Skip to main content

Table 2 Multivariate logistic regression analysis of risk factors associated with clustering

From: Conventional and molecular epidemiology of Tuberculosis in Manitoba

Characteristic

Incidence

Clustered

Non-Clustered (unique)

Odds Ratio

p value

 

(person-year/100 000)

n = 426 (%)

n = 203 (%)

(95%) CI

 

Sex

     

Female

8.4

167 (39.2)

102 (50.2)

1 (reference)

 

Male

10.1

259 (60.8)

101 (49.8)

1.959 (1.306–2.938)

0.0011

Age *

     

0 to 14

3.1

18 (4.2)

4 (2.0)

2.55 (0.74–8.88)

0.1401

15 to 24

5.8

51 (12.0)

17 (8.4)

2.53 (1.20–5.34)

0.0151

25 to 44

10.4

170 (39.9)

47 (23.1)

3.26 (1.92–5.54)

0.0000

45 to 64

10.7

102 (23.9)

48 (23.6)

1.47 (0.87–2.50)

0.1523

65 +

18.4

85 (20.0)

87 (42.9)

1

 

Origin

     

Canadian-Born (non-treaty)

3.3

97 (22.8)

60 (29.6)

1

 

Canadian-Born (treaty)

48.4

254 (59.6)

27 (13.3)

4.108 (2.163–7.803)

0.0000

Foreign-Born

20.0

75 (17.6)

116 (57.1)

0.248 (0.149–0.412)

0.0000

Residence

     

Winnipeg

9.7

235 (55.1)

153 (75.4)

1

 

other urban

4.1

14 (3.3)

11 (5.4)

0.490 (0.195–1.230)

0.1289

reserves

33.7

148 (34.7)

15 (7.4)

1.206 (0.546–2.665)

0.6433

other rural

9.2

29 (6.9)

24 (11.8)

0.410 (0.203–0.830)

0.0132

  1. * age overall effect, χ2 test = 21.83 with 4 different factors, p < 0.001 origin overall effect, χ2 test = 81.54 with 2 different factors, p < 0.001 residence overall effect, χ2 test = 9.26 with 3 different factors, p < 0.05