TABLE 3.

Univariate and Multivariate Analysis of Risk Factors for LTBI in Children Who Were Born in Mexico (N = 195)

VariableTST+ (N = 60)Unadjusted OR (95% CI)
Female26/98 (27%)Reference
Male34/97 (35%)1.5 (0.78–2.89)
Median age6 y *
No BCG1/5 (20%) Reference
Received BCG58/187 (31%) 1.8 (0.18–43.2)
No family travel44/158 (28%)Reference
Family travel16/37 (43%)1.97 (0.89–4.4)
No visitors to US39/135 (29%)Reference
Visitors to US21/60 (35%)1.33 (0.66–2.7)
No child travel43/156 (27%)Reference
Child travel17/39 (44%)2.03 (0.93–4.45)
Median years since BCG7
Median years lived in Mexico3.75 §
  • — indicates analysis not performed.

  • * P > .05, Mann Whitney U test compared with median age of 6 years in the TST group.

  • The parents of 1 child who was born in Mexico with a positive TST reported “don't know” to the question regarding receipt of BCG.

  • P > .05, Mann Whitney U test compared with median years since BCG of 5 in the TST group.

  • § P > .05, Mann Whitney U test compared with median years lived in Mexico of 3.75 in the TST group.