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Table 3 Multiple linear regression of the demographics, occupational factors and tuberculin skin test

From: Prevalence and risk factors for latent tuberculosis infection among healthcare workers in Nampula Central Hospital, Mozambique

  Coefficient β 95% CIa p-value
Age (years) −0.05 −0.16; 0.11 0.712
Sex
 Male - - -
 Female 0.00 −1.48; 1.56 0.962
Administrative control measures 0.16 −0.15; 2.86 0.077
Perceived health status 0.07 −0.80; 1.92 0.415
Contact with TB patients at workplace 0.03 −1.22; 1.74 0.727
Immunosuppression −0.06 −2.44; 1.27 0.533
People living at same house (> 6) 0.07 −0.83; 1.88 0.443
Contact with TB at home −0.03 −1.80; 1.31 0.761
Working time (years) −0.02 −0.01; 0.01 0.874
Employment setting
 Administrative - - -
 Medical domain 0.08 −1.95; 3.15 0.644
 Surgical domain 0.06 2.22; 3.19 0.722
BCG vaccination −0.02 −1.62; 1.34 0.851
Current smoking (yes) 0.02 −3.07; 3.66 0.863
Occupational category
 Administrative - - -
 Orderly −0.02 −2.50; 2.20 0.900
 Nurse −0. 06 −3.02; 2.01 0.694
Co-worker TB positive −0.03 −2.08; 1.40 0.701
  1. aConfidence Interval (CI)