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Table 4 Ordinal regression analysis of PTST- vs TSTC and TSTC vs TST+

From: Clinical and epidemiological characteristics of individuals resistant to M. tuberculosis infection in a longitudinal TB household contact study in Kampala, Uganda

 

Univariate model

Multivariable model

Predictor

OR

95% CI

P

OR

95% CI

P

Intercept 1

—

—

 

0.146

(0.090, 0.24)

 

Intercept 2

—

—

 

0.400

(0.25, 0.65)

 

Age 2–5 vs 0-2

1.43

(0.88, 2.32)

0.15

1.34

(0.82, 2.20)

0.24

Age 5–15 vs. 0-2

1.24

(0.82, 1.89)

0.31

1.04

(0.68, 1.60)

0.85

Age 15+ vs 0-2

0.553

(0.37, 0.84)

< 0.01

0.431

(0.28, 0.66)

< 0.01

No. of Windows

1.145

(1.09, 1.21)

< 0.01

1.097

(1.02, 1.18)

< 0.01

Sleep in Same Room

0.559

(0.43, 0.72)

< 0.01

0.66

(0.48, 0.89)

< 0.01

People in Home

1.070

(1.04, 1.10)

< 0.01

1.033

(1.00, 1.07)

< 0.01

  1. PTST- = Persistently negative tuberculin skin test; TSTC = Tuberculin skin test converter; TST + = tuberculin skin test positive at baseline; CI = confidence interval. Univariate model results show results for each variable one at a time, while the multivariable model includes all variables. Model parameterized as logit(Pr(y ≤ j)) = α + β x for j = 1 (PTST-), 2 (TSTC). Each OR shows the odds or PTST vs TSTC and also TSTC vs TST + .