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Table 2 Bi-variable and multivariable ordinary logistic regression analysis of sputum smear grading among bacteriological confirmed pulmonary DR-TB patients (N = 520)

From: Sputum smear grading and associated factors among bacteriologically confirmed pulmonary drug-resistant tuberculosis patients in Ethiopia

Variables

Categories

Frequency (%)

Smear grading of DR-TB

COR (95%CI)

AOR (95%CI)

   

0

1–9

1+

2+

3+

  

Sex

Male

296 (56.92)

40

53

56

44

103

1

 
 

Female

224 (43.08)

45

26

39

38

76

0.93 (0.68, 1.27)

 

Age in year

= < 24

162 (31.15)

30

26

36

20

50

1

1

 

25–44

271 (52.12)

38

42

41

50

100

1.39 (0.98, 1.96)

1.27 (0.87, 1.95)

 

> = 45

87 (16.73)

17

11

18

12

29

1.10 (0.69, 1.75)

1.01 (0.56, 1.83)

Residence

Urban

276 (53.18)

47

40

50

45

94

1

 
 

Rural

243 (46.82)

38

39

44

37

85

1.03 (0.75, 1.39)

 

Educational status

No formal education

232 (44.82)

45

33

39

34

81

0.57 (0.34, 0.94)

0.49 (0.23, 1.03)

Primary

138 (26.74)

21

19

32

20

46

0.59 (0.35, 1.02)

0.51 (0.25, 1.05)

Secondary

82 (15.89)

11

20

15

16

20

0.47 (0.26, 0.84)

0.43 (0.21, 0.89)

Certificate and above

64 (12.40)

8

6

9

11

30

1

1

Occupation

Employed

55 (10.68)

9

5

8

10

23

1

1

Private business

313 (60.78)

51

48

55

45

114

0.77 (0.46, 1.30)

1.40 (0.65, 3.03)

Unemployed

147 (28.54)

25

26

29

27

40

0.61 (0.35, 1.07)

1.08 (0.49, 2.35)

Marital status

Married

250 (48.36)

43

36

42

46

83

1

 

Never Married

179 (34.62)

28

26

39

26

60

1.00 (0.71, 1.40)

 

Divorced/widowed/Separated

88 (17.02)

14

17

14

10

33

1.01 (0.65, 1.57)

 

Housing condition

Homeless

26 (5.79)

5

7

4

3

7

0.62 (0.31, 1.27)

0.48 (0.22, 1.04)

Has home

423 (94.21)

62

65

86

68

142

1

1

Has treatment supporter

Yes

454 (88.16)

77

68

85

72

152

1

1

No

61 (11.84)

7

9

9

10

26

1.45 (0.89, 2.36)

1.27 (0.75, 2.14)

History of Cigarette smoking

Yes

73 (14.04)

7

12

7

14

33

1.71 (1.09, 2.70)

1.45 (0.77, 2.73)

No

447 (85.96)

78

67

88

68

146

1

1

History of alcohol drinking

Yes

83 (16.02)

7

19

14

13

30

1.16 (0.77, 1.76)

 

No

435 (83.98)

78

60

81

68

148

1

 

History of khat Chewing

Yes

39 (7.53)

3

7

3

6

20

2.01 (1.08, 3.71)

1.62 (0.67, 3.90)

No

479 (92.47)

82

72

92

75

158

1

1

Comorbid disease

Yes

78 (15.00)

10

12

10

16

30

1.31 (0.85, 2.02)

 

No

442 (85.00)

75

67

85

66

149

1

 

Body mass index (kg/m2)

< 16

217 (42.14)

42

32

32

31

80

1.29 (0.87, 1.92)

1.46 (0.94, 2.25)

16–18.49

171 (33.20)

17

22

37

33

62

1.65 (1.10, 2.48)

1.81 (1.16, 2.84)

> = 18.5

127 (24.66)

24

25

24

17

37

1

1

Number of TB Treatmant history

Less than two

249 (47.88)

51

44

42

33

79

1

1

Two and more

271 (52.12)

34

35

53

49

100

1.51 (1.11, 2.05)

1.78 (1.24, 2.55)

  1. Test of parallel lines (logit): Chi-Square = 45.667 p-value = 0.322, Goodness of fit in the Chi-Square test: Pearson (p-value = 0.582) and Deviance (p-value = 0.990), and Model information (pseudo R2): p-value = 0.0266