Table 2.

Chi-squared test: group vs. age and locality.

Group	Age Group-1	Age Group-2	Age Group-3	Locality	Locality	Total
	(≤55 Year)	(≥56 < 70 Year)	(≥70 Year)	(Rural)	(Urban)
Frequency Control	111	102	37	97	153	250
Row Percent	44.4 *	40.8		14.8	38.8	61.2 **
Frequency AD	0	16	84	54	46	100
Row Percent	0	16	84 *	54 **	46
Frequency T2DM	200	150	50	158	242	450
Row Percent	50 *	37.5		12.5	39.5	60.5 **
Frequency T2DM	0	3	17	9	11	20
Row Percent + AD	0	15		85 *	45	55 **
Frequency TOTAL	311	271	188	318	452	820

* Group vs. age group chi-squared test p-value: <0.0001; ** group vs. locality chi-squared test p-value: 0.047.