Age Group (Years)

<20

21 - 30

31 - 40

41 - 50

51 - 60

61 & above

DED Yes

10

40

60

50

30

10

200

No

90

160

130

110

40

0

530

100

200

190

160

70

10

730

Pearson Chi Square = 58.493; p = 0.000; df = 5