Table 4 Beta and exponentiated coefficients estimated using Lognormal AFT model for patients with TB (n = 2742).

From: Survival analysis shows tuberculosis patients with silicosis experience earlier mortality and need employer-led care models in occupational settings in India

Covariate

β coefficients (95% CI)

Exponentiated coefficient (95% CI)

p-value*

Silico-tuberculosis

-1.03 (-1.76 - -0.305)

0.36 (0.17–0.74)

0.005

Age (in years)

-0.0473 (-0.0600 - -0.0346)

0.95 (0.94–0.97)

< 0.001

Male gender

-0.496 (-0.910 - -0.0813)

0.61 (0.40–0.92)

0.019

HIV positive

-1.25 (-2.47 - -0.0382)

0.29 (0.08–0.96)

0.043

Previously treated for TB

-0.527 (-0.948 - -0.106)

0.59 (0.39–0.90)

0.014

Log(scale)

1.09

2.97

< 0.001

  1. *Lognormal accelerated failure time model. AFT: accelerated failure time model; HIV: human immunodeficiency virus; TB: tuberculosis.
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