Table 1.

Demographic characteristics of diabetes cases and controls according to Registered Indian status

	Diabetes Cases		Controls
	Registered Indian	General Population	Registered Indian	General Population
N (%)	5,284 (11.3)	41,630 (88.7)	11,692 (10.6)	98,680 (89.4)
Age – Mean (S.D.) years	45.7 (14.5)A,B	58.4 (16.4)C	24.3 (15.0)	37.4 (20.6)
Sex – n (%) Male	2,234 (42.3)A,B	22,131 (53.2)C	5,912 (50.6)	48,623 (49.3)
Residence – n (%) Rural	3,645 (69.0)A,B	19,203 (46.1)C	6,980 (59.7)	42,847 (43.4)

A p < 0.001 for comparisons between Registered Indian and general populations cases

B p < 0.001 for comparisons between Registered Indians cases and controls

C p < 0.001 for comparisons between the general population cases and controls