Variable

Number

Frequency of PE (%)

p-value

Age class

≤25

26 - 35

36 - 45

46 - 55

56 - 65

2

26

25

11

5

1 (50.0)

6 (23.1)

9 (36.0)

2 (18.2)

1 (20.0)

0.703

Educational status

Primary

Secondary

Tertiary

Postgraduate

9

14

44

2

3 (33.3)

1 (7.1)

14 (31.8)

1 (50.0)

0.330

Occupational status

Artisan

Petty trader

Civil servant

Business

Private sector

Retiree

10

5

34

3

15

2

2 (20.0)

1 (14.3)

10 (29.4)

1 (33.3)

5 (35.7)

1 (50.0)

0.849

Monthly income

≤20,000

20,001 - 50,000

50,001 - 100,000

100,001 - 150,000

150,001 - 200,000

30

11

14

6

5

10 (33.3)

5 (45.5)

7 (50.0)

2 (33.3)

1 (20.0)

0.114

Smoking history

Yes

No

14

55

4 (28.6)

15 (27.3)

0.582

Alcohol history

Yes

No

35

34

11 (31.4)

8 (23.5)

0.322

Coffee history

Yes

No

15

54

6 (40.0)

13 (24.1)

0.184

Cola nut history

Yes

No

11

58

3 (27.3)

16 (27.6)

0.648

Frequency of SI (per month)

<3 times

4 - 8 times

9 - 12 times

>12 times

20

27

11

11

4 (20.0)

9 (33.3)

3 (27.3)

2 (18.2)

< 0.001