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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).