Skip to main content

Table 2 Distribution of cases clustered and non-clustered in our sample according to potential associated factors

From: Migration and tuberculosis transmission in a middle-income country: a cross-sectional study in a central area of São Paulo, Brazil

Characteristics (N)

Clusters (n = 195)

Unique profiles (n = 152)

Univariate logistic regression

 

N (%)

N (%)

Crude OR (95% CI)

p value

Mean Age in years (SD)

35.3 (13.5)

35.6 (13.5)

1.00 (0.98–1.02)

0.868

Sex

 Male

140 (71.8)

110 (72.4)

1.00

 

 Female

55 (28.2)

42 (27.6)

1.03 (0.64–1.65)

0.906

Nationality

 Brazilian

160 (82.1)

106 (69.7)

1.00

 

 South American migrant

35 (17.9)

46 (30.3)

0.50 (0.30–0.83)

0.008

Education in years

 0–3

8 (4.9)

12 (10.0)

1.00

 

 4–7

52 (31.7)

36 (30.0)

2.17 (0.80–5.83)

0.126

 8–11

81 (49.4)

50 (41.7)

2.43 (0.93–6.36)

0.070

 12+

23 (14.0)

22 (18.3)

1.57 (0.54–4.56)

0.409

Worker

 Yes

140 (77.3)

109 (77.3)

1.00

 

 Retired/housewife

12 (6.6)

11 (7.8)

0.85 (0.36–2.00)

0.708

 Unemployed

24 (13.3)

19 (13.5)

0.98 (0.51–1.89)

0.960

 Prisoners

5 (2.8)

2 (1.4)

1.95 (0.37–10.22)

0.431

PTB incidencea in district of residence

  < 40

64 (32.8)

47 (30.9)

1.00

 

 40–80

74 (38.0)

55 (36.2)

0.99 (0.59–1.65)

0.963

  > 80

57 (29.2)

50 (32)

0.84 (0.49–1.43)

0.515

Case type

 New

145 (75.1)

117 (80.1)

1.00

 

 Retreatment/relapse

48 (24.9)

29 (19.9)

1.33 (0.73–2.25)

0.277

Sputum smear

 Negative

46 (24.3)

25 (16.7)

1.00

 

 Positive

143 (75.7)

125 (82.3)

0.62 (0.36–1.07)

0.086

Diagnosis

184 (94.4)

140 (92.7)

1.00

 

 Passive

11 (5.6)

11 (7.3)

0.76 (0.32–1.81)

0.535

 Active case finding

    

Drug resistance

 No

158 (89.8)

122 (85.9)

1.00

 

 Yes

18 (10.2)

20 (14.1)

0.69 (0.35–1.37)

0.294

Treatment outcome

 Cure

128 (70.7)

106 (73.1)

1.00

 

 Loss of follow-up

41 (22.7)

30 (20.7)

1.13 (0.66–1.94)

0.651

 Death/failure

12 (6.6)

9 (6.2)

1.10 (0.45–2.72)

0.829

Household contacts

 0

16 (14.7)

11 (11.5)

1.00

 

 1–2

41 (37.6)

33 (34.4)

0.85 (0.35–2.09)

0.730

 3–4

19 (17.4)

24 (25.0)

0.54 (0.20–1.44)

0.222

 5+

33 (30.3)

28 (29.2)

0.81 (0.32–2.03)

0.653

Treatment delay in weeks

 0–2

12 (16.0)

14 (23.7)

1.00

 

 3–4

24 (32.0)

11 (18.6)

2.55 (0.89–7.27)

0.081

 5–11

15 (20.0)

17 (28.8)

1.03 (0.36–2.91)

0.956

 12 or more

24 (32.0)

17 (28.8)

1.65 (0.62–4.43)

0.323

Alcohol abuse

 No

166 (85.1)

131 (86.2)

1.00

 

 Yes

30 (14.9)

21 (13.8)

1.09 (0.59–2.00)

0.781

Drug use

 No

154 (79.0)

135 (88.8)

1.00

 

 Yes

41 (21.0)

17 (11.2)

2.11 (1.15–3.89)

0.016

TB/HIV co-infection

 No

126 (70.8)

106 (79.1)

1.00

 

 Yes

52 (29.2)

28 (20.9)

1.56 (0.92–2.65)

0.097

Diabetes

 No

189 (96.9)

143 (94,1)

1.00

 

 Yes

6 (3.1)

9 (5.9)

0.50 (0.18–1.45)

0.204

  1. The percentage in brackets is calculated based on non-missing data. The difference between the total number of Brazilians, South American migrants or Total and each variable category corresponds to missing data
  2. aIncidence per 100,000 person years