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Table 3 Multivariate analysis of risk factors associated with a positive QFT

From: Screening for latent tuberculosis in Norwegian health care workers: high frequency of discordant tuberculin skin test positive and interferon-gamma release assay negative results

 

Univariate (N = 13)

Multivariate (N = 13)

Characteristics

OR (95% CI)

P-value

OR (95% CI)

P-value

Female

3.54 (1.12, 11.21)

.031

2.59 (0.76, 8.86)

.131

Age

1.04 (0.99, 1.09)

.141

1.03 (0.98, 1.08)

.259

Origin

9.05 (2.20, 37.16)

.002

14.13 (1.37, 145.38)

.026

Stay in TB endemic country

0.74 (0.22, 2.45)

.681

0.80 (0.31, 2.04)

.632

  1. OR; odds ratio; CI; confidence interval; OR per standard-deviation increase for continuous variables Age; Origin; country of birth, divided into three groups, 1) Norway, 2) other TB low- endemic countries, 3) TB endemic countries; Stay in TB endemic country; stayed and/or worked in TB endemic country (>2 weeks).
  2. Exposure to TB was too unbalanced to produce definite confidence intervals and therefore not reported.
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BMC Public Health

ISSN: 1471-2458

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