Table 2—

Results of multiple logistical regression: odds ratio for a positive early secretory antigenic target 6 result in a comparison between the groups of close and occasional contacts

Risk factorOdds ratio95% CIp-value
Stratification (close versus occasional contacts)29.23.5–245.00.002
Age yrs1.10.99–1.20.6#
Origin (East/West Germany)2.20.56–8.50.3#
BCG vaccination0.310.05–1.90.2#
  • CI: confidence interval; BCG: bacille Calmette–Guérin. #: nonsignificant.