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) | – |