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Table 3 Associations between the outcome of treatment non-completion and the variables treatment support, origin, age and sex (n = 726)

From: Treatment completion for latent tuberculosis infection in Norway: a prospective cohort study

Covariates Univariable Multivariable
n c OR p a OR SE p 95% CI
Origin
 Foreign-born 595 1 (ref)   1(ref)    
 Norwegian-born 131 2.1 0.016 0.8 0.342 0.602 0.34–1.84
Age group
< 35 561 1 (ref)   1 (ref)    
 > 35 years 165 1.9 0.026 1.7 0.521 0.093 0.92–3.09
Sex
 Female 299 1 (ref)   1 (ref)    
 Male 427 0.5 0.017 0.6 0.093 0.106 0.36–1.10
Treatment support. Model with interaction term for origin: LRT p-value of interaction term = 0.049
Effect of treatment support on treatment completion in foreign-born (multivariate wald p-value 0.017)
Self-administereda 174 1 (ref)   1 (ref)    
DOT dailyb 151 0.2 0.005 0.3 0.150 0.017 0.10–0.80
DOT weeklyc 261 0.4 0.009 0.4 0.162 0.027 0.22–0.91
Effect of treatment support on treatment completion in Norwegian-born (multivariate wald p-value 0.468)
Self-administereda 80 1 (ref)   1 (ref)    
DOT dailyb 28 1.7 0.374 2.1 1.332 0.229 0.62–7.26
DOT weeklyc 19 0.9 0.928 1.0 0.868 0.961 0.20–5.34
  1. OR Odds ratio, SE standard error, DOT Direct Observed Treatment for part of or the full treatment period
  2. aSelf-administered include those who managed their treatment themselves or were given weekly pill boxes
  3. bdaily DOT: those who were administered daily treatment under direct observation
  4. cweekly DOT: those who were administered weekly rifapentine and isoniazid under direct observation