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Table 3 Association between a positive tuberculin skin testing response and potential independent variables

From: Latent tuberculosis infection and associated risk factors among undergraduate healthcare students in Italy: a cross-sectional study

Immunological assay

Univariate analysis

Adjusted analysis

OR

p-value (95% CI)

OR

p-value (95% CI)

Tuberculin skin testing

Increasing age, year

1.09

0.10 (0.98–1.21)

1.10

0.09 (0.99–1.22)

Male

0.69

0.60 (0.18–2.71)

0.66

0.56 (0.17–2.61)

Migrant

12.36

<0.001 (3.34–45.7)

16.05

<0.001 (3.63–70.91)

Born in a high TB incidence country*

59.58

<0.001 (14.06–252.58)

102.80

<0.001 (18.09–584.04)

BCG immunization

6.58

0.09 (0.77–56.14)

6.72

0.08 (0.78–57.69)

  1. OR Odds Ratio.
  2. CI Confidence Intervals.
  3. BCG Bacille Calmette-Guérin.
  4. *High Incidence: ≥20 cases per 100,000 population (according to reference 23).