were weighted using individual sampling weights and adjusted for household and individual responses.