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Table 6 Analysis of epidemiologic risk factors for S. aureus and MRSA nasal carriage among primary school children, Jimma town, 2011

From: Prevalence and antibiotic susceptibility pattern of methicillin-resistant Staphylococcus aureus (MRSA) among primary school children and prisoners in Jimma Town, Southwest Ethiopia

Risk factors

Staphylococcus

P-value

Methicillin resistance S.aureus

P-value

S.aureus

CONS

Positive

Negative

NO.

%

NO.

%

NO.

%

NO.

%

Age

5-10

86

59.7

63

39.4

0.001

21

77.8

65

55.6

0.049

11-15

58

40.3

97

60.6

6

22.2

52

44.4

Sex

Female

73

50.7

83

51.9

0.909

23

85.2

50

42.7

0.000

Male

71

49.3

77

48.1

4

14.8

67

57.3

Hospitalization in the past 1 years

Present

9

6.3

8

5.0

0.803

4

14.8

5

4.3

0.041

Absent

135

93.8

152

95.0

23

85.2

112

95.7

Antibiotic usage in the past 4 weeks

Present

29

20.1

21

13.1

0.121

7

25.9

22

18.8

0.429

Absent

115

79.9

139

86.9

20

74.1

95

81.2

Ways of antibiotic usage

Completely Used

20

69.0

13

65.0

1.00

5

71.4

15

68.2

1.00

Not-Completely Used

9

31.0

7

35.0

2

28.6

7

31.8

Present presence of respiratory infection

Present

15

10.4

16

10.0

1.00

5

18.5

10

8.5

0.159

Absent

129

89.6

144

90.0

22

81.5

107

91.5

Number of family members

2-4

46

31.9

55

34.4

0.868

9

33.3

37

31.6

1.00

5-6

70

48.6

73

45.6

13

48.1

57

48.7

>6

28

19.4

32

20.0

5

18.5

23

19.7

Presence of health institution worker in the family

Present

17

11.8

10

6.3

0.107

2

7.4

15

12.8

0.531

Absent

127

88.2

150

93.8

25

92.6

102

87.2

Family member hospitalization in the past 1 years

Present

18

12.5

14

8.8

0.289

8

29.6

10

8.5

0.007

Absent

126

87.5

146

91.3

19

70.4

107

91.5

Number of children in class room

21-40

29

20.1

57

35.6

0.000

5

18.5

24

20.5

0.016

41-60

70

48.6

64

40.0

8

29.6

62

53.0

>60

45

31.3

39

24.4

14

51.9

31

26.5

  1. Where: CONS Coagulase-negative Staphylococcus, MRSA Methicillin Resistance S.aureus.