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Table 2 Univariate analyses of factors associated with loss to follow-up

From: Risk factors associated with loss to follow-up from tuberculosis treatment in Tajikistan: a case-control study

Factors

Loss to follow-up

Successful Treated

Crude Odds Ratio

CI (95%)

N

Column %

N

Column %

  

Totals

300

 

592

   

Sex

 Males

202

67.3

316

53.4

1.78

1.33–2.40

 Females

98

32.7

276

46.6

ref

 

Age group

 0–18

19

6.3

83

14.0

0.36

0.21–0.62

 19–40

202

67.3

316

53.4

ref

 

 41–60

57

19.0

136

23.0

0.68

0.47–0.97

 >60

21

7.0

57

9.6

0.55

0.32–0.95

 Unknown

1

0.3

    

Place of Living

 Rural

236

78.7

455

76.9

ref

 

 Urban

56

18.7

132

22.3

0.59

0.29–1.20

 Unknown

8

2.7

5

0.8

  

Baseline smear result

 Baseline smear negative

112

37.2

212

35.8

ref

 

 Baseline smear positive

140

46.7

229

38.7

1.15

0.83–1.59

 Baseline smear not done

48

16.1

150

25.3

0.57

0.37–0.86

 Unknown

  

1

0.2

  

Location of TB

 PTB

253

84.3

434

73.3

ref

 

 EPTB

47

15.7

158

26.7

0.49

0.34–0.72

Patient category

 New

211

70.3

495

83.6

Ref

 

 Previously treated

40

13.3

34

5.7

2.86

1.70–4.82

 Transferred in

2

0.7

4

0.7

1.39

0.20–9.48

 Other

47

15.7

58

9.8

1.96

1.27–3.02

 Unknown

  

1

0.2

  

Pregnancy

 Pregnancy no

75

25.0

202

34.1

ref

 

 Pregnancy yes

3

1.0

2

0.3

65.3

0 - >100

 Pregnancy na.

217

72.3

371

62.7

  

 Unknown

5

1.7

17

2.5

  

Side effects

 Side effects no

237

79.0

520

87.8

ref

 

 Side effects yes

26

8.7

19

3.2

3.22

1.64–6.33

 Unknown

37

12.3

53

9.0

  

Moved within country

 Moved no

264

88.0

570

96.3

ref

 

 Moved yes

26

8.7

7

1.2

10.7

4.08–28.1

 Unknown

10

3.3

15

2.5

  

Seasonal work

 Seasonal work no

283

94.3

568

95.9

ref

 

 Seasonal work yes

6

2.0

11

1.9

1.02

0.36–2.90

 Unknown

11

3,7

13

2.1

  

Migration other country

 Migration no

167

55.7

534

90.2

ref

 

 Migration yes

123

41.0

44

7.4

9.70

6.06–15.5

 Unknown

10

3.3

14

2.4

  

Imprisonment ever

 Imprisonment no/unknown

292

96.8

585

98.8

ref

 

 Imprisonment yes

8

3.2

7

1.2

2.19

0.74–6.46

Alcoholism

 Alcoholism no

247

82.3

540

91.2

ref

 

 Alcoholism yes

13

4.4

14

2.4

1.87

0.82–4.28

 Unknown

40

13.3

38

6.4

  

Drug abuse

 Drug abuse no

253

84.3

551

93.1

ref

 

 Drug abuse yes

6

2.0

3

0.5

5.21

1.02–26.6

 Unknown

41

13.7

38

6.4

  

Employment

 Unemployed

237

79.0

364

61.5

ref

 

 Working

17

5.7

39

6.6

0.68

0.36–1.27

 Student

6

2

23

3.9

0.40

0.16–1.05

 Pensioner

18

6.0

55

9.3

0.51

0.27–0.93

 Not applicable

17

5.7

73

12.3

  

 Unknown

5

1.7

38

6.4

  

Education

 Middle school

249

83.0

432

73.0

ref

 

 College

4

1.3

19

3.2

0.51

0.16–1.58

 University

8

2.7

16

2.7

0.84

0.35–2.04

 Still studying

11

3.7

45

7.6

0.45

0.23–0.89

 No degree

11

3.7

30

5.1

0.57

0.26–1.24

 Unknown

17

5.6

50

8.4

  

Homelessness

 Homelessness no

281

93.7

575

97.1

ref

 

 Homelessness yes

15

5.0

15

2.5

2.63

1.19–5.82

 Unknown

4

1.3

2

0.3

  

Hospitalization

 ambulatory

146

48.7

292

49.3

ref

 

 hospital

152

50.7

296

50.0

1.07

0.78–1.47

 Different country

1

0.3

3

0.5

0.75

0.08–7.23

 Prison hospital

1

0.3

1

0.2

2.58

0.16–42.3

  1. Ref = reference category