Variables

Number of Bedbugs

P-value

Total

Presence

Absence

Educational status

Illiterate

18

10

08

Read and write

29

22

07

χ2 = 26.01

1 - 5th grade

39

23

16

df = 5

6 - 10th grade

55

33

22

P = 0.0001*

11 - 12th grade

36

25

11

12+

83

76

07

Monthly income [Ethiopian Birr (1 USD = 18.78 Eth Birr)]

<500

57

44

13

501 - 1000

70

36

34

1001 - 1500

55

34

21

1501 - 2000

37

43

03

χ2 = 42.1

2001 - 2500

31

31

00

df = 6

2501 - 3000

05

05

00

P = 0.0001*

>3000

05

05

00