Skip to main content

Table 3 Risk ratios for non-completion of treatment among patients starting treatment for latent tuberculosis infection. Risk ratios marked with an asterisk (*) are statistically significant. CI = confidence interval

From: The latent tuberculosis infection cascade of care in Iqaluit, Nunavut, 2012–2016

Potential Risk factor Non-completers/ category total (%) Unadjusted risk ratio (95% CI) Adjusted risk ratiob (95% CI), n = 208 patientsa
Age, years (per 5-year increase) 1.10 (1.03–1.17)* 1.13 (1.04–1.22)*
Sex
 Male 25/124 (20.2%) Reference Reference
 Female 23/110 (20.9%) 1.04 (0.63–1.72) 1.19 (0.71–1.99)
Ethnicity
 Inuit 39/193 (20.2%) Reference Reference
 Non-Inuit 8/27 (29.6%) 1.47 (0.77–2.80) 0.84 (0.41–1.73)
Indication for TST
 Tuberculosis exposure 29/133 (21.8%) Reference Reference
 Employment screening 8/23 (34.8%) 1.60 (0.84–3.04) 1.44 (0.75–2.75)
 School screening 1/14 (7.1%) 0.33 (0.05–2.23) 0.68 (0.10–4.57)
 Self or physician referral 9/51 (17.6%) 0.81 (0.41–1.59) 0.73 (0.38–1.43)
Year of assessment
 2012 20/98 (20.4%) Reference
 2013 7/46 (15.2%) 0.75 (0.34–1.64)
 2014 12/56 (21.4%) 1.05 (0.56–1.98)
 2015 6/21 (28.6%) 1.40 (0.64–3.06)
 2016 2/9 (22.2%) 1.09 (0.30–3.93)
  1. aAmong the 246 patients who started treatment, complete data were available for 208. Data were missing regarding ethnicity in 15 (6.1%), year of assessment in 16 (6.5%), indication for TST in 14 (5.7%) and treatment completion in 12 (3.7%)
  2. bModel included age, sex, ethnicity and indication for TST