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Table 3 Factors associated with completion of at least 6 months of isoniazid treatment

From: House calls by community health workers and public health nurses to improve adherence to isoniazid monotherapy for latent tuberculosis infection: a retrospective study

Risk factor ORa 95% CL AORb 95% CL ARRc 95% CLd
Home follow-upe 3.27 2.62 4.09 2.94 2.33 3.71 1.21 1.18 1.24
9 months of isoniazid 1.50 1.29 1.74 0.88 0.73 1.05 0.97 0.92 1.01
Female 1.04 0.89 1.21       
Age categories:          
   Age<6 6.80 4.11 11.25 5.40 3.19 9.13 1.07 1.06 1.08
   Age 6 to <18 2.71 2.23 3.30 2.64 2.10 3.32 1.11 1.09 1.12
   Age 18 to <35 ref    ref    ref   
   Age 35 and older 1.21 1.00 1.45 1.18 0.96 1.44 1.05 0.99 1.10
Patient referral reason:          
   Correctional/rehabilitation 0.23 0.18 0.31 0.43 0.32 0.57 0.59 0.47 0.71
   TST converters/TB contactsf 1.30 0.99 1.70 1.23 0.93 1.63 1.04 0.98 1.10
   Postpartum women 0.44 0.33 0.59 0.64 0.47 0.87 0.80 0.67 0.94
   TST+g from screening ref    ref    ref   
Place of birth:          
   Africa 1.34 0.72 2.50 1.29 0.67 2.49 1.07 0.87 1.21
   Asia 1.60 1.21 2.13 1.62 1.18 2.22 1.09 1.03 1.14
   Europe 1.83 1.03 3.25 1.93 1.06 3.53 1.10 1.01 1.16
   Latin America 1.17 0.91 1.52 1.25 0.93 1.67 1.06 0.98 1.13
   Unknown 0.95 0.62 1.45 1.06 0.67 1.68 1.02 0.87 1.14
   USA ref    ref    ref   
  1. aAnalysis by logistic regression.
  2. bAdjusted OR. Multivariate model included: type of follow-up, regimen, age (categories), patient referral reason, and place of birth.
  3. cAdjusted Risk Ratio, calculated from adjusted OR.
  4. dAdjusted Risk Ratio 95% confidence limits, calculated from adjusted OR.
  5. eHome-based follow-up with public health nurses and community health workers.
  6. fTuberculin skin test converters or contacts of cases with active tuberculosis.
  7. gTST+: Tuberculin skin test positive.